74LS2   데이터시트

Hitachi -> Renesas Electronics

Triple 3-input Positive NOR Gates

Motorola => Freescale

QUAD 2-INPUT NOR BUFFER

Motorola => Freescale

DUAL 4-INPUT AND GATE

Motorola => Freescale

DUAL 4-INPUT NAND GATE LOW POWER SCHOTTKY

Unspecified

TRIPLE 3-INPUT NOR GATE

Unspecified

DUAL 4-INPUT POSITIVE AND GATE

ON Semiconductor

Octal Buffer / Line Driver with 3-State Outputs

Hitachi -> Renesas Electronics

8CD-to-Seven-Segment Decoders/Drivers(with 15V outputs)

Fairchild Semiconductor

3-STATE 1-of-8 Line Data Selector/Multiplexer