20-Pin Dual-Function IC, 5V Nominal Supply, Commercial Temperature Grade
PCM Codec
20-Pin Industrial SOP Dual-Function Interface IC
A/MU-LAW, PCM CODEC, PDSO20, SOG-20
Modem, 0.3kbps Data, CMOS, PDSO20, SOG-20
20-Pin Dual-Function Industrial-Grade SOP IC