【STMicroelectronics】SE555N,IC OSC MONO TIMING 500KHZ 8-DIP
【Texas Instruments】SE555P,IC OSC MONO TIMING 8-DIP
SE555QS-13,IC OSC SGL TIMER SO-8
【Texas Instruments】SE556J,
SE556JB,DUAL PRECISION TIMER 14-CDIP -55
SE56,BK,MICRO CASE W/PADDED LINER AND PL
SE56,BL,MICRO CASE W/PADDED LINER AND PL
