| Type | Integrated Circuit | |
| Case | DIP28 | |
| Manufacturer | Zilog | |
| No.of Addr. Modes | 9 | |
| No. of I/O Lines | 22 | |
| I/O Line Types | Byte/GenP | |
| Max. Inst. Len (bits) | 24 | |
| Min Inst. Len (bits) | 8 | |
| No. of Intrpt Lines | 1 | |
| Intrpt Types | Maskable/P | |
| No. of Intrpt (mask) | 3 | |
| fClk Max. (Hz) | 12M | |
| No. of I/O Ports | 4 | |
| On-Chip ROM (bytes) | 2.0k | |
| Nom. Supp Volt | 5.0 | |
| Tech. | CMOS Integrated Circuit | |
| On-Chip RAM (Bytes) | 124 | |
| Oper. Temp (°C) Min | -40 | |
| Oper. Temp (°C) Max. | 100 | |
| Pinout Equivalence Number | 28-476 | |
| No. of Pins | 28 | |
| Surface Mounted Yes/No | NO | |
| SKU | 1130738 | |