M87C257-12F1 STMicroelectronics, M87C257-12F1 Datasheet - Page 19
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M87C257-12F1
Manufacturer Part Number
M87C257-12F1
Description
IC EPROM 256KBIT 120NS 28CDIP
Manufacturer
STMicroelectronics
Datasheet
1.M87C257-12F1.pdf
(22 pages)
Specifications of M87C257-12F1
Format - Memory
EPROMs
Memory Type
UV EPROM
Memory Size
256K (32K x 8)
Speed
120ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
28-CDIP (0.600", 15.24mm) Window
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M87C257-12F1
Manufacturer:
ST
Quantity:
5 120
Part Number:
M87C257-12F1
Manufacturer:
ST
Quantity:
20 000
M87C257
Figure 10. PLCC32 - 32 pin Rectangular Plastic Leaded Chip Carrier, package
1. Drawing is not to scale.
Table 13.
Symbol
CP
A1
A2
B1
D1
D2
D3
E1
E2
E3
D
R
N
A
B
E
F
e
E3
outline
PLCC32 - 32 pin Rectangular Plastic Leaded Chip Carrier,
package mechanical data
10.16
7.62
1.27
0.89
Typ
D2
D1
D3
D
1 N
D2
millimeters
12.32
11.35
14.86
13.89
3.18
1.53
0.38
0.33
0.66
4.78
6.05
0.00
Min
32
–
–
–
–
E1 E
R
12.57
11.51
15.11
14.05
Max
3.56
2.41
0.53
0.81
5.66
6.93
0.13
0.10
–
–
–
–
–
0.51 (.020)
F
1.14 (.045)
0.300
0.400
0.050
0.035
Typ
E2
E2
A1
A2
B
CP
Package mechanical
inches
0.125
0.060
0.015
0.013
0.026
0.485
0.447
0.188
0.585
0.547
0.238
0.000
Min
32
–
–
–
–
A
PLCC-A
B1
e
0.140
0.095
0.021
0.032
0.004
0.495
0.453
0.223
0.595
0.553
0.273
0.005
Max
–
–
–
–
–
19/22