SN74LS54
3-2-2-3-INPUT AND-OR-INVERT GATE (Motorola)
SN74LS54
4-Wide AND-OR-Invert Gate (Texas Instruments)
SN74LS540
Octal buffer/line driver (Motorola Semiconductor)
SN74LS540
Octal Buffers And Line Driver (Texas Instruments)
SN74LS541
Octal buffer/line driver (Motorola Semiconductor)
SN74LS541
Octal Buffer/Line Driver (ON Semiconductor)
SN74LS51
DUAL 2-WIDE 2-INPUT / 3-INPUT AND-OR-INVERT GATE (Motorola)
SN74LS51
AND-OR-INVERT GATE (Texas Instruments)
SN74LS55
2-WIDE 4-INPUT AND-OR-INVERT GATE (Motorola)
SN74LS56
Frequency Dividers (ETCTI)