Datasheet
PCA8574_PCA8574A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 3 June 2013 2 of 32
NXP Semiconductors
PCA8574; PCA8574A
Remote 8-bit I/O expander for I
2
C-bus with interrupt
ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per
JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Packages offered: SO16, TSSOP16, SSOP20
3. Applications
LED signs and displays
Servers
Key pads
Industrial control
Medical equipment
PLCs
Cellular telephones
Mobile devices
Gaming machines
Instrumentation and test measurement
4. Ordering information
[1] PCA8574D drop-in replacement for PCF8574T/3.
[2] PCA8574AD drop-in replacement for PCF8574AT/3.
[3] PCA8574TS drop-in replacement for PCF8574TS/3.
[4] PCA8574ATS drop-in replacement for PCF8574ATS/3.
Table 1. Ordering information
Type number Topside mark Package
Name Description Version
PCA8574D
[1]
PCA8574D SO16 plastic small outline package; 16 leads; body width 7.5 mm SOT162-1
PCA8574AD
[2]
PCA8574AD
PCA8574PW PCA8574 TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
SOT403-1
PCA8574APW PA8574A
PCA8574TS
[3]
PCA8574 SSOP20 plastic shrink small outline package; 20 leads;
body width 4.4 mm
SOT266-1
PCA8574ATS
[4]
PA8574A
