8-Bit 80C51 MCU, 33MHz, 8KB OTP, QFP-44
P87C58SBBB,557
MCU 8-bit P87 80C51 CISC 4KB EPROM 3.3V/5V 44-Pin PQFP
MCU 8-bit P87 80C51 CISC 8KB EPROM 3.3V/5V 44-Pin PQFP
