8-bit 8051 CISC MCU, 4KB Flash, 20-Pin SOP, 20MHz
8-bit 8051 MCU, 4KB Flash, 20-Pin SSOP, 20MHz, 5V
8-bit 8051 MCU, 16KB Flash, 20-Pin SOP, 20MHz, 5.5V
8-bit 8051 MCU, 20MHz, 8KB Flash, 20-Pin SOP, 5V
Microcontroller, 8-Bit, FLASH, 8051 CPU, 20MHz, CMOS, PDSO20,
