MCP23008 8-Bit I/O Expander

Microchip Technology

Description

MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface .
TABLE 1-1: PINOUT DESCRIPTION Pin Name PDIP/ SOIC QFN SSOP Pin Type Function SCL/SCK 1 SDA/SI 2 A2/SO 3 A1 4 A0 5 RESET 6 NC/CS 7.

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Datasheet Specifications

Part number: MCP23008
Manufacturer: Microchip ↗ Technology
File Size: 625.89 KB
Datasheet: MCP23008_MicrochipTechnology.pdf
Description: 8-Bit I/O Expander

Features

* 8-Bit Remote Bidirectional I/O Port - I/O pins default to input
* High-Speed I2C Interface (MCP23008) - 100 kHz - 400 kHz - 1.7 MHz
* High-Speed SPI Interface (MCP23S08) - 10 MHz
* Hardware Address Pins - Three for the MCP23008 to allow up to eight devices on the bu

Applications

* The two devices differ in the number of hardware address pins and the serial interface:
* MCP23008
* I2C interface; three address pins
* MCP23S08
* SPI interface; two address pins The MCP23X08 consists of multiple 8-bit Configuration registers for input, output and p

MCP23008 Distributors

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MCP23008 8-Bit Expander Microchip Technology

Microchip Technology MCP23008-like datasheet