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ICS83940DI Datasheet, PDF (16/19 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
ICS83940DI Data Sheet
LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS/LVTTL FANOUT BUFFER
Package Outline and Package Dimensions
Package Outline - K Suffix for 32 Lead VFQFN
Ind exArea
N
To p View
S eating Plan e
A1
AAnnvviill
SiSnignguulalatitoionn
OR
A3 L
E 2 E2
2
(N -1)x e
(R ef.)
N
D
Chamfer 4x
0.6 x 0.6 max
OPTIONAL
A
0. 08 C
e
(Ref.)
N &N
Odd
C
D2
2
D2
(Ref.)
N &N
Even
e (Ty p.)
2 If N & N
1 are Even
2
(N -1)x e
(Re f.)
b
Th er mal
Ba se
Bottom View w/Type A ID
Bottom View w/Type C ID
2
2
1
1
CHAMFER
4
N N-1
RADIUS
4
N N-1
There are 2 methods of indicating pin 1 corner at the back of the VFQFN package:
1. Type A: Chamfer on the paddle (near pin 1)
2. Type C: Mouse bite on the paddle (near pin 1)
Table 7B. Package Dimensions
JEDEC Variation: VHHD-2/-4
All Dimensions in Millimeters
Symbol Minimum Nominal Maximum
N
32
A
0.80
1.00
A1
0
0.05
A3
0.25 Ref.
b
0.18
0.25
0.30
ND & NE
D&E
8
5.00 Basic
D2 & E2
3.0
3.3
e
0.50 Basic
L
0.30
0.40
0.50
Reference Document: JEDEC Publication 95, MO-220
NOTE: The following package mechanical drawing is a generic
drawing that applies to any pin count VFQFN package. This drawing
is not intended to convey the actual pin count or pin layout of this
device. The pin count and pinout are shown on the front page. The
package dimensions are in Table 7B.
ICS83940DYI REVISION C MARCH 20, 2013
16
©2013 Integrated Device Technology, Inc.