Telecom Circuit, 1-Func, CMOS, PDIP28, PLASTIC, DIP-28
PCM Transceiver, 1-Func, CEPT PCM-30/E-1, CMOS, PDIP28, PLASTIC, DIP-28
ISDN S/T 1-Line 1.544Mbps 5V 28-Pin PLCC
PCM Transceiver, 1-Func, T-1(DS1), CMOS, PDIP28,
