8-bit 8051 MCU, 16KB Flash, 20-Pin SOP, 20MHz, 5.5V
8-bit 8051 CISC MCU, 16KB Flash, 20-Pin SSOP, 5.5V
8-bit 8051 CISC MCU, 16KB Flash, 20-Pin DIP
8-bit 8051 MCU, 20MHz, 8KB Flash, 20-Pin SOP, 5V
16KB 8051 Microcontroller, 18 I/Os, 256B RAM, I2C, UART, USART, SOIC
