【Texas Instruments】SN74LS540N,IC INVERTER 8-INPUT 20DIP
【Texas Instruments】SN74LS540NE4,IC INVERTER 8-INPUT 20DIP
SN74LS540NS,PROTOTYPE
【Texas Instruments】SN74LS540NSR,IC BUFF/DVR 3-ST OCTAL 20SOP
【Texas Instruments】SN74LS540NSRE4,IC INVERTER 8-INPUT 20SOP
【Texas Instruments】SN74LS540NSRG4,IC INVERTER 8-INPUT 20SOP
SN74LS541DBR,IC BUF NON-INVERT 5.25V 20SSOP
SN74LS541DBRG4,IC BUF NON-INVERT 5.25V 20SSOP