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DM54LS20 - Dual 4-Input NAND Gates

Download the DM54LS20 datasheet PDF. This datasheet also covers the DM54LS20J variant, as both devices belong to the same dual 4-input nand gates family and are provided as variant models within a single manufacturer datasheet.

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 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (DM54LS20J_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
DM54LS21 Dual 4-Input AND Gates
DM54LS240 Octal TRI-STATE Buffers/Line Drivers/Line Receivers
DM54LS241 Octal TRI-STATE Buffers/Line Drivers/Line Receivers
DM54LS245 TRI-STATE Octal Bus Transceiver
DM54LS251 TRI-STATE Data Selectors/Multiplexers

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.

View original datasheet text
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 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 RRD-B30M105