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DM74LS20 Datasheet(PDF) 2 Page - Texas Instruments |
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DM74LS20 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 8 page 
TLF6355 June 1989 54LS20DM54LS20DM74LS20 Dual 4-Input NAND Gates General Description This device contains two independent gates each of which performs the logic NAND function Features Y Alternate MilitaryAerospace device (54LS20) is avail- able Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TLF6355 – 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 Output AB C D Y XX X L H XX L X H XL X X H LX X X H HH 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 RRD-B30M105Printed in U S A |
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