The IIS Chip Gallery
Telefon_Waehl (1991)
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| Application | Industrial |
| Technology | 1200 |
| Manufacturer | VLSI Tech |
| Type | Semester Thesis |
| Package | DIP40 |
| Dimensions | 3050μm x 2990μm |
| Gates | 3 kGE |
| Voltage | 5 V |
| Power | 63 mW(5V, 3MHz) |
| Clock | 3 MHz |
This chip was designed to be able to connect to a telefonsystem and dial the number through a computer. It allows both for DTMF and pulse coded dialling and communicates with the PC using a 2400 Baud RS232C connection.