带有中断的16位I2C总线和SMBus I/O端口 | NXP 半导体

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带有中断的16位I2C总线和SMBus I/O端口

PCA9555 正常供应

PCA9555是一款24引脚CMOS器件，为I²C总线/SMBus应用提供16位通用并行输入/输出(GPIO)扩展且开发用于增强NXP Semiconductors系列的I²C总线I/O扩展器。改进内容包括更高的驱动能力、5 V I/O容限、更低的供电电流、独立的I/O配置和更小的封装。ACPI电源开关、传感器、按钮、LED、风扇等需要额外的I/O时，I/O扩展器提供简易的解决方案。

PCA9555由两个8位配置（输入或输出选择）、输入、输出和极性反转（高电平有效或低电平有效操作）寄存器组成。系统主器件可通过写入I/O配置位将I/O用作输入或输出。每个输入或输出的数据保留在对应的输入或输出寄存器中。通过极性反转寄存器可反转读取寄存器的极性。系统主器件可读取所有寄存器。虽然引脚对引脚和I²C总线地址都兼容PCF8575，但是因增强功能而需要软件更改，这在应用注意事项AN469中讨论。

当任何输入状态与其对应的输入端口寄存器状态不同时，会激活PCA9555开漏中断输出并用于通知系统主器件输入状态已改变。上电复位会将寄存器设为其默认值并初始化器件状态机。

三个硬件引脚(A0、A1、A2)会改变固定I²C总线地址，因而允许最多八个器件共享相同的I²C总线/SMBus。PCA9555的固定I²C总线地址与PCA9554相同，允许最多八个这些器件以任意组合方式共享相同的I²C总线/SMBus。

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产品详情

框图

Block diagram: PCA9555BS, PCA9555D, PCA9555DB, PCA9555HF, PCA9555N, PCA9555PW

获取框图PDF

特征

  • 2.3 V至5.5 V的工作电源电压范围
  • 5 V耐受I/O
  • 极性反转寄存器
  • 低电平有效的中断输出
  • 低待机电流
  • SCL/SDA输入上有噪音滤波器
  • 上电时没有脉冲干扰
  • 内部上电复位
  • 默认为16个输入的16个I/O引脚
  • 0 Hz至400 kHz时钟频率
  • ESD保护：按JESD22-A114超过2000 V HBM，按JESD22-A115超过200 V MM，按JESD22-C101超过1000 V CDM
  • 已按照JEDEC标准JESD78完成闭锁测试，超过100 mA
  • 提供六种封装：DIP24、SO24、SSOP24、TSSOP24、HVQFN24和HWQFN24

购买/参数

4 结果

包含 1 不推荐用于新设计

部件

展开描述

订购

计算机辅助设计模型

No of bits

VDD [min]

VDD [max]

Over volt tolerant

No of supplies

Standby current [typ] (µA)

Max Sink Current per bit (mA)

Max Sink Current, per package (mA)

Source Current per bit (mA)

Interrupt output pin

Output mode

Input mode: invert option

Internal pull-up resistor per bit (kOhm)

I2C-bus (kHz)

Footprint body and leads

封装类型

Operating Temperature (°C)

