IC Mcu 8 Bit Romless 40DIP
80C51 8051 Core 30MHz UART/USART 32I/O DIP Through Hole
80C51 40MHz 32-Bit 8051 Microcontroller, UART/USART, LCC, -40°C to 85°C
80C51 40MHz 32-Pin QFP 8051 Microcontroller