8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

DESCRIPTION The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C/SMBus EEPROM, an 8-bit I/O expander and a 2K serial EEPROM with write protect. The PCA9558 integrates these commonly used components into a single chip to reduce c

文件：131.32 Kbytes 页数：18 Pages

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8-bit I2C-bus and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C-bus EEPROM DIP switch and 2-kbit EEPROM

General description The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C-bus/SMBus EEPROM DIP switch, an 8-bit I/O expander and a 2-kbit serial EEPROM with write protect. The PCA9558 integrates these commonly used components int

文件：165.8 Kbytes 页数：27 Pages

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Smart, simple solutions for the 12 most common design concerns

文件：727.81 Kbytes 页数：8 Pages

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8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

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8-bit I2C-bus and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C-bus EEPROM DIP switch and 2-kbit EEPROM

General description The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C-bus/SMBus EEPROM DIP switch, an 8-bit I/O expander and a 2-kbit serial EEPROM with write protect. The PCA9558 integrates these commonly used components int

文件：165.8 Kbytes 页数：27 Pages

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8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM

DESCRIPTION The PCA9558 is a highly integrated, multi-function device that is composed of a 5-bit multiplexed/1-bit latched 6-bit I2C/SMBus EEPROM, an 8-bit I/O expander and a 2K serial EEPROM with write protect. The PCA9558 integrates these commonly used components into a single chip to reduce c

文件：131.32 Kbytes 页数：18 Pages

PHI

PHI

8位I²C总线和SMBus I/O端口，带有5位多路复用/1位闭锁的6位I²C总线EEPROM DIP开关和2-kbit EEPROM

PCA9558是一款高度集成的多功能器件，由5位多路复用/1位闭锁的6位I²C总线/SMBus EEPROM DIP开关、8位I/O扩展器和带有写保护的2-kbit串行EEPROM组成。PCA9558将这些常用的组件集成入单个芯片中以减少组件数并降低电路板空间要求，在计算机、服务器和电信/网络应用中很有用。多路复用/闭锁EEPROM DIP开关 — 用于在由I²C总线/SMBus接口提供的和储存在EEPROM中的一组5位默认硬件输入和备用输入组之间选择数字信息。此类选择的示例包括处理器电压配置或处理器厂商识别(VID)。由于通过I²C总线/SMBus可轻松更改设置而无需关闭设备电源以打开机柜， 5位二选一多路复用器、1位闭锁DIP开关\n通过I²C总线可对6位MUX_OUTx和NON_MUXED_OUT EEPROM进行编程和读取\n5 V耐受开漏MUX_OUTx和NON_MUXED_OUT输出\n低电平有效的超驰输入强制所有MUX_OUTx输出为逻辑0\nI²C总线可读取的MUX_INx输入\n5 V耐受开漏IOx引脚，上电时默认为输出\n一个地址引脚，允许I²总线上最多有两个器件\n8个I/O引脚的低电平有效复位输入，带有内部上拉\n通过I²C总线或I/O可对2048位EEPROM进行编程和读取\n3.0 V至3.6 V的工作电源电压范围\nSMBus符合固定的3.3V电平\n2;

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