8-Bit MCU 4KB OTP 20MHz I2C UART 18 I/O PDIP
8-bit 80C51 MCU, 20MHz, 2KB EPROM, I2C, UART, 5V, PDIP
8-bit MCU 80C51 4KB EPROM 20MHz I2C UART 3.3V/5V PDIP
8-bit MCU, 80C51, 20MHz, 4KB EPROM, 5V, PDIP
MICRO MICRO with 4KB OTP 8bit A/D & pulse width modulator
