74LS21 DUAL 4-INPUT AND GATE
74LS22 DUAL 4-INPUT SCHMITT NAND GATE - OPEN COLLECTOR
74LS26 QUAD 2-INPUT NAND GATE - OPEN COLLECTOR
74LS27 TRIPLE 3-INPUT NOR GATE
74LS28 QUAD 2-INPUT NOR BUFFER
74LS30 8-INPUT NAND GATE
74LS32 QUAD 2-INPUT OR GATE
74LS33 QUAD 2-INPUT NOR GATE BUFFER - OPEN COLLECTOR
74LS37 QUAD 2-INPUT NAND GATE BUFFER
74LS38 QUAD 2-INPUT NAND GATE - OPEN COLLECTOR
74LS40 DUAL 4-INPUT NAND GATE
74LS42 BCD TO DECIMAL DECODER 1-OF-10
74LS47 BCD TO 7-SEGMENT DECODER / DRIVER - OPEN COLLECTOR
74LS48 BCD TO 7-SEGMENT DECODER / DRIVER
74LS49 BCD TO SEVEN SEGMENT DECODER / DRIVER
74LS51 DUAL 3-INPUT+ DUAL 2-INPUT AND-OR-INVERT GATES
74LS54 DUAL 3-INPUT+ DUAL 2-INPUT AND-OR-INVERT GATES
74LS55 DUAL 4-INPUT AND-OR-INVERT GATE