【Texas Instruments】SN74121D,IC MONOSTABLE MULTIVIB 14-SOIC
【Texas Instruments】SN74121DE4,IC MONOSTABLE MULTIVIB 14-SOIC
【Texas Instruments】SN74121DG4,IC MONOSTABLE DUAL 14SOIC
【Texas Instruments】SN74121DR,IC MONOSTABLE MULTIVIB 14-SOIC
【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