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| Part Number | FM27C040Q120 | FM27C040V120 | FM27C040Q150 | 
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Active | Active | Active | 
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | 
| Memory Format | EPROM | EPROM | EPROM | 
| Technology | EPROM - UV | EPROM - OTP | EPROM - UV | 
| Memory Size | 4Mb (512K x 8) | 4Mb (512K x 8) | 4Mb (512K x 8) | 
| Memory Interface | Parallel | Parallel | Parallel | 
| Clock Frequency | - | - | - | 
| Write Cycle Time - Word, Page | - | - | - | 
| Access Time | 120 ns | 120 ns | 150 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Through Hole | Surface Mount | Through Hole | 
| Package / Case | 32-CDIP (0.685", 17.40mm) Window | 32-LCC (J-Lead) | 32-CDIP (0.685", 17.40mm) Window | 
| Supplier Device Package | 32-CDIP | 32-PLCC (14x11.46) | 32-CDIP |