| UPD78P312ACW Datasheet |
| Type | Integrated Circuit | |
| Case | DIP64 | |
| Manufacturer | NEC | |
| No.of Addr. Modes | 9 | |
| No. of I/O Lines | 54 | |
| I/O Line Types | Byte | |
| Max. Inst. Len (bits) | 32 | |
| Min Inst. Len (bits) | 8 | |
| No. of Intrpt Lines | 4 | |
| No. of Intrpt (NMI) | 2 | |
| Intrpt Types | Prty/Softw | |
| No. of Intrpt (mask) | 15 | |
| fClk Max. (Hz) | 12M | |
| No. of I/O Ports | 9 | |
| On-Chip ROM (bytes) | 8k | |
| Nom. Supp Volt | 5.0 | |
| Tech. | CMOS Integrated Circuit | |
| On-Chip RAM (Bytes) | 256 | |
| Oper. Temp (°C) Min | -10 | |
| Oper. Temp (°C) Max. | 70 | |
| Pinout Equivalence Number | 64-85 | |
| Descript | OTP EPROM,16bitOpperation Avail,4-Ch ADC | |
| No. of Pins | 64 | |
| Surface Mounted Yes/No | NO | |
| SKU | 365962 | |