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.
Part No.:PCA9557DGVR
Brand:TI
Date Code:24+
Stock:11,540
SPQ:0
MOQ:1+
Delivery Time:In Stock
Pricing (USD)
| Quantity | Unit 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
