W79E4051RAKG 8051 Microcontroller, 4KB FLASH, 17 I/Os, DIP Package
8051-Based Microcontroller, 4KB FLASH, 17 I/Os, DIP Package, -40°C to 85°C
Microcontroller,
8-bit Microcontroller with an in-system programmable flash
W79E4051RASG 8051 Microcontroller, 4KB FLASH, UART, USART, SOIC-28