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 27 of 32
NXP Semiconductors
PCA8574; PCA8574A
Remote 8-bit I/O expander for I
2
C-bus with interrupt
Fig 24. PCB footprint for SOT266-1 (SSOP20); reflow soldering
DIMENSIONS in mm
Ay By D1 D2 Gy HyP1
7.200 4.500 1.350 0.400
C
0.600 6.900 5.300
Gx
7.450
sot266-1_fr
Hx
7.3000.650
SOT266-1
solder land
occupied area
Footprint information for reflow soldering of SSOP20 package
P2
0.750
P2
Gy
C
Hy
(0.125)
AyBy
(0.125)
Hx
Gx
P1
D1
D2 (4x)