W79E4051ARG 8051 Core Microcontroller, 4KB FLASH, 17 I/Os, -40°C to 85°C, SSOP
8051-Based Microcontroller, 4KB FLASH, 17 I/Os, DIP Package, -40°C to 85°C
W79E4051ASG 8051 Core UART/USART Microcontroller, 4KB FLASH, 17 I/Os, -40°C to 85°C
8-bit Microcontroller with an in-system programmable flash
W79E2051ARG 8051 Core UART/USART Microcontroller, 2KB FLASH, 17 I/Os, SSOP
