| Type | Integrated Circuit NMOS | |
| Case | DIP40 | |
| Manufacturer | National Semiconductor - NSC | |
| Vih Min (V) | 2.2 | |
| Vil Max. (V) | 0.8 | |
| Output Display Lines | 34 | |
| PD Max. (W) | 1.0 | |
| Nom. Pos. Supp | 11* | |
| Type of Display | LED | |
| Tech. | NMOS Integrated Circuit | |
| Oper. Temp (°C) Min | -25 | |
| Oper. Temp (°C) Max. | 85 | |
| Pinout Equivalence Number | 40-391 | |
| No. of Pins | 40 | |
| Surface Mounted Yes/No | NO | |
| SKU | 105751 | |