74LS   데이터시트

Mitsumi

OCTAL BUFFER/LINE DRIVERS WITH 3-STATE OUTPUT(NONINVERTED)

ON Semiconductor

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

Hitachi -> Renesas Electronics

8 Input Positive NAND Gate

Hitachi -> Renesas Electronics

4-wide 2-input, 3-input AND-OR-INVERT Gates

Renesas Electronics

Quadruple 2-Input Positive AND Gates

Motorola => Freescale

QUAD 2-INPUT NOR BUFFER

Fairchild Semiconductor

Triple 3-Input NAND Gate

System Logic Semiconductor

Quad 2-input exlusive OR gate

Hitachi -> Renesas Electronics

DUal 4-Input Positive AND Gates