UPD98404 Datasheet, PDF (31/36 Pages) NEC – ADVANCED ATM SONET FRAMER

3. PACKAGE DRAWINGS
µPD98404
144 PIN PLASTIC QFP (FINE PITCH) (20x20)
A
B
108
73
109
72
CD
detail of lead end
S
Q
R
144
1
F
G
H
I^M
37
36
J
P
K
M
NS
L
S
NOTE
Each lead centerline is located within 0.10 mm of
its true position (T.P.) at maximum material condition.
Data Sheet S11822EJ4V0DS00
ITEM
A
B
C
MILLIMETERS
22.0±0.3
20.0±0.2
20.0±0.2
D
22.0±0.3
F
1.25
G
1.25
H
0.22
+0.05
−0.04
I
0.10
J
0.5 (T.P.)
K
1.0±0.2
L
0.5±0.2
M
0.17
+0.03
−0.07
N
0.10
P
2.7
Q
0.125±0.075
R
3°
+7°
−3°
S
3.0 MAX.
S144GJ-50-JEU, KEU-1
31