PCF8574ADWR TI I/O Expanders

The PCF8574ADWR is an 8-bit I²C-bus I/O expander from Texas Instruments featuring quasi-bidirectional I/O pins that can be used as input or output without an additional configuration register. It operates over a supply range of 2.5V to 6V and supports 100 kHz clock frequency. The device includes interrupt output for change detection and supports multiple device addresses. Housed in a 16-pin SOIC (DW) package, it operates over -40°C to 85°C. Applications include remote I/O expansion, LED control, and push-button sensing. In stock at HL Electronics – request a quote for fast delivery.

PCF8574ADWR - TI - main product image
Part No.:PCF8574ADWR
Brand:TI
Date Code:25+
Stock:32,934
SPQ:0
MOQ:1+
Delivery Time:In Stock

Pricing (USD)

QuantityUnit Price
1+ $ 1.09
10+ $ 0.96
30+ $ 0.84
100+ $ 0.75
500+ $ 0.72
1000+ $ 0.70

Technical Specifications

  • Part No.PCF8574ADWR
  • Model PCF8574ADWR
  • Category Integrated Circuits (ICs) > Interface > I/O Expanders
  • Manufacturer Texas Instruments
  • Packaging Tape & Reel (TR)
  • Part Status Active
  • Number of I/O 8
  • Interface I²C
  • Interrupt Output Yes
  • Output Type Push-Pull
  • Current - Output Source/Sink 1mA / 25mA
  • Clock Frequency 100 kHz
  • Voltage - Supply 2.5V ~ 6V
  • Operating Temperature -40°C ~ 85°C
  • Mounting Type Surface Mount
  • Supplier Device Package 16-SOIC
  • Base Product Number PCF8574A
  • RoHS ROHS3 Compliant
  • Standard Package 2000
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