| Part Number | M27C801-120B1 | M27C801-120F1 | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | EPROM | EPROM | 
| Technology | EPROM - OTP | EPROM - UV | 
| Memory Size | 8Mb (1M x 8) | 8Mb (1M x 8) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | 120 ns | 120 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 32-DIP (0.600", 15.24mm) | 32-CDIP (0.600", 15.24mm) Window | 
| Supplier Device Package | 32-PDIP | 32-CDIP Frit Seal with Window |