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54LS20 - 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 Obsolete Function Table Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB DM54LS20J DM54LS20W DM74LS20M or DM74LS20N See NS Package Number E20A J14A M14A N14A or W14B TL F 6355.
  • 1 Y e ABCD Inputs A B CD X X XL X X LX X L XX L X XX H H HH H e High Logic Level L e Low Logic Level X e Either Low or High Logic Lev.

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Other Datasheets by National Semiconductor (now Texas Instruments)

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54LS21 Dual 4-Input AND Gates
54LS22 Dual 4-Input NAND Gates
54LS240 Octal TRI-STATE Buffer / Line Drivers / Line Receivers
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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 Obsolete Function Table Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB DM54LS20J DM54LS20W DM74LS20M or DM74LS20N See NS Package Number E20A J14A M14A N14A or W14B TL F 6355 – 1 Y e ABCD Inputs A B CD X X XL X X LX X L XX L X XX H H HH H e High Logic Level L e Low Logic Level X e Either Low or High Logic Level Output Y H H H H L C1995 National Semiconductor Corporation TL F 6355 R