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

The PCA8574/74A 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, 400 kHz I²C‑bus interface, threehardware address inputs and interrupt output operating between 2.3 V a I²C‑bus to parallel port expander\n400 kHz I²C‑bus interface (Fast-mode I²C‑bus)\nOperating supply voltage 2.3 V to 5.5 V with 5.5 V tolerant I/Os held to VDD with 100 μA current source\n8-bit remote I/O pins that default to inputs at power-up\nLatched outputs with 25 mA sink capability for directly;

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

REMOTE 8-BIT I/O EXPANDER FOR I2C BUS

文件：943.77 Kbytes 页数：23 Pages

TI

德州仪器