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DS7880 - High Voltage 7-Segment Decoder/Driver

Description

The DS7880 DS8880 is custom designed to decode four lines of BCD and drive a gas-filled seven-segment display tube Each output constitutes a switchable adjustable current sink which provides constant current to the tube segment even with high tube anode supply tolerance or fluctuation These current

Features

  • Y Y Y Y Y Y Current sink outputs Adjustable output current 0 2 to 1 5 mA High output breakdown voltage 110V typ Suitable for multiplex operation Blanking and Ripple Blanking provisions Low fan-in and low power Logic Diagram TL F 5845.
  • 1 C1995 National Semiconductor Corporation TL F 5845 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availabi.

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Datasheet Details

Part number DS7880
Manufacturer National Semiconductor
File Size 139.24 KB
Description High Voltage 7-Segment Decoder/Driver
Datasheet download datasheet DS7880 Datasheet
Additional preview pages of the DS7880 datasheet.

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DS7880 DS8880 High Voltage 7-Segment Decoder Driver March 1988 DS7880 DS8880 High Voltage 7-Segment Decoder Driver General Description The DS7880 DS8880 is custom designed to decode four lines of BCD and drive a gas-filled seven-segment display tube Each output constitutes a switchable adjustable current sink which provides constant current to the tube segment even with high tube anode supply tolerance or fluctuation These current sinks have a voltage compliance from 3V to at least 80V typically the output current varies 1% for output voltage changes of 3 to 50V Each bit line of the decoder switches a current sink on or off as prescribed by the input code Each current sink is ratioed to the b-output current as required for even illumination of all segments Output currents may be varied o
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