8051 MCU 40MHz 8b ROMless 32 I/O 40DIP Through Hole
8-Bit MCU, 40MHz, 512B RAM, 32 I/O, Industrial, DIP-40
80C51 8b 30MHz UART/USART Microcontroller, 32 I/Os, DIP Package
8-Bit 8051 MCU, 30MHz, 40-Pin DIP, Industrial
