PCA9557DGVR TI I/O Expanders

The PCA9557DGVR is an 8-bit I²C-bus and SMBus I/O expander from Texas Instruments featuring 8 general-purpose I/O pins programmable as input or output. It operates over a supply range of 2.3V to 5.5V and supports 100 kHz and 400 kHz clock frequencies. The device includes interrupt output for change detection and open-drain active-low reset input. Housed in a 16-pin TVSOP (DGV) package, it operates over -40°C to 85°C. Applications include GPIO expansion for microcontrollers, LED control, and push-button sensing. In stock at HL Electronics – request a quote for fast delivery.

PCA9557DGVR - TI - main product image
Part No.:PCA9557DGVR
Brand:TI
Date Code:24+
Stock:11,540
SPQ:0
MOQ:1+
Delivery Time:In Stock

Pricing (USD)

QuantityUnit Price
1+ $ 2.22
10+ $ 1.88
30+ $ 1.67
100+ $ 1.46
500+ $ 1.36
1000+ $ 1.32

Technical Specifications

  • Part No.PCA9557DGVR
  • Model PCA9557DGVR
  • 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, SMBus
  • Interrupt Output No
  • Output Type Open Drain
  • Clock Frequency 400 kHz
  • Voltage - Supply 2.3V ~ 5.5V
  • Operating Temperature -40°C ~ 85°C
  • Mounting Type Surface Mount
  • Supplier Device Package 16-TVSOP
  • Base Product Number PCA9557
  • RoHS ROHS3 Compliant
  • Standard Package 2000
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