74LS670M   数据手册 ( 数据表 )

Fairchild Semiconductor

3-STATE 4-by-4 Register File

Motorola => Freescale

OCTAL BUS TRANSCEIVERS LOW POWER SCHOTTKY

Renesas Electronics

Octal Bus Transceivers (non-inverted 3-state outputs)

Hitachi -> Renesas Electronics

4-by-4 Register File (with three-state outputs)

Motorola => Freescale

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

ON Semiconductor

8-Bit Magnitude Comparitors

Fairchild Semiconductor

3-STATE 4-by-4 Register File

Motorola => Freescale

8-BIT MAGNITUDE/IDENTITY COMPARATORS

ON Semiconductor

Octal Bus Transceivers

ON Semiconductor

Octal Bus Transceivers