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MCP23S08 - 8-Bit I/O Expander

This page provides the datasheet information for the MCP23S08, a member of the MCP23008 8-Bit I/O Expander family.

Description

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 INT 8 VSS 9 GP0 10 GP1 11 GP2 12 GP3 13 GP4 14 GP5 15 GP6 16 GP7 17 VDD 18 N/C

I Serial clock input.

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 bus - Two for the MCP23S08 to allow up to four devices using the same Chip Select.
  • Configurable Interrupt Output Pin - Configurable as active-high, active-low or open-drain Block Diagram MCP2.

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Datasheet preview – MCP23S08

Datasheet Details

Part number MCP23S08
Manufacturer Microchip Technology
File Size 625.89 KB
Description 8-Bit I/O Expander
Datasheet download datasheet MCP23S08 Datasheet
Additional preview pages of the MCP23S08 datasheet.

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Full PDF Text Transcription

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MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface Features • 8-Bit Remote Bidirectional I/O Port - I/O pins default to input • High-Speed I2C Interface (MCP23008) - 100 kHz - 400 kHz - 1.
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