No of Addresses

PCA9555BS
数据手册

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

16.81

HVQFN24

-40~85

8

PCA9555D
数据手册

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

166.14

SO24

-40~85

8

PCA9555DB
数据手册

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

66.36

SSOP24

-40~85

8

PCA9555PW
数据手册

16

2.3

5.5

Y

1

0.25

25

200

10

Y

Totem pole

Y

100

400

52.14

TSSOP24

-40~85

8

N true 0 PSPPCA9555zh 21 包装信息 Packing Information t935 5 培训资料 Training Presentation t878 1 封装信息 Package Information t790 5 应用笔记 Application Note t789 4 手册 Brochure t518 2 支持信息 Supporting Information t531 2 数据手册 Data Sheet t520 1 用户指南 User Guide t792 1 zh 0 false zh zh 数据手册 Data Sheet 1 1 10 English The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. 1442050943969706504162 PSP 264.8 KB None None documents None 1442050943969706504162 /docs/en/data-sheet/PCA9555.pdf 264812 /docs/en/data-sheet/PCA9555.pdf PCA9555 documents N N 2016-10-08 16-bit I2C-bus and SMBus I/O port with interrupt /docs/en/data-sheet/PCA9555.pdf /docs/en/data-sheet/PCA9555.pdf Data Sheet N 980000996212993340 2022-12-07 pdf N en Nov 8, 2017 980000996212993340 Data Sheet Y N 16-bit I2C-bus and SMBus I/O port with interrupt PDF 应用笔记 Application Note 4 2 1.0 English 1442088353543707144903 PSP 92.3 KB Registration without Disclaimer None documents Extended 1442088353543707144903 /secured/assets/documents/en/application-note/AN256.pdf 92326 /secured/assets/documents/en/application-note/AN256.pdf AN256 documents Y N 2016-07-11 AN256: PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus /webapp/Download?colCode=AN256&lang_cd=zh /secured/assets/documents/en/application-note/AN256.pdf Application Note N 645036621402383989 2024-10-21 pdf Y en Mar 23, 2009 645036621402383989 Application Note Y N AN256: PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus 3 2.0 English 1442088835091717295604 PSP 301.0 KB None None documents None 1442088835091717295604 /docs/en/application-note/AN469.pdf 300951 /docs/en/application-note/AN469.pdf AN469 documents N N 2011-06-30 AN469 /docs/en/application-note/AN469.pdf /docs/en/application-note/AN469.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jan 20, 2005 645036621402383989 Application Note Y N AN469 4 1.0 English 1442087184034730625246 PSP 401.2 KB None None documents None 1442087184034730625246 /docs/en/application-note/AN10315.pdf 401240 /docs/en/application-note/AN10315.pdf AN10315 documents N N 2016-07-11 AN10315 /docs/en/application-note/AN10315.pdf /docs/en/application-note/AN10315.pdf Application Note N 645036621402383989 2024-10-21 pdf N en Jan 11, 2005 645036621402383989 Application Note Y N AN10315 5 2.0 English 1442089481077718749151 PSP 2.3 MB None None documents None 1442089481077718749151 /docs/en/application-note/AN10146.pdf 2284625 /docs/en/application-note/AN10146.pdf AN10146 documents N N 2011-06-30 AN10146 /docs/en/application-note/AN10146.pdf /docs/en/application-note/AN10146.pdf Application Note N 645036621402383989 2024-10-21 pdf N en Feb 26, 2003 645036621402383989 Application Note Y N AN10146 用户指南 User Guide 1 6 6.0 Japanese 1442125286808710770774ja PSP 751.0 KB None None documents None 1442125286808710770774 /docs/ja/user-guide/UM10204.pdf 750958 /docs/ja/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/ja/user-guide/UM10204.pdf /docs/ja/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 ja Apr 28, 2014 132339537837198660 User Guide Y N I2C-bus specification and user manual 7.0 English NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. 1442125286808710770774 PSP 751.0 KB None None documents None 1442125286808710770774 /docs/en/user-guide/UM10204.pdf 750958 /docs/en/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf /docs/en/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 pdf N en Oct 1, 2021 132339537837198660 User Guide Y N I2C-bus specification and user manual 手册 Brochure 2 7 1.0 English 1442048645899722467409 PSP 326.5 KB None None documents None 1442048645899722467409 /docs/en/brochure/75016535.pdf 326544 /docs/en/brochure/75016535.pdf 75016535 documents N N 2016-07-11 Versatile, easy-to-use GPIO expanders; NXP 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 /docs/en/brochure/75016535.pdf /docs/en/brochure/75016535.pdf Brochure N 712453003803778552 2022-12-07 pdf N en Jul 31, 2008 712453003803778552 Brochure Y N Versatile, easy-to-use GPIO expanders; NXP 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 8 1.0 English 1442048146804718736756 PSP 244.7 KB None None documents None 1442048146804718736756 /docs/en/brochure/75016020.pdf 244737 /docs/en/brochure/75016020.pdf 75016020 documents N N 2013-07-01 Low-power GPIO expanders for portable applications; NXP 8/16-bit I2C/SMBus GPIO expanders PCA9534/35/35C for low-power applications /docs/en/brochure/75016020.pdf /docs/en/brochure/75016020.pdf Brochure N 712453003803778552 2022-12-07 pdf N en Jul 31, 2008 712453003803778552 Brochure Y N Low-power GPIO expanders for portable applications; NXP 8/16-bit I2C/SMBus GPIO expanders PCA9534/35/35C for low-power applications 封装信息 Package Information 5 9 1.1 English 1455079215079728313090 PSP 215.4 KB None None documents None 1455079215079728313090 /docs/en/package-information/SOT994-1.pdf 215444 /docs/en/package-information/SOT994-1.pdf SOT994-1 documents N N 2019-09-26 plastic thermal enhanced very very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.75 mm /docs/en/package-information/SOT994-1.pdf /docs/en/package-information/SOT994-1.pdf Package Information N 302435339416912908 2022-12-07 pdf N en Sep 20, 2019 302435339416912908 Package Information Y N plastic thermal enhanced very very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.75 mm 10 1.0 English 1455079389558702995033 PSP 206.7 KB None None documents None 1455079389558702995033 /docs/en/package-information/SOT616-1.pdf 206724 /docs/en/package-information/SOT616-1.pdf SOT616-1 documents N N 2016-02-12 plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm /docs/en/package-information/SOT616-1.pdf /docs/en/package-information/SOT616-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm 11 1.0 English 1455079690215710569313 PSP 361.8 KB None None documents None 1455079690215710569313 /docs/en/package-information/SOT355-1.pdf 361766 /docs/en/package-information/SOT355-1.pdf SOT355-1 documents N N 2016-02-12 plastic thin shrink small outline package; 24 leads; body width 4.4 mm /docs/en/package-information/SOT355-1.pdf /docs/en/package-information/SOT355-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic thin shrink small outline package; 24 leads; body width 4.4 mm 12 1.0 English 1455078741406708822210 PSP 388.2 KB None None documents None 1455078741406708822210 /docs/en/package-information/SOT137-1.pdf 388157 /docs/en/package-information/SOT137-1.pdf SOT137-1 documents N N 2016-02-12 plastic small outline package; 24 leads; body width 7.5 mm /docs/en/package-information/SOT137-1.pdf /docs/en/package-information/SOT137-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic small outline package; 24 leads; body width 7.5 mm 13 1.0 English 1455078612394724124358 PSP 357.4 KB None None documents None 1455078612394724124358 /docs/en/package-information/SOT340-1.pdf 357358 /docs/en/package-information/SOT340-1.pdf SOT340-1 documents N N 2016-02-12 plastic shrink small outline package; 24 leads; body width 5.3 mm /docs/en/package-information/SOT340-1.pdf /docs/en/package-information/SOT340-1.pdf Package Information N 302435339416912908 2023-06-18 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic shrink small outline package; 24 leads; body width 5.3 mm 包装信息 Packing Information 5 14 1.0 English 1442131202299737057404 PSP 189.8 KB None None documents None 1442131202299737057404 /docs/en/packing/SOT616-1_128.pdf 189786 /docs/en/packing/SOT616-1_128.pdf SOT616-1_128 documents N N 2014-07-16 HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128 /docs/en/packing/SOT616-1_128.pdf /docs/en/packing/SOT616-1_128.pdf Packing Information N 145666923842250347 2022-12-07 pdf N en Jul 16, 2014 145666923842250347 Packing Information Y N HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128 15 1.0 English 1442131573152735317266 PSP 200.6 KB None None documents None 1442131573152735317266 /docs/en/packing/SOT616-1_118.pdf 200576 /docs/en/packing/SOT616-1_118.pdf SOT616-1_118 documents N N 2014-01-16 HVQFN24; reel pack; standard product orientation; 12NC ending 118 /docs/en/packing/SOT616-1_118.pdf /docs/en/packing/SOT616-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Jan 16, 2014 145666923842250347 Packing Information Y N HVQFN24; reel pack; standard product orientation; 12NC ending 118 16 4.1 English 1442131174599718070838 PSP 232.1 KB None None documents None 1442131174599718070838 /docs/en/packing/SOT355-1_118.pdf 232140 /docs/en/packing/SOT355-1_118.pdf SOT355-1_118 documents N N 2013-04-17 TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT355-1_118.pdf /docs/en/packing/SOT355-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Apr 15, 2013 145666923842250347 Packing Information Y N TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 