STC89C52RC-40C-LQF
STC89C52RC-40C-LQFP
STC89C52RC-40C-LQFP44G
STC89C52RC40C-LQFP44G
STC89C52RC-40C-PDI
STC89C52RC-40C-PDIP
STC89C52RC-40C-PDIP40
STC89C52RC-40C-PLC
STC89C52RC-40C-PLCC
STC89C52RC-40C-PLCC44