SN74AHCT540N
Manufacturers：
Texas Instruments
Description：
IC INVERTER 8-INPUT 20DIP
SN74AHCT540NSR
Manufacturers：
Texas Instruments
Description：
IC BUFF/DVR 3ST OCTAL 20SO
SN74AHCT540NSRE4
Manufacturers：
Texas Instruments
Description：
IC INVERTER 8-INPUT 20SO