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MCP23S08-E/P - 

I/O Expander, 8bit, 10 MHz, Serial, SPI, 1.8 V, 5.5 V, DIP

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Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
MCP23S08-E/P
Newark Part No.:
08J8732
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
8I/O's
:
-
:
Each
:
8bit
:
Serial, SPI
:
18Pins
:
DIP
:
1.8V
:
-
:
10MHz
:
5.5V
:
-
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Product Overview

The MCP23S08-E/P is a 8-bit I/O Expander with serial interface provides 8-bit, general purpose, parallel I/O expansion for SPI applications. The MCP23X08 consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I/Os as either inputs or outputs by writing the I/O configuration bits. The data for each input or output is kept in the corresponding input or output register. The polarity of the input port register can be inverted with the polarity inversion register. All registers can be read by the system master. The interrupt capture register captures port values at the time of the interrupt, thereby saving the condition that caused the interrupt.
  • 8-bit Remote bidirectional I/O port
  • 2 Hardware address pins allow up to four devices using the same chip-select
  • Configurable interrupt output pin - Configurable as active-high, active-low or open-drain
  • Configurable interrupt source - Interrupt-on-change from configured defaults or pin change
  • Polarity inversion register to configure the polarity of the input port data
  • External reset input
  • 1μA Maximum low standby current

Applications

Communications & Networking

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