M87C257-15F6 STMicroelectronics, M87C257-15F6 Datasheet - Page 19

• Manufacturer Part Number: M87C257-15F6
• Description: IC EPROM 256KBIT 150NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M87C257-15F6

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 256K (32K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-CDIP (0.600", 15.24mm) Window
• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: In System/External
• Access Time (max): 150ns
• Package Type: CFDIPW
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 50mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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