17 4.0 English 1442131585399728249079 PSP 240.7 KB None None documents None 1442131585399728249079 /docs/en/packing/SOT137-1_118.pdf 240736 /docs/en/packing/SOT137-1_118.pdf SOT137-1_118 documents N N 2013-04-17 SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT137-1_118.pdf /docs/en/packing/SOT137-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Apr 12, 2013 145666923842250347 Packing Information Y N SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 18 1.0 English 1442131575840738020167 PSP 235.6 KB None None documents None 1442131575840738020167 /docs/en/packing/SOT340-1_118.pdf 235616 /docs/en/packing/SOT340-1_118.pdf SOT340-1_118 documents N N 2013-04-17 SSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT340-1_118.pdf /docs/en/packing/SOT340-1_118.pdf Packing Information N 145666923842250347 2023-06-19 pdf N en Apr 5, 2013 145666923842250347 Packing Information Y N SSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 培训资料 Training Presentation 1 19 0.1 English DesignCon 2003 TecForum I2C Bus Overview 1463807226428719028720 PSP 4.4 MB None None documents None 1463807226428719028720 /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf 4351144 /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf DESIGN_CON_2003_TECFORUM_I2C_B_1 documents N N 2016-07-13 DesignCon 2003 TecForum I²C-Bus Overview /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf Training Presentation N 501713016990820713 2025-02-04 pdf N en Jan 27, 2003 501713016990820713 Training Presentation Y N DesignCon 2003 TecForum I²C-Bus Overview 支持信息 Supporting Information 2 20 1.0 English Footprint for Wave Soldering 1442126382106720903168 PSP 8.3 KB None None documents None 1442126382106720903168 /docs/en/supporting-information/SO-SOJ-WAVE.pdf 8260 /docs/en/supporting-information/SO-SOJ-WAVE.pdf SO-SOJ-WAVE documents N N 2013-07-15 Footprint for Wave Soldering /docs/en/supporting-information/SO-SOJ-WAVE.pdf /docs/en/supporting-information/SO-SOJ-WAVE.pdf Supporting Information N 371282830530968666 2024-10-21 pdf N en Oct 8, 2009 371282830530968666 Supporting Information Y N Footprint for Wave Soldering 21 1.0 English 1442122474166700526113 PSP 16.4 KB None None documents None 1442122474166700526113 /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf 16447 /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf SSOP-TSSOP-VSO-REFLOW documents N N 2013-07-15 Footprint for reflow soldering /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf Supporting Information N 371282830530968666 2023-08-14 pdf N en Oct 8, 2009 371282830530968666 Supporting Information Y N Footprint for reflow soldering false 0 PCA9555 downloads zh-Hans true 1 Y PSP Y Y 包装信息 5 /docs/en/packing/SOT616-1_128.pdf 2014-07-16 1442131202299737057404 PSP 14 Jul 16, 2014 Packing Information None /docs/en/packing/SOT616-1_128.pdf English documents 189786 None 145666923842250347 2022-12-07 N /docs/en/packing/SOT616-1_128.pdf HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128 /docs/en/packing/SOT616-1_128.pdf documents 145666923842250347 Packing Information N en None Y pdf 1.0 N N HVQFN24; Reel pack; SMD, 13", Q2/T3 Turned product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128 189.8 KB SOT616-1_128 N 1442131202299737057404 /docs/en/packing/SOT616-1_118.pdf 2014-01-16 1442131573152735317266 PSP 15 Jan 16, 2014 Packing Information None /docs/en/packing/SOT616-1_118.pdf English documents 200576 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT616-1_118.pdf HVQFN24; reel pack; standard product orientation; 12NC ending 118 /docs/en/packing/SOT616-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 1.0 N N HVQFN24; reel pack; standard product orientation; 12NC ending 118 200.6 KB SOT616-1_118 N 1442131573152735317266 /docs/en/packing/SOT355-1_118.pdf 2013-04-17 1442131174599718070838 PSP 16 Apr 15, 2013 Packing Information None /docs/en/packing/SOT355-1_118.pdf English documents 232140 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT355-1_118.pdf TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT355-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 4.1 N N TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 232.1 KB SOT355-1_118 N 1442131174599718070838 /docs/en/packing/SOT137-1_118.pdf 2013-04-17 1442131585399728249079 PSP 17 Apr 12, 2013 Packing Information None /docs/en/packing/SOT137-1_118.pdf English documents 240736 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT137-1_118.pdf SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT137-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 