TEXAS SN74LS03N 74LS03N PDIP-14 ORIGINAL (CROSS OF HD74LS03P 74LS03P 74LS03PC)

Texas Instruments SN74HC03N 4-Ch, 2-input NAND Gates O/Drain Integrated Circuit

Texas Instruments SN74LS20N 2-ch, 4-input bipolar NAND gates Integrated Circuit

Fairchild 74HC20AP 2-ch, 4-input bipolar NAND gates Integrated Circuit

Texas Instruments SN74LS20N 2-ch, 4-input bipolar NAND gates Integrated Cir

Texas Instruments SN74LS37N quad 2-input positive NAND buffers Integrated Cir

Texas Instruments SN74LS26N 4-ch, 2-in bipolar NAND gates Integrated Circuit

Texas Instruments SN74132N quad 2-input NAND gates w/Schmitt Integrated circuit