74LS54
AND-OR-INVERT Gates (Hitachi Semiconductor)
74LS54
3-2-2-3-INPUT AND-OR-INVERT GATE (Motorola)
74LS540
OCTAL BUFFER/LINE DRIVER (ON Semiconductor)
74LS541
OCTAL BUFFER/LINE DRIVER (ON Semiconductor)
74LS503
8-Bit Successive Approximation Register (National Semiconductor)
74LS503
8-Bit Successive Approximation Register (Fairchild Semiconductor)
74LS51
AND-OR-INVERT Gate (Fairchild Semiconductor)
74LS51
AND-OR-INVERT Gates (Hitachi Semiconductor)
74LS569A
FOUR-BIT UP/DOWN COUNTER (Motorola)
74LS573
Octal D-Type Latch (Fairchild Semiconductor)