m28256 STMicroelectronics, m28256 Datasheet - Page 20

• Manufacturer Part Number: m28256
• Description: 256 Kbit 32kb X8 Parallel Eeprom With Software Data Protection
• Manufacturer: STMicroelectronics

M28256
Drawing is not to scale.
20/21
Symb
CP
A1
A2
D1
A
B
C
D
E
N
e
L
TSOP28 - 28 lead Plastic Thin Small Outline, 8 x 13.4mm
28
1
TSOP-c
0.55
Typ
22
7
D1
DIE
D
13.20
11.70
0.95
0.17
0.10
7.90
0.50
mm
Min
28
0
-
21
8
13.60
11.90
Max
1.25
0.20
1.15
0.27
0.21
8.10
0.70
0.10
5
-
E
C
0.022
Typ
A1
A
A2
inches
CP
0.037
0.007
0.004
0.520
0.461
0.020
0.311
Min
B
L
e
28
0
-
0.049
0.008
0.045
0.008
0.535
0.469
0.319
0.028
0.004
0.011
Max
5
-