W25S243A Datasheet, PDF (15/17 Pages) Winbond – 64K X 64 BURST PIPELINED HIGH-SPEED CMOS STATIC RAM

PACKAGE DIMENSIONS
128-pin QFP
HD
D
128
1
Preliminary W25S243A
103
102
E
EH
38
39
e
b
See Detail F
Seating Plane
65
64
A
A2
A1
y
c
θ
L
L₁
Detail F
Dimension in inches
Symbol _{Min. Nom. Max.}
A
0.134
A 1 ^0.004
A 2 ^{0.101 0.107 0.113}
b
0.006 0.008 0.010
c
0.004 0.006 0.010
D
0.547 0.551 0.555
E
0.783 0.787 0.791
e
0.020
HD ^{0.669 0.677 0.685}
HE ^{0.905 0.913 0.921}
L
0.023 0.031 0.039
L1
0.055 0.063 0.071
y
0.004
θ
0
12
Dimension in mm
Min. Nom. Max.
3.40
0.10
2.57 2.72 2.87
0.15 0.20 0.25
0.10 0.15 0.25
13.90
19.90
14.00
20.00
0.50
14.10
20.10
17.00 17.20 17.40
23.00 23.20 23.40
0.60 0.80 1.00
1.40 1.60 1.80
0.10
0
12
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Publication Release Date: November 1998
Revision A1