8-bit MCU, 80C51, 33MHz, 4KB EPROM, 32 I/O, PLCC
P87C52X2BA.512
8-bit MCU 80C51 CISC 33MHz 8KB EPROM 5V 44-Pin LCC
8-bit MCU, 33MHz, 4KB OTP/EPROM, 32 I/O, PLCC
8-bit MCU 33MHz 16KB EPROM 5V 44-Pin PLCC
