8-Bit MCU 4KB Flash 24MHz 5V 20-Pin PDIP Industrial
8-Bit MCU, 24MHz, FLASH, 128B RAM, 20-Pin DIP
ATMEL AT89C4051-24PU 8 Bit Microcontroller, High Performance CMOS, AT89C4051, 24 MHz, 4 KB, 128 Byte, 20 Pins, DIP