【Texas Instruments】SN74121DRE4,IC MONOSTABLE MULTIVIB 14-SOIC
【Texas Instruments】SN74121DRG4,IC MONOSTABLE DUAL 14SOIC
【Texas Instruments】SN74121N,IC MONOSTABLE MULTIVIB 14-DIP
【Texas Instruments】SN74121NE4,IC MONOSTABLE MULTIVIB 14-DIP
【Texas Instruments】SN74121NSR,IC MONOSTABLE MULTIVIB 14-SOP
【Texas Instruments】SN74121NSRE4,IC MONOSTABLE MULTIVIB 14-SOP
【Texas Instruments】SN74121NSRG4,IC MONOSTABLE DUAL 14SOP
【Texas Instruments】SN74123N,IC RETRIG MONOSTB MULTIVIB 16DIP