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PCF8574AN I2C Expander

in category I2C Protocol

The PCF8574A 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).

05-00085741
Gross Weight: 0kg
Made in: Taiwan
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3.00
Without VAT 2.42

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DESCRIPTION

Have you run out of I/O pins? This great IC allows the user to expand up to 64 I/O using only two I/O for control!
 
The PCF8574A 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).
 
Specifications:
  • Operating supply voltage 2.5 to 6 V
  • Low standby current consumption of 10 µA maximum
  • I2C-bus to parallel port expander
  • Open-drain interrupt output
  • 8-bit remote I/O port for the I2C-bus
  • Compatible with most microcontrollers
  • Latched outputs with high current drive capability for directly driving LEDs
  • Address by 3 hardware address pins for use of up to 8 devices (up to 16 with PCF8574A)
 
Documents:

 

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