74LS1   데이터시트

Motorola => Freescale

QUAD 2-INPUT MULTIPLEXER LOW POWER SCHOTTKY

Motorola => Freescale

8-BIT SHIFT REGISTERS LOW POWER SCHOTTKY

Motorola => Freescale

PRESETTABLE BCD/DECADE PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

Unspecified

LSTTL Dual 4-input NAND

Hitachi -> Renesas Electronics

Synchronous Up / Down Decade Counters (dual clock lines)

Hitachi -> Renesas Electronics

8 Line to 3 Line octal Priority Encoders

Fairchild Semiconductor

Hex/Quad D-Type Flip-Flops with Clear

Renesas Electronics

1-of-8 Data Selector / Multiplexer

Motorola => Freescale

BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS