8-Bit 8051 Microcontroller, 1KB FLASH, 128B RAM, 12 I/Os, 18MHz, PDIP
80C51 MCU 1KB FLASH 8b 18MHz UART/USART TSSOP
IC 80C51 MCU FLASH 1K 8-SOIC
IC 80C51 MCU FLASH 2K 20-DIP
IC 80C51 MCU 2KB FLASH 14DIP