8-Bit 60MHz MCU 64KB Flash 50 I/O PLCC SM
8-bit MCU 80C51 CISC 40MHz 64KB Flash 3.3V/5V PLCC
IC MCU FLASH 8051 64K 5V 68PLCC
8-Bit MCU, 8051, 60MHz, FLASH, 68-Pin PQCC
IC MCU 8BIT 64KB FLASH 68PLCC