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DM74LS47 - BCD to 7-Segment Decoder/Driver

General Description

The DM74LS47 accepts four lines of BCD (8421) input data, generates their complements internally and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly.

Key Features

  • s Open-collector outputs s Drive indicator segments directly s Cascadable zero-suppression capability s Lamp test input Ordering Code: Order Number DM74LS47M DM74LS47N Package Number M16A N16E Package.

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Full PDF Text Transcription for DM74LS47 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for DM74LS47. For precise diagrams, tables, and layout, please refer to the original PDF.

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DM74LS47 BCD to 7-Segment Decoder/Driver with Open-Collector Outputs October 1988 Revised March 2000 DM74LS47 BCD to 7-Segment Decoder/Driver with Open-Collector Outputs General Description The DM74LS47 accepts four lines of BCD (8421) input data, generates their complements internally and decodes the data with seven AND/OR gates having open-collector outputs to drive indicator segments directly. Each segment output is guaranteed to sink 24 mA in the ON (LOW) state and withstand 15V in the OFF (HIGH) state with a maximum leakage current of 250 µA. Auxiliary inputs provided blanking, lamp test and cascadable zero-suppression functions.