M28256-12BS6T STMicroelectronics, M28256-12BS6T Datasheet - Page 19

• Manufacturer Part Number: M28256-12BS6T
• Description: 256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection
• Manufacturer: STMicroelectronics

Drawing is not to scale.
Symb
CP
A1
A
B
C
D
E
H
N
e
L
SO28 - 28 lead Plastic Small Outline, 300 mils body width
B
SO-b
N
1.27
1
Typ
e
D
E
A2
17.81
10.16
2.46
0.13
0.35
0.23
7.42
0.61
mm
Min
28
0
–
H
CP
18.06
10.41
Max
2.64
0.29
0.48
0.32
7.59
1.02
0.10
8
–
A
0.050
Typ
A1
inches
0.097
0.005
0.014
0.009
0.701
0.292
0.400
0.024
Min
28
0
L
–
C
0.104
0.019
0.013
0.299
0.410
0.040
0.004
0.011
0.711
Max
M28256
8
–
19/21