upd43256b Renesas Electronics Corporation., upd43256b Datasheet - Page 19

• Manufacturer Part Number: upd43256b
• Description: 256k-bit Cmos Static Ram 32k-word By 8-bit
• Manufacturer: Renesas Electronics Corporation.

28-PIN PLASTIC SOP (11.43 mm (450))
F
NOTE
Each lead centerline is located within 0.12 mm of
its true position (T.P.) at maximum material condition.
G
E
28
1
D
C
M
M
A
Data Sheet M10770EJEV0DS
N
S
B
15
14
S
K
detail of lead end
L
H
I
ITEM
P
M
C
G
H
N
A
B
D
E
F
K
P
J
L
I
μ
PD43256B
P28GU-50-450A-4
MILLIMETERS
18.0
1.27 MAX.
1.27 (T.P.)
0.42 +0.08
0.2±0.1
2.95 MAX.
2.55±0.1
11.8±0.3
8.4±0.1
1.7±0.2
0.22±0.05
0.7±0.2
0.12
0.10
3° +7°
−3°
+0.6
−0.05
−0.07
19
J