UPD43256B-A NEC [NEC], UPD43256B-A Datasheet - Page 18

• Manufacturer Part Number: UPD43256B-A
• Description: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
• Manufacturer: NEC [NEC]

28 PIN PLASTIC SOP (450 mil)
18
NOTE
Each lead centerline is located within 0.12 mm (0.005 inch) of
its true position (T.P.) at maximum material condition.
28
1
D
C
M
M
A
N
15
14
B
L
ITEM MILLIMETERS
G
M
A
B
C
D
E
F
H
K
N
P
J
L
I
detail of lead end
5°±5°
19.05 MAX.
1.27 MAX.
1.27 (T.P.)
0.40±0.10
0.2±0.1
3.0 MAX.
2.55±0.1
11.8±0.3
8.4±0.1
1.7±0.2
0.20
0.7±0.2
0.12
0.10
+0.07
–0.03
H
I
P28GU-50-450A-1
5°±5°
0.750 MAX.
0.050 MAX.
0.050 (T.P.)
0.016
0.008±0.004
0.119 MAX.
0.100
0.465
0.331
0.067±0.008
0.008
0.028
0.005
0.004
INCHES
PD43256B
+0.004
–0.005
+0.005
–0.004
+0.012
–0.013
+0.004
–0.005
+0.003
–0.002
+0.008
–0.009
J