【Texas Instruments】SN74LS540DWG4,IC INVERTER 8-INPUT 20SOIC
【Texas Instruments】SN74LS540DWR,IC INVERTER 8-INPUT 20SOIC
【Texas Instruments】SN74LS540DWRE4,IC INVERTER 8-INPUT 20SOIC
【Texas Instruments】SN74LS540DWRG4,IC INVERTER 8-INPUT 20SOIC
【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