73K222AL Overview
The 73K222AL is a highly integrated single-chip modem IC which provides the functions needed to construct a CCITT V.22, V.21 and Bell 212A patible modem, capable of 1200 bit/s full-duplex operation over dial-up lines. The 73K222AL is an enhancement of the 73K212L/AL single-chip modem which adds V.22 and V.21 modes to the Bell 212A and 103 operation of the 73K212AL. In Bell 212A mode, the 73K222AL provides the normal...