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.
Note: The manufacturer provides a single datasheet file (DM54LS20J_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.
Full PDF Text Transcription for DM54LS20 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
DM54LS20. For precise diagrams, and layout, please refer to the original PDF.
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...
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D 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
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DM54LS20 Datasheet
