ICS844N255I Datasheet, PDF (19/21 Pages) Integrated Device Technology – Six differential LVDS clock outputs

ICS844N255I Data Sheet
Package Outline and Package Dimensions
Package Outputline -K Suffix for 48 Lead VFQFN
FEMTOCLOCK^® NG CRYSTAL-TO-LVDS CLOCK SYNTHESIZER
Table 9. PackageDimensions for 48 Lead VFQFN
All Dimensions in Millimeters
Symbol Minimum Nominal
Maximum
N
48
A
0.8
0.9
A1
0
0.02
0.05
A3
0.2 Ref.
b
0.18
0.25
0.30
D&E
7.00 Basic
D1 & E1
5.50 Basic
D2 & E2
5.50
5.65
5.80
e
0.50 Basic
R
0.20~0.25
ZD & ZE
0.75 Basic
L
0.35
0.40
0.45
Reference Document: IDT Drawing #PSC-4203
ICS844N255AKILF REVISION A NOVEMBER 23, 2011
19
Bottom View w/Type A ID
2
1
CHAMFER
4
N N-1
Bottom View w/Type C ID
2
1
RADIUS
4
N N-1
There are 2 methods of indicating pin 1 corner
at the back of the VFQFN package are:
1. Type A: Chamfer on the paddle (near pin 1)
2. Type C: Mouse bite on the paddle (near pin 1)
©2011 Integrated Device Technology, Inc.