PartNumber | M87C257-12F1 | M87C257-15C1 | M87C257-15C6 |
Description | IC EPROM 256K PARALLEL 28CDIP | IC EPROM 256K PARALLEL 32PLCC | IC EPROM 256K PARALLEL 32PLCC |
Manufacturer | STMicroelectronics | STMicroelectronics | - |
Product Category | IC Chips | Memory | - |
Series | - | - | - |
Packaging | Tube | Tube | - |
Package Case | 28-CDIP (0.600", 15.24mm) Window | 32-LCC (J-Lead) | - |
Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | - |
Interface | Parallel | Parallel | - |
Voltage Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | - |
Supplier Device Package | 28-CDIP Frit Seal with Window | 32-PLCC (11.35x13.89) | - |
Memory Size | 256K (32K x 8) | 256K (32K x 8) | - |
Memory Type | EPROM UV | EPROM OTP | - |
Speed | 120ns | 150ns | - |
Format Memory | EPROMs | EPROMs | - |