NXP 8-Channel I/O Expander SO 16, PCF8574AT/3,518

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Subtotal (1 pack of 10 units)*

£13.23

(exc. VAT)

£15.88

(inc. VAT)

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  • 550 unit(s) ready to ship
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  • Plus 7,460 unit(s) shipping from 11 February 2026
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Units
Per unit
Per Pack*
10 - 40£1.323£13.23
50 - 90£1.296£12.96
100 - 240£1.271£12.71
250 - 490£1.244£12.44
500 +£1.22£12.20

*price indicative

Packaging Options:
RS Stock No.:
219-4645
Mfr. Part No.:
PCF8574AT/3,518
Brand:
NXP
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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

Standards/Approvals

No

Height

2.65mm

Series

PCF8574

Width

7.6 mm

Length

10.5mm

Automotive Standard

No

COO (Country of Origin):
TH
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

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