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74LS20 - Dual 4-Input NAND Gates

General Description

This device contains two independent gates each of which performs the logic NAND function

Key Features

  • Y Alternate Military Aerospace device (54LS20) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6355.
  • 1 Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB DM54LS20J DM54LS20W DM74LS20M or DM74LS20N See NS Package Number E20A J14A M14A N14A or W14B Function Table Y e ABCD Inputs A X X X L H B X X L X H C X L X X H D L X X X H Output Y H H H H L H e High Logic Level L e Low Logic Level X e Either Low or.

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📁 Similar Datasheet

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
74LS240 Octal TRI-STATE Buffers/Line Drivers/Line Receivers
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74LS245 TRI-STATE Octal Bus Transceiver
74LS256 Dual 4-Bit Addressable Latch
74LS257 TRI-STATE Quad 2-Data Selectors/Multiplexers
74LS257B Quad 2-Data Selectors/Multiplexers
74LS258B Quad 2-Data Selectors/Multiplexers
74LS273 8-Bit Register
74LS279 Quad S-R Latches
74LS283 4-Bit Binary Adders

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates June 1989 54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates General Description This device contains two independent gates each of which performs the logic NAND function Features Y Alternate Military Aerospace device (54LS20) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6355 – 1 Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB DM54LS20J DM54LS20W DM74LS20M or DM74LS20N See NS Package Number E20A J14A M14A N14A or W14B Function Table Y e ABCD Inputs A X X X L H B X X L X H C X L X X H D L X X X H Output Y H H H H L H e High Logic Level L e Low Logic Level X e Either Low or High Logic Level C1995 National Semiconductor Corporation TL F 6355 RRD-B3