89C52RC-40C-LQFP44G 89C52RC-40C-P 89C52RC-40C-PDIP 89C52RC40C-PDIP 89C52RC-40C-PDIP40 89C52RC-40C-PLCC 89C52RC-40C-PLCC44 89C52RC-40C-PQEP 89C52RC-40C-PQFP 89C52RC-40C-PQFP44