SE555FKB,PRECISION TIMER 20-LCCC -55 TO 1
SE555JG,PRECISION TIMER 8-CDIP -55 TO 12
SE555JGB,PRECISION TIMER 8-CDIP -55 TO 12
【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,