【Fairchild Semiconductor】SA555DX,IC OSC MONO TIMING 8-SOP
【STMicroelectronics】SA555N,IC OSC MONO TIMING 500KHZ 8DIP
【Texas Instruments】SA555P,IC OSC MONO TIMING 500KHZ 8-DIP
【Texas Instruments】SA555PE4,IC OSC MONO TIMING 500KHZ 8-DIP
【Texas Instruments】SA555PG4,
SA555S-13,IC OSC MONO TIMING SO8
【STMicroelectronics】SA556D,IC OSC TIMER DUAL 500KHZ 14-SOIC
【STMicroelectronics】SA556DT,IC OSC TIMER DUAL 500KHZ 14SOIC