4.0 N N SO24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 240.7 KB SOT137-1_118 N 1442131585399728249079 /docs/en/packing/SOT340-1_118.pdf 2013-04-17 1442131575840738020167 PSP 18 Apr 5, 2013 Packing Information None /docs/en/packing/SOT340-1_118.pdf English documents 235616 None 145666923842250347 2023-06-19 N /docs/en/packing/SOT340-1_118.pdf SSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT340-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 1.0 N N SSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 235.6 KB SOT340-1_118 N 1442131575840738020167 培训资料 1 /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf 2016-07-13 1463807226428719028720 PSP 19 Jan 27, 2003 Training Presentation DesignCon 2003 TecForum I2C Bus Overview None /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf English documents 4351144 None 501713016990820713 2025-02-04 N /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf DesignCon 2003 TecForum I²C-Bus Overview /docs/en/supporting-information/design_con_2003_tecforum_i2c_bus_overview.pdf documents 501713016990820713 Training Presentation N en None Y pdf 0.1 N N DesignCon 2003 TecForum I²C-Bus Overview 4.4 MB DESIGN_CON_2003_TECFORUM_I2C_B_1 N 1463807226428719028720 封装信息 5 /docs/en/package-information/SOT994-1.pdf 2019-09-26 1455079215079728313090 PSP 9 Sep 20, 2019 Package Information None /docs/en/package-information/SOT994-1.pdf English documents 215444 None 302435339416912908 2022-12-07 N /docs/en/package-information/SOT994-1.pdf plastic thermal enhanced very very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.75 mm /docs/en/package-information/SOT994-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.1 N N plastic thermal enhanced very very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.75 mm 215.4 KB SOT994-1 N 1455079215079728313090 /docs/en/package-information/SOT616-1.pdf 2016-02-12 1455079389558702995033 PSP 10 Feb 8, 2016 Package Information None /docs/en/package-information/SOT616-1.pdf English documents 206724 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT616-1.pdf plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm /docs/en/package-information/SOT616-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic thermal enhanced very thin quad flat package; no leads; 24 terminals; body 4 x 4 x 0.85 mm 206.7 KB SOT616-1 N 1455079389558702995033 /docs/en/package-information/SOT355-1.pdf 2016-02-12 1455079690215710569313 PSP 11 Feb 8, 2016 Package Information None /docs/en/package-information/SOT355-1.pdf English documents 361766 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT355-1.pdf plastic thin shrink small outline package; 24 leads; body width 4.4 mm /docs/en/package-information/SOT355-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic thin shrink small outline package; 24 leads; body width 4.4 mm 361.8 KB SOT355-1 N 1455079690215710569313 /docs/en/package-information/SOT137-1.pdf 2016-02-12 1455078741406708822210 PSP 12 Feb 8, 2016 Package Information None /docs/en/package-information/SOT137-1.pdf English documents 388157 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT137-1.pdf plastic small outline package; 24 leads; body width 7.5 mm /docs/en/package-information/SOT137-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic small outline package; 24 leads; body width 7.5 mm 388.2 KB SOT137-1 N 1455078741406708822210 /docs/en/package-information/SOT340-1.pdf 2016-02-12 1455078612394724124358 PSP 13 Feb 8, 2016 Package Information None /docs/en/package-information/SOT340-1.pdf English documents 357358 None 302435339416912908 2023-06-18 N /docs/en/package-information/SOT340-1.pdf plastic shrink small outline package; 24 leads; body width 5.3 mm /docs/en/package-information/SOT340-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic shrink small outline package; 24 leads; body width 5.3 mm 357.4 KB SOT340-1 N 1455078612394724124358 应用笔记 4 /secured/assets/documents/en/application-note/AN256.pdf 2016-07-11 1442088353543707144903 PSP 2 Mar 23, 2009 Application Note Registration without Disclaimer /secured/assets/documents/en/application-note/AN256.pdf English documents 92326 None 645036621402383989 2024-10-21 Y /webapp/Download?colCode=AN256&lang_cd=zh AN256: PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus /secured/assets/documents/en/application-note/AN256.pdf documents 645036621402383989 Application Note N en Extended Y pdf 1.0 Y N AN256: PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus 92.3 KB AN256 N 1442088353543707144903 /docs/en/application-note/AN469.pdf 2011-06-30 1442088835091717295604 PSP 3 Jan 20, 2005 Application Note None /docs/en/application-note/AN469.pdf English documents 300951 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN469.pdf AN469 /docs/en/application-note/AN469.pdf documents 645036621402383989 Application Note N en None Y pdf 2.0 N N AN469 301.0 KB AN469 N 1442088835091717295604 /docs/en/application-note/AN10315.pdf 2016-07-11 1442087184034730625246 PSP 4 Jan 11, 2005 Application Note None /docs/en/application-note/AN10315.pdf English documents 401240 None 645036621402383989 2024-10-21 N /docs/en/application-note/AN10315.pdf AN10315 /docs/en/application-note/AN10315.