带有中断的I2C总线远程8位I/O扩展器

PCA8574/74A通过两路双向I²C总线（串行时钟(SCL)、串行数据(SDA)）为大多数微控制器系列提供通用远程I/O扩展。\n器件由8位准双向端口和I²C总线接口组成。PCA8574/74A具有低电流消耗且包含具备25 mA高电流驱动能力的锁存输出，用于直接驱动LED。\nPCA8574/74A还具有中断线路\n，可连接至微控制器的中断逻辑。通过在此线路发送中断信号，远程I/O可通知微控制器其端口上是否存在输入数据而无需通过I²C总线通信。\n内部上电复位(POR)会将I/O初始化为输入。 400 kHz I²C总线接口\n2.3 V至5.5 V 操作，5.5 V耐受I/O\n8位远程I/O引脚在上电时默认为输入\n闭锁输出具有25 mA的灌电流能力，可直接驱动LED\n总封装灌电流能力为200 mA\n低电平有效的开漏中断输出\n使用3个地址引脚的8个可编程从地址\n可读取器件ID（制造商、器件类型和版本）\n低待机电流（最大10 uA）\n-40 Cel至+85 Cel操作\nESD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\n已按照JEDEC标准JESD78完成闭锁测;

恩XP

Remote 8-bit I/O expander for I2C-bus with interrupt

文件：159.61 Kbytes 页数：27 Pages

恩XP

Remote 8-bit I/O expander for I2C-bus

GENERAL DESCRIPTION The PCF8574 is a silicon CMOS circuit. It provides general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I2C-bus). The device consists of an 8-bit quasi-bidirectional port and an I2C-bus interface. The PCF8574 has a low cur

文件：156.48 Kbytes 页数：24 Pages

PHI

PHI

Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers

GENERAL DESCRIPTION This family of amplifiers has ultralow offset, drift, and bias current. The AD8571, AD8572, and AD8574 are single, dual, and quad amplifiers, respectively, featuring rail-to-rail input and output swings. All are guaranteed to operate from 2.7 V to 5 V single supply. The A

文件：247.1 Kbytes 页数：19 Pages

AD

亚德诺

Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers

文件：544 Kbytes 页数：24 Pages

AD

亚德诺

Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers

文件：519.49 Kbytes 页数：24 Pages

AD

亚德诺