NXP 8-Channel I/O Expander SO 16

View all I/O Expanders

Subtotal (1 reel of 1000 units)*

£608.00

(exc. VAT)

£730.00

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 7,000 unit(s) shipping from 05 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
1000 +£0.608£608.00

*price indicative

RS Stock No.:
219-4644
Mfr. Part No.:
PCF8574AT/3,518
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

8

Package Type

SO

Clock Frequency

100kHz

Mount Type

Surface

Maximum Supply Voltage

6V

Minimum Supply Voltage

2.5V

Pin Count

16

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Height

2.65mm

Standards/Approvals

No

Length

10.5mm

Width

7.6 mm

Series

PCF8574

Automotive Standard

No

The NXP bidirectional I2C bus (serial clock (SCL), serial data (SDA)). The devices consist of eight quasi bidirectional ports, 100 kHz I2C bus interface, three hardware address inputs and interrupt output operating between 2.5 V and 6 V. The quasi bidirectional port can be independently assigned as an input to monitor interrupt status or keypads, or as an output to activate indicator devices such as LEDs.

Latched outputs directly drive LEDs

Total package sink capability of 80 mA

Active low open-drain interrupt output

Related links