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U2391B - Quartz Controlled Pulse Generator

General Description

The monolithic integrated bipolar circuit, U2391B, is designed as a quartz controlled pulse generator.

The tristate input enables the selection of different pulse period durations.

The internal switch-on monitoring achieves the start up of the IC when the power-on occurs.

Key Features

  • D D D D D D D D Standard quartz fosc = 32.768 kHz Minimum operating voltage 4.5 V/1.5 mA Pulse width, tp = 31.25 ms Power stage with current limitation: typical 150 mA Tristate period selection: 1/36/60 s Reset and disable possibility Operation with C 33 pF, as operational time counter possible Minimum dimensions due to SO-case.

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U2391B Quartz Controlled Pulse Generator Description The monolithic integrated bipolar circuit, U2391B, is designed as a quartz controlled pulse generator. The tristate input enables the selection of different pulse period durations. The internal switch-on monitoring achieves the start up of the IC when the power-on occurs. The output pulse can supply a drive signal upto 150 mA, which is short circuit protected. Features D D D D D D D D Standard quartz fosc = 32.768 kHz Minimum operating voltage 4.5 V/1.5 mA Pulse width, tp = 31.