Datasheet

PCAL9539A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 3 October 2012 44 of 48
NXP Semiconductors
PCAL9539A
16-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
Fig 37. PCB footprint for SOT994-1 (HWQFN24); reflow soldering
SOT994-1Footprint information for reflow soldering of HVQFN24 package
Dimensions in mm
Ax Ay Bx By D SLx SLy SPx tot SPy tot SPx SPy Gx Gy Hx Hy
5.000 5.000 3.200 3.200
P
0.500 0.240
C
0.900 2.100 2.100 1.200 1.200 0.450 0.450 4.300 4.300 5.250 5.250
nSPx nSPy
22
sot994-1_fr
occupied area
Ax
Bx
SLx
Gx
Gy
Hy
Hx
AyBySLy
P 0.025
0.025
D
(0.105)
SPx tot
SPy tot
nSPx
nSPy
SPx
SPy
solder land plus solder paste
solder land
solder paste deposit
C
Generic footprint pattern
Refer to the package outline drawing for actual layout
Issue date
07-09-24
09-06-15