Download 74LS20 Datasheet PDF
National Semiconductor
74LS20
Description This device contains two independent gates each of which performs the logic NAND function Features 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-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range b 55 C to a 125 C DM54LS and...