PCF8574A I2C Port Expander

Texas Instruments PCF8574A I2C Port Expander
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Price: £1.62
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Availability: 44
Model: PCF8574AN
Manufacturer: Texas Instruments
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Texas Instruments

PCF8574A I2C Port Expander

PCF8574A I2C Port Expander IC chip is an 8-bit input/output (I/O) port expander which will allow you to add another 8-bit bi-directional port to your microcontroller. Very useful when you are running out of ports. Can be used to drive leds, LCD screens etc.

The PCF8574A provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)] and is designed for 2.5-V to 6-V VCC operation.

The device features an 8-bit quasi-bidirectional I/O port (P0–P7), including latched outputs with high-current drive capability for directly driving LEDs.

PCF8574AN Pinout

  • IC, I2C BUS EXPANDER 16DIP
  • IC Function:8-bit I/O Expander
  • Supply Voltage Range:2.5V to 6V
  • Operating Temperature Range:-40°C to +85°C
  • Digital IC Case Style:DIP
  • No. of Pins:16

Documents

PCF8574AN Datasheet

 

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PCF8574A I2C Port Expander
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PCF8574A I2C Port Expander
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