8-Bit MCU 8KB Flash 20MHz 40-Pin PDIP
8KB 8051 Microcontroller, 20MHz, 5.5V, VQFN-44
IC MCU 8BIT 8KB FLASH 44PLCC
IC MCU 8BIT 8KB FLASH 44TQFP
8-Bit FLASH MCU, 8051 CPU, 20MHz, 44-Pin PQCC