74LS20   데이터시트

Motorola => Freescale

DUAL 4-INPUT NAND GATE LOW POWER SCHOTTKY

Motorola => Freescale

DUAL 4-INPUT AND GATE

Motorola => Freescale

DUAL 4-INPUT NAND GATE LOW POWER SCHOTTKY

Hitachi -> Renesas Electronics

DUal 4-Input Positive AND Gates

Unspecified

DUAL 4-INPUT POSITIVE AND GATE

Hitachi -> Renesas Electronics

Triple 3-input Positive NOR Gates

Motorola => Freescale

QUAD 2-INPUT NOR BUFFER

Fairchild Semiconductor

Octal 3-STATE Buffer/Line Driver/Line Receiver

Fairchild Semiconductor

Quad 2-Input Exclusive-NOR Gate with Open-Collector Outputs

ON Semiconductor

Octal D Flip-Flop with Clear