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DM5447A - BCD to 7-Segment Decoders/Drivers

Description

The 46A and 47A feature active-low outputs designed for driving common-anode LEDs or incandescent indicators directly All of the circuits have full ripple-blanking input output controls and a lamp test input Segment identification and resultant displays are shown on a following page Display patterns

Features

  • Y Y Y Y All circuit types feature lamp intensity modulation capability Open-collector outputs drive indicators directly Lamp-test provision Leading trailing zero suppression Connection Diagram Dual-In-Line Package TL F 6518.
  • 1 Order Number DM5447AJ DM7446AN or DM7447AN See NS Package Number J16A or N16E C1995 National Semiconductor Corporation TL F 6518 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contac.

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Datasheet Details

Part number DM5447A
Manufacturer National Semiconductor
File Size 118.74 KB
Description BCD to 7-Segment Decoders/Drivers
Datasheet download datasheet DM5447A Datasheet
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Full PDF Text Transcription

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DM7446A DM5447A DM7447A BCD to 7-Segment Decoders Drivers June 1989 DM7446A DM5447A DM7447A BCD to 7-Segment Decoders Drivers General Description The 46A and 47A feature active-low outputs designed for driving common-anode LEDs or incandescent indicators directly All of the circuits have full ripple-blanking input output controls and a lamp test input Segment identification and resultant displays are shown on a following page Display patterns for BCD input counts above nine are unique symbols to authenticate input conditions All of the circuits incorporate automatic leading and or trailing-edge zero-blanking control (RBI and RBO) Lamp test (LT) of these devices may be performed at any time when the BI RBO node is at a high logic level All types contain an overriding blanking input (BI) w
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