78A420 Search Results

A2713

Abstract: ic 2713 4wire telephone 2950Hz
Contextual Info: SSI 78A400/420 MmMknts' DESCRIPTION Four-Wire LoopbackIC June, 1989 FEATURES The SSI 78A400 is a low-power CMOS integrated circuit that provides the 2713 and 2913 Hz detector and control circuitry needed to perform remote loopback testing on 4-wire telephone lines. As the major func­