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MSM7512B

1200 bps Half Duplex FSK Modem – ITU-T V.23

Oki Electric Industry 

E2A0014-16-X0

¡ SemicondSucetormiconductor

MSM7512B

1200 bps Half Duplex FSK Modem – ITU-T V.23

This version: MJaSnM. 71599182B

Previous version: Nov. 1996

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)

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