Part # 74LS20 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates

Part Details:

54LS20DM54LS20DM74LS20 June 1989 54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates General Description Features This device contains two independent gates each of which Y Alternate Military Aerospace device (54LS20) is avail- performs the logic NAND function able Contact a National Semiconductor Sales OfficeDistributor for specifications Connection Diagram Dual-In-Line Package Dual 4-Input NAND Gates 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 Output A B C D Y X X X L H X X L X H X L X X H L X X X H H H H H L H e High Logic Level

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74LS20.pdf Datasheet