PCA9555PW 16-Bit I2C GPIO Expander IC in TSSOP-24
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 UGE | PCA9555PW 16bit GPIO expander logic chip IC SMD TSSOP24 | 228 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 228 EGP
About this product
The PCA9555PW is a 16-bit GPIO expander from NXP that adds 16 configurable input or output pins over the I2C bus. It is used to increase the I/O count of microcontrollers and includes an interrupt output to signal input changes. Common uses include control panels, keypads and sensor scanning.
Specifications
- Interface
- I2C
- GPIO pins
- 16
- Supply voltage
- 2.3-5.5 V
- Maximum I2C clock
- 400 kHz
- Package
- TSSOP-24
- Interrupt output
- Yes (INT)
Frequently asked questions
What is the price of PCA9555PW 16-Bit I2C GPIO Expander IC in TSSOP-24 in Egypt?
PCA9555PW 16-Bit I2C GPIO Expander IC in TSSOP-24 currently costs 228 EGP in Egypt.
Where can I buy PCA9555PW 16-Bit I2C GPIO Expander IC in TSSOP-24 in Egypt?
PCA9555PW 16-Bit I2C GPIO Expander IC in TSSOP-24 is available from UGE. Compare the offers above to find the best price.
How is the I2C address selected for the PCA9555PW?
The address is set by the A0, A1 and A2 pins, which gives addresses in the range 0x20 to 0x27. Connect each address pin to VCC or GND to select the address for your bus.
Can the PCA9555PW work with a 3.3 V microcontroller?
Yes. Its supply range is 2.3 V to 5.5 V. Pull up the SDA and SCL lines to the same logic voltage as the microcontroller, and make sure the I/O levels match.
