74LS393   Datasheet

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

Fairchild Semiconductor

Dual 4-Bit Decade Counter

Motorola => Freescale

3-STATE HEX BUFFERS

Motorola => Freescale

OCTAL D FLIP-FLOP WITH ENABLE; HEX D FLIP-FLOP WITH ENABLE; 4-BIT D FLIP-FLOP WITH ENABLE

Fairchild Semiconductor

Dual 4-Bit Binary Counter

Motorola => Freescale

3-STATE HEX BUFFERS LOW POWER SCHOTTKY

Motorola => Freescale

4-bit D latch

Motorola => Freescale

8-INPUT PRIORITY ENCODERS WITH 3-STATE OUTPUTS

Renesas Electronics

Hex Bus Drivers (non-inverted data outputs with three-state outputs)

ON Semiconductor

Octal D flip-Flop with Enable