80C51 16MHz 8b 4KB OTP PLCC 32I/O
8-bit MCU, 16MHz, 44-Pin LCC, 5V, 128B RAM, 4KB OTPROM
P87C51SBAA.512
8-bit MCU 80C51 CISC 16KB EPROM 16MHz PLCC
8-bit MCU, 80C51 Core, 8KB OTP, 33MHz, PLCC, 32 I/O
Microcontroller 8 Bit PLCC-44, P87C52SBAA-512, NXP