Please send RFQ , we will respond immediately.
| Part Number | AT27C256R-12JC | AT27C256R-12JI | AT27C256R-12PC | AT27C256R-12RC | AT27C256R-12TC | AT27C256R-15JC | 
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | 
| Memory Format | EPROM | EPROM | EPROM | EPROM | EPROM | EPROM | 
| Technology | EPROM - OTP | EPROM - OTP | EPROM - OTP | EPROM - OTP | EPROM - OTP | EPROM - OTP | 
| Memory Size | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 
| Memory Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | 
| Clock Frequency | - | - | - | - | - | - | 
| Write Cycle Time - Word, Page | - | - | - | - | - | - | 
| Access Time | 120 ns | 120 ns | 120 ns | 120 ns | 120 ns | 150 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TC) | -40°C ~ 85°C (TC) | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) | 0°C ~ 70°C (TC) | 
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 32-LCC (J-Lead) | 32-LCC (J-Lead) | 28-DIP (0.600", 15.24mm) | 28-SOIC (0.342", 8.69mm Width) | 28-TSSOP (0.465", 11.80mm Width) | 32-LCC (J-Lead) | 
| Supplier Device Package | 32-PLCC (13.97x11.43) | 32-PLCC (13.97x11.43) | 28-PDIP | 28-SOIC | 28-TSOP | 32-PLCC (13.97x11.43) |