80C51 32-Bit Microcontroller, 40MHz, 5V, PLCC, -40°C to 85°C
8-Bit MCU, 40MHz, 5V, 32 I/O, 512B RAM, PQFP44
80C51 40MHz 32I/O 3Timer UART/USART Microcontroller, PLCC, 0-70°C
IC Mcu 8 Bit Romless 40DIP
IC Mcu 8 Bit Romless 44PLCC
IC Mcu 8 Bit Romless 44VQFP
