| Application | Industrial |
| Technology | 1200 |
| Manufacturer | VLSI Tech |
| Type | Semester Thesis |
| Package | DIP64 |
| Dimensions | 3199μm x 3185μm |
| Gates | 4 kGE |
| Voltage | 5 V |
| Power | 71 mW(5V, 4MHz) |
| Clock | 4.194 MHz |
Home telephone Central (Haus Telefon Zentrale - HTZ) will allow multiple phones to share one phone connection. The designed chip is the core of a system that would allow up to 6 phone connections, and one voicemail machine and three controllable outputs. It is possible to make calls in between the local phones, add a password for the outputs.