GENERAL DESCRIPTION

The MSM7512B is useful for the ITU-T V.23 modem, for examples, low cost built-in modems, telecontrol systems, home security systems, etc. The family version, MSM7510 for ITU-T V.21, will be available following this device. Oki has been mass-producing and delivering the MSM6926 and 6927 for a long time, but these

devices need two power supplies, +5 V for digital and +12 V for analog. New generation devices, MSM7510/7512B, work with single rail +3 V to +5 V and low power consumption.

FEATURES

? Conforms to ITU-T V.23, 1200 bps Half Duplex

? Conforms to ITU-T V.23, 75 bps transmitter

? Single Power Supply: +3 V to +5 V

? Low Power Consumption

Operating Mode: 25 mW Typ.

Power Down Mode: 0.1 mW Max.

? Line Hybrid Circuit on Chip

? Line Direct Drive Capability of Analog Output

? 3.579545 MHz Crystal Oscillator

? Digital Interface: TTL

? Package options:

16-pin plastic DIP (DIP16-P-300–2.54) (Product name: MSM7512BRS)

24-pin plastic SOP (SOP24-P-430-1.27–K) (Product name: MSM7512BGS-K)