74LS   数据手册 ( 数据表 )

ON Semiconductor

8CD-to-Seven-Segment Decoders/Drivers

Fairchild Semiconductor

BCD TO 7-SEGMENT DECODER / DRIVER

Motorola => Freescale

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

Fairchild Semiconductor

Quad 2-Input NAND Gate

Hitachi -> Renesas Electronics

Dual 2-line-to-4-line Decoders/Demultiplexers

Silicon Supplies

Low Power Schottky Logic

ON Semiconductor

8-Input Multiplexer with 3-State Outputs

Motorola => Freescale

3-STATE HEX BUFFERS LOW POWER SCHOTTKY

Fairchild Semiconductor

Octal Bus Transceiver