SN74HC540N
Manufacturers：
Texas Instruments
Description：
IC INVERTER 8-INPUT 20DIP
SN74HC540NE4
Manufacturers：
Texas Instruments
Description：
IC INVERTER 8-INPUT 20DIP
SN74HC540NSR
Manufacturers：
Texas Instruments
Description：
IC BUFF/DVR 3-ST OCTAL 20SO
SN74HC540NSRG4
Manufacturers：
Texas Instruments
Description：
IC INVERTER 8-INPUT 20SO