| Type | Integrated Circuit | |
| Case | PLCC | |
| Manufacturer | Dallas Semiconductor | |
| Mem. Addr Rnge | 64k | |
| No.of Addr. Modes | 8 | |
| No. of I/O Lines | 32 | |
| I/O Line Types | ByteVarble | |
| Max. Inst. Len (bits) | 24 | |
| Min Inst. Len (bits) | 8 | |
| No. of Intrpt Lines | 2 | |
| Intrpt Types | Prty/Int V | |
| fClk Max. (Hz) | 8M | |
| fClk Min (Hz) | 1M | |
| No. of I/O Ports | 4 | |
| On-Chip ROM (bytes) | 0 | |
| Nom. Supp Volt | 5.0 | |
| Tech. | CMOS Integrated Circuit | |
| On-Chip RAM (Bytes) | 0 | |
| Oper. Temp (°C) Min | 0 | |
| Oper. Temp (°C) Max. | 70 | |
| Pinout Equivalence Number | 80-39 | |
| Descript | NVRAM;Compat. w/8051 Instr. | |
| No. of Pins | 80 | |
| Surface Mounted Yes/No | YES | |
| SKU | 1128329 | |