IL91531 PARALLEL INPUT TONE/PULSE DIALER HIGH-PERF.
ETC
IN91531N - PARALLEL INPUT TONE/PULSE DIALER HIGH-PERFORMANCE SILICON-GATE CMOS
IL91531 PARALLEL INPUT TONE/PULSE DIALER HIGH-PERFORMANCE SILICON-GATE CMOS The IN91531N provides a 4-bit data input and a handshaking signal to serve.
