面向1MHz I²C总线的远程8位通用输出 | NXP 半导体

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面向1MHz I²C总线的远程8位通用输出

PCA9571
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PCA9571是一款CMOS器件，为低压处理器和手持电池供电移动应用提供8位通用并行输出(GPO)扩展。它在轻载总线(<100pF)上以1MHz I²C总线速率运行，同时保持与快速模式(400kHz)和标准模式(100kHz)的向后兼容性。

PCA9571是简化的GPO，由8位推挽输出组成，提供低电流消耗、小型封装选项和1.1V至3.6V的低工作电压范围。锁存输出在3.3V时为对称的4mA电流驱动能力，可驱动各种控制逻辑器件。在保持互连和最小占地面积的同时需要额外的输出时，PCA9571输出扩展器提供简易的解决方案，例如，在拥挤的PCB上来连接传感器、按钮等附件的电池供电移动应用中。

PCA9571包含内部上电复位(POR)和软件复位功能，可将器件初始化为默认状态。

产品详情

特性

主要特性

  • 1MHz的I²C总线接口，具有6mA SDA灌电流能力，适用于轻载总线(<100pF)和改进的功耗
  • 兼容I²C总线快速和标准模式
  • 工作电压：1.1V至3.6V
  • 锁存输出，3.3V时灌/拉电流能力为4mA
  • 可读取器件ID(制造商、器件类型和版本)
  • 软件复位
  • 上电复位
  • 低待机电流
  • ‑40°C至+85°C工作温度
  • ESD保护：按JESD22-A114超过2000V HBM，按JESD22-C101超过1000V CDM
  • 按照JEDEC标准JESD78完成超过100mA的闭锁测试
  • 提供的封装：XQFN12、TSSOP14和DHVQFN14
N true 0 PSPPCA9571zh 3 包装信息 Packing Information t935 1 封装信息 Package Information t790 1 数据手册 Data Sheet t520 1 zh zh zh 数据手册 Data Sheet 1 1 2.0 English The PCA9571 is a CMOS device that provide 8 bits of General Purpose parallel Output (GPO) expansion in low-voltage processor and handheld battery powered mobile applications. 1442059336728702528314 PSP 1.7 MB None None documents None 1442059336728702528314 /docs/en/data-sheet/PCA9571.pdf 1711881 /docs/en/data-sheet/PCA9571.pdf PCA9571 documents N N 2018-09-24 Remote 8-bit general purpose outputs for 1 MHz I²C-bus /docs/en/data-sheet/PCA9571.pdf /docs/en/data-sheet/PCA9571.pdf Data Sheet N 980000996212993340 2022-12-07 pdf N en Sep 21, 2018 980000996212993340 Data Sheet Y N Remote 8-bit general purpose outputs for 1 MHz I²C-bus 封装信息 Package Information 1 2 1.0 English 1455078823631719049861 PSP 261.9 KB None None documents None 1455078823631719049861 /docs/en/package-information/SOT1174-1.pdf 261910 /docs/en/package-information/SOT1174-1.pdf SOT1174-1 documents N N 2016-02-12 plastic, extremely thin quad flat package; no leads 12 terminals /docs/en/package-information/SOT1174-1.pdf /docs/en/package-information/SOT1174-1.pdf Package Information N 302435339416912908 2024-03-12 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic, extremely thin quad flat package; no leads 12 terminals 包装信息 Packing Information 1 3 2.0 English 1442131569303729582546 PSP 89.2 KB None None documents None 1442131569303729582546 /docs/en/packing/SOT1174-1_115.pdf 89197 /docs/en/packing/SOT1174-1_115.pdf SOT1174-1_115 documents N N 2013-04-17 Standard product orientation 12NC ending 115 /docs/en/packing/SOT1174-1_115.pdf /docs/en/packing/SOT1174-1_115.pdf Packing Information N 145666923842250347 2023-10-17 pdf N en Apr 4, 2013 145666923842250347 Packing Information Y N Standard product orientation 12NC ending 115 false 0 PCA9571 downloads zh-Hans true 1 Y PSP Y Y 包装信息 1 /docs/en/packing/SOT1174-1_115.pdf 2013-04-17 1442131569303729582546 PSP 3 Apr 4, 2013 Packing Information None /docs/en/packing/SOT1174-1_115.pdf English documents 89197 None 145666923842250347 2023-10-17 N /docs/en/packing/SOT1174-1_115.pdf Standard product orientation 12NC ending 115 /docs/en/packing/SOT1174-1_115.pdf documents 145666923842250347 Packing Information N en None Y pdf 2.0 N N Standard product orientation 12NC ending 115 89.2 KB SOT1174-1_115 N 1442131569303729582546 封装信息 1 /docs/en/package-information/SOT1174-1.pdf 2016-02-12 1455078823631719049861 PSP 2 Feb 8, 2016 Package Information None /docs/en/package-information/SOT1174-1.pdf English documents 261910 None 302435339416912908 2024-03-12 N /docs/en/package-information/SOT1174-1.pdf plastic, extremely thin quad flat package; no leads 12 terminals /docs/en/package-information/SOT1174-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic, extremely thin quad flat package; no leads 12 terminals 261.9 KB SOT1174-1 N 1455078823631719049861 数据手册 1 /docs/en/data-sheet/PCA9571.pdf 2018-09-24 1442059336728702528314 PSP 1 Sep 21, 2018 Data Sheet The PCA9571 is a CMOS device that provide 8 bits of General Purpose parallel Output (GPO) expansion in low-voltage processor and handheld battery powered mobile applications. None /docs/en/data-sheet/PCA9571.pdf English documents 1711881 None 980000996212993340 2022-12-07 N /docs/en/data-sheet/PCA9571.pdf Remote 8-bit general purpose outputs for 1 MHz I²C-bus /docs/en/data-sheet/PCA9571.pdf documents 980000996212993340 Data Sheet N en None Y pdf 2.0 N N Remote 8-bit general purpose outputs for 1 MHz I²C-bus 1.7 MB PCA9571 N 1442059336728702528314 true Y Products

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