NXP 16-Channel I/O Expander TSSOP 24

View all I/O Expanders

Subtotal (1 reel of 2500 units)*

£2,315.00

(exc. VAT)

£2,777.50

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 12,500 unit(s) shipping from 09 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
2500 +£0.926£2,315.00

*price indicative

RS Stock No.:
219-4623
Mfr. Part No.:
PCA9555PW,118
Brand:
NXP
Find similar products by selecting one or more attributes.
Select all

Brand

NXP

Product Type

I/O Expander

Number of I/O Channels

16

Package Type

TSSOP

Clock Frequency

400kHz

Mount Type

Surface

Maximum Supply Voltage

5.5V

Minimum Supply Voltage

2.3V

Pin Count

24

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Height

1.1mm

Length

7.9mm

Width

4.5 mm

Series

PCA9555

Standards/Approvals

No

Automotive Standard

No

The NXP PCA9555 is a 24 pin CMOS device that provides 16 bits of general purpose parallel input or output (GPIO) expansion for I2C bus or SMBus applications and was developed to enhance the NXP semiconductors family of I2C bus i/o expanders. The improvements include higher drive capability, 5 V I/O tolerance, lower supply current, individual i or o configuration, and smaller packaging.

No glitch on power-up

Supports hot insertion

Low standby current

Related links