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N N AN10315 401.2 KB AN10315 N 1442087184034730625246 /docs/en/application-note/AN10146.pdf 2011-06-30 1442089481077718749151 PSP 5 Feb 26, 2003 Application Note None /docs/en/application-note/AN10146.pdf English documents 2284625 None 645036621402383989 2024-10-21 N /docs/en/application-note/AN10146.pdf AN10146 /docs/en/application-note/AN10146.pdf documents 645036621402383989 Application Note N en None Y pdf 2.0 N N AN10146 2.3 MB AN10146 N 1442089481077718749151 手册 2 /docs/en/brochure/75016535.pdf 2016-07-11 1442048645899722467409 PSP 7 Jul 31, 2008 Brochure None /docs/en/brochure/75016535.pdf English documents 326544 None 712453003803778552 2022-12-07 N /docs/en/brochure/75016535.pdf Versatile, easy-to-use GPIO expanders; NXP 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 /docs/en/brochure/75016535.pdf documents 712453003803778552 Brochure N en None Y pdf 1.0 N N Versatile, easy-to-use GPIO expanders; NXP 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 326.5 KB 75016535 N 1442048645899722467409 /docs/en/brochure/75016020.pdf 2013-07-01 1442048146804718736756 PSP 8 Jul 31, 2008 Brochure None /docs/en/brochure/75016020.pdf English documents 244737 None 712453003803778552 2022-12-07 N /docs/en/brochure/75016020.pdf Low-power GPIO expanders for portable applications; NXP 8/16-bit I2C/SMBus GPIO expanders PCA9534/35/35C for low-power applications /docs/en/brochure/75016020.pdf documents 712453003803778552 Brochure N en None Y pdf 1.0 N N Low-power GPIO expanders for portable applications; NXP 8/16-bit I2C/SMBus GPIO expanders PCA9534/35/35C for low-power applications 244.7 KB 75016020 N 1442048146804718736756 支持信息 2 /docs/en/supporting-information/SO-SOJ-WAVE.pdf 2013-07-15 1442126382106720903168 PSP 20 Oct 8, 2009 Supporting Information Footprint for Wave Soldering None /docs/en/supporting-information/SO-SOJ-WAVE.pdf English documents 8260 None 371282830530968666 2024-10-21 N /docs/en/supporting-information/SO-SOJ-WAVE.pdf Footprint for Wave Soldering /docs/en/supporting-information/SO-SOJ-WAVE.pdf documents 371282830530968666 Supporting Information N en None Y pdf 1.0 N N Footprint for Wave Soldering 8.3 KB SO-SOJ-WAVE N 1442126382106720903168 /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf 2013-07-15 1442122474166700526113 PSP 21 Oct 8, 2009 Supporting Information None /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf English documents 16447 None 371282830530968666 2023-08-14 N /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf Footprint for reflow soldering /docs/en/supporting-information/SSOP-TSSOP-VSO-REFLOW.pdf documents 371282830530968666 Supporting Information N en None Y pdf 1.0 N N Footprint for reflow soldering 16.4 KB SSOP-TSSOP-VSO-REFLOW N 1442122474166700526113 数据手册 1 /docs/en/data-sheet/PCA9555.pdf 2016-10-08 1442050943969706504162 PSP 1 Nov 8, 2017 Data Sheet The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. PDF None /docs/en/data-sheet/PCA9555.pdf English documents 264812 None 980000996212993340 2022-12-07 N /docs/en/data-sheet/PCA9555.pdf 16-bit I2C-bus and SMBus I/O port with interrupt /docs/en/data-sheet/PCA9555.pdf documents 980000996212993340 Data Sheet N en None Y pdf 10 N N 16-bit I2C-bus and SMBus I/O port with interrupt 264.8 KB PCA9555 N 1442050943969706504162 用户指南 1 /docs/en/user-guide/UM10204.pdf 2016-07-12 1442125286808710770774 PSP 6 Oct 1, 2021 User Guide NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. None /docs/en/user-guide/UM10204.pdf English documents 750958 None 132339537837198660 2024-10-24 N /docs/en/user-guide/UM10204.pdf I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf documents 132339537837198660 User Guide N en None Y pdf 7.0 N N I2C-bus specification and user manual 751.0 KB UM10204 N 1442125286808710770774 true Y Products

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