74LS393   数据手册 ( 数据表 )

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

Quad 2-Input OR Gate

Hitachi -> Renesas Electronics

Quadruple 2-input Positive NAND Buffers(with Open Collector Outputs)

Hitachi -> Renesas Electronics

Quadruple 2-input Positive NAND Buffers

Motorola => Freescale

QUAD 2-INPUT OR GATE

Renesas Electronics

Octal D-type Edge-triggered Flip-Flips(with three-state outputs)

Motorola => Freescale

4-bit shift register with 3-state outputs

Hitachi -> Renesas Electronics

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

Fairchild Semiconductor

Octal D-Type Flip-Flop with Common Enable and Clock

Motorola => Freescale

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