DS89C450-KIT#,KIT MCU FLASH ULTRA HIGH SPEED
DS89C450-MNG,IC MCU FLASH 64KB 25MHZ 40-DIP
DS89C450-MNG+,IC MCU FLASH 64KