The 27C256-15/J is a 28-pin dual voltage PROM from Microchip. It operates within a commercial temperature range of 0 to 70 degrees Celsius. The device has a nominal supply voltage of 5V, with a maximum and minimum supply voltage of 5.5V and 4.5V, respectively. It draws a maximum supply current of 0.025A. The PROM has a capacity of 32768 words, with 32000 words of code. It features a parallel interface and a common I/O type, with a maximum access time of 150ns and a standby current of 0.0001mA. The device is packaged in a 0.600-inch CERDIP-28 package.
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| Max Operating Temperature | 70 |
| Number of Terminals | 28 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-GDIP-T28 |
| Width | 15.24 |
| Length | 36.83 |
| Pin Count | 28 |
| 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 | 0.025 |
| Number of Words | 32768 |
| Number of Words Code | 32000 |
| Memory IC Type | UVPROM |
| Parallel/Serial | PARALLEL |
| Standby Current-Max | 0.0001 |
| Access Time-Max | 150 |
| I/O Type | COMMON |
| RoHS | No |
| Eccn Code | EAR99 |
| Lead Free | No |
| HTS Code | 8542.32.00.61 |
| REACH | unknown |
| Military Spec | False |
