74LS393   데이터시트

Motorola => Freescale

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER LOW POWER SCHOTTKY

Fairchild Semiconductor

Dual 4-Bit Binary Counter

Hitachi -> Renesas Electronics

Dual 4-bit Binary Counters

Motorola => Freescale

8-INPUT NAND GATE

Fairchild Semiconductor

Quad 2-Input NAND Buffer with Open-Collector Outputs

Fairchild Semiconductor

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

Hitachi -> Renesas Electronics

8 Input Positive NAND Gate

Motorola => Freescale

QUAD 2-INPUT NOR BUFFER

Hitachi -> Renesas Electronics

Quadple 2-input Positive OR Gates

ON Semiconductor

8-INPUT NAND GATE

Fairchild Semiconductor

Quad 2-Input OR Gate

Motorola => Freescale

QUAD 2-INPUT NAND BUFFER