This commercial temperature EPROM from Atmel features 28 terminals and a maximum operating temperature of 70 degrees Celsius. It operates on a nominal supply voltage of 5V, with a maximum supply voltage of 5.5V and a minimum supply voltage of 4.5V. The device has a maximum supply current of 0.03mA and a maximum standby current of 0.0001mA. The EPROM has a maximum access time of 250 nanoseconds and stores 32768 words of data, with 32000 words of code.
Atmel AT27C256-25DC technical specifications.
| Max Operating Temperature | 70 |
| Number of Terminals | 28 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-CDIP-T28 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Supply Current-Max | 0.03 |
| Number of Words | 32768 |
| Number of Words Code | 32000 |
| Memory IC Type | UVPROM |
| Parallel/Serial | PARALLEL |
| Standby Current-Max | 0.0001 |
| Access Time-Max | 250 |
| I/O Type | COMMON |
| RoHS | No |
| REACH | unknown |
| Military Spec | False |
No datasheet is available for this part.