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

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

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I2C Demonstration Board 2005-1 Quick Start Guide

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

文件：800.53 Kbytes 頁數(shù)：33 Pages

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

文件：138.74 Kbytes 頁數(shù)：24 Pages

PHI

PHI

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

文件：800.53 Kbytes 頁數(shù)：33 Pages

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

文件：800.53 Kbytes 頁數(shù)：33 Pages

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Remote 8-bit I/O expander for I2C\\u2011bus with interrupt

The PCF8574/74A provides general-purpose remote I/O expansion via the two-wirebidirectional I2C?bus (serial clock (SCL), serial data (SDA)).\nThe devices consist of eight quasi-bidirectional ports, 100?kHz I2C?bus interface, threehardware address inputs and interrupt output operating between 2.5?V a I2C-bus to parallel port expander\n100 kHz I2C?bus interface (Standard-mode I2C-bus)\nOperating supply voltage 2.5 V to 6?V with non-overvoltage tolerant I/O held to VDD with 100?μA current source\n8-bit remote I/O pins that default to inputs at power-up\nLatched outputs directly drive LEDs\nTotal p;

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