Features
Battery Cell Controller, Advanced, 6 Channels, TPL, LQFP48.
Package
HLQFP48 LQFP64, plastic, low profile quad flat package; 64 terminals; 0.5 mm pitch; 10 mm x 10 mm x 1.4 mm body.
购买选项
PCA8574D,518
正常供应
12NC: 935283485518
详细信息
订购
工作特点
| 参数 | 值 |
|---|---|
No of bits | 8 |
VDD [min] | 2.3 |
VDD [max] | 5.5 |
Over volt tolerant | Y |
No of supplies | 1 |
Standby current [typ] (µA) | 4.5 |
Max Sink Current per bit (mA) | 25 |
Max Sink Current, per package (mA) | 200 |
| 参数 | 值 |
|---|---|
Source Current per bit (mA) | 0.1 |
Interrupt output pin | Y |
Output mode | Quasi |
Internal pull-up resistor per bit (kOhm) | Int I source |
I2C-bus (kHz) | 400 |
Footprint body and leads | 111.83 |
Operating Temperature (°C) | -40~85 |
No of Addresses | 8 |
环境
| 部件/12NC | 无铅 | 欧盟 RoHS | 无卤素 | RHF指标 | REACH SVHC | 重量（mg） |
|---|---|---|---|---|---|---|
PCA8574D,518(935283485518) | Yes | Yes Certificate Of Analysis (CoA) | No |  | REACH SVHC | 404.6 |
质量
| 部件/12NC | 安全保障功能安全 | 湿度灵敏度等级(MSL) | 封装体峰值温度（PPT）（C°） | 适合 | MTBF | IR | ||
|---|---|---|---|---|---|---|---|---|
| 铅焊接 | 无铅焊接 | 铅焊接 | 无铅焊接 | |||||
PCA8574D,518 (935283485518) | No | 1 | 2 | 240 | 260 | 2.0 | 5.0E8 | 0.0 |
配送
| 部件/12NC | 协调关税 (美国)免责声明 |
|---|---|
PCA8574D,518 (935283485518) | 854239 |
停产和更换部件数据
| 部件/12NC | 停产通知 | 上次购买日期 | 上次发货日期 | 替代器件 |
|---|---|---|---|---|
PCA8574D,518 (935283485518) | - | 2018-04-24 | 2018-07-24 | PCF8574T/3,518 (935275617518) |
产品变更通知
| 部件/12NC | 发行日期 | 生效日期 | 产品更改通知 | 标题 |
|---|---|---|---|---|
PCA8574D,518 (935283485518) | 2020-12-15 | 2020-12-16 | 202011011I | NXP Will Add a Sealed Date to the Product Label |
更多信息 PCA8574_74A
The PCA8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I²C-bus (serial clock (SCL), serial data (SDA)).
The devices consist of eight quasi-bidirectional ports, 400 kHz I²C-bus interface, three hardware address inputs and interrupt output operating between 2.3 V and 5.5 V. The quasi-bidirectional port can be independently assigned as an input to monitor interrupt status or keypads, or as an output to activate indicator devices such as LEDs. The system controller can read from the input port or write to the output port through a single register.
The low current consumption of 4.5 μA (typical, static) is great for mobile applications and the latched output ports have 25 mA high current sink drive capability for directly driving LEDs.
The PCA8574 and PCA8574A are identical, except for the different fixed portion of the target address. The three hardware address pins allow eight of each device to be on the same I²C-bus, so there can be up to 16 of these I/O expanders PCA8574/74A together on the same I²C-bus, supporting up to 128 I/Os (for example, 128 LEDs).
The active LOW open-drain interrupt output (INT) can be connected to the interrupt logic of the microcontroller and is activated when any input state differs from its corresponding input port register state. It is used to indicate to the microcontroller that an input state has changed and the device needs to be interrogated without the microcontroller continuously polling the input register via the I²C-bus.
The internal Power-On Reset (POR) initializes the I/Os as inputs with a weak internal pull-up 100 μA current source.