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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order:Order inventroy details 2,500
Factory Stock:Factory Stock: 0
Factory Lead Time: 7 Weeks
Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500+ $0.655


Attributes Table
Interface Circuit Type I2C
Clock Frequency-Max 100kHz
Supply Voltage-Nom 2.5V to 6V
Supply Current ±100mA
Features and Applications

The PCF8574ATS/3,118 is a 8-bit I/O expander for I2C-bus, provides general purpose remote I/O expansion for microcontroller via the two-line bidirectional bus. Its core supply voltage ranges from 2.5 V to 6 V. 


  • Operating supply voltage 2.5 to 6 V
  • Low standby current consumption of 10 mA 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)
  • DIP16, or space-saving SO16 or SSOP20 packages


  • Industrial
  • Automotive