8-bit 8051 MCU, 2KB Flash, 20-Pin SOP, 20MHz, 5V
8-bit 8051 MCU, 16KB Flash, 20-Pin SOP, 20MHz, 5.5V
8-bit 8051 CISC MCU, 4KB Flash, 20-Pin SOP, 20MHz
8-bit 8051 MCU, 20MHz, 8KB Flash, 20-Pin SOP, 5V
W79E822ASG 8051 18-Pin SOIC Microcontroller
