73K324BL

® TDK SEMICONDUCTOR CORP. 73K324BL V.22bis/V.22/V.21/V.23 Bell 212A Single-Chip Modem w/Integrated Hybrid DESCRIPTION The 73K324BL is a highly integrated single-chip modem IC which provides the functions needed to construct a V.22bis compatible modem, capable of 2400 bps full-duplex operation over dial-up lines. The 73K324BL is an enhancement of the 73K324L singlechip modem which adds the hybrid hook switch control, and driver to the 73K324L. The 73K324BL integrates analog, digital, and switched-capacitor array functions on a single chip, offering excellent performance and a high level of functional integration in a 32-Lead PLCC package. The 73K324BL operates from a single +5 V supply for low power consumption. The 73K324BL is designed to appear to the systems designer as a microprocessor peripheral, and will easily interface with popular single-chip microprocessors (80C51 typical) for control of modem functions through its 8-bit multiplexed address/data bus or via an optional seria...