【Texas Instruments】SN74LS90DG4,IC COUNTER DECADE 4BIT 14SOIC
【Texas Instruments】SN74LS90DR,IC DECADE COUNTER 14-SOIC
【Texas Instruments】SN74LS90DRE4,IC DECADE COUNTER/DIVIDER 14SOIC
【Texas Instruments】SN74LS90DRG4,IC COUNTER DECADE 4BIT 14SOIC
【Texas Instruments】SN74LS90N,IC DECADE COUNTER 14-DIP
【Texas Instruments】SN74LS90NE4,IC DECADE COUNTER 14-DIP
【Texas Instruments】SN74LS92D,IC COUNTER DIVIDE X12 14SOIC
【Texas Instruments】SN74LS92DE4,IC COUNTER DIVIDE X12 14SOIC