Industrial Quad Interface IC, 28-Pin DIP, -40 to 85°C, 5V Supply
PCM Transceiver, 1-Func, T-1(DS1), CMOS, PQCC28,
T1/E1 LH/SH Transceiver 28-Pin PLCC
IC 1-PORT T1/E1 SER TXCVR 28PLCC
Floatless Level Controller 11-Pin
