74LS   データシート

Fairchild Semiconductor

Hex/Quad D-Type Flip-Flops with Clear

Renesas Electronics

Octal Buffers / Line Drivers / Line Receivers (inverted three-state outputs)

Hitachi -> Renesas Electronics

Quadruple 2-input Multiplexers(with storage)

Fairchild Semiconductor

3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops

Hitachi -> Renesas Electronics

4-Bit Binary Full Adders (with Fast Carry)

Hitachi -> Renesas Electronics

8 Line to 3 Line octal Priority Encoders

Motorola => Freescale

BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS

Hitachi -> Renesas Electronics

Hex/Quadruple D-type Flip-Flips(with clear)

System Logic Semiconductor

Octal 3-State Noninverting Buffer/Line Driver/Line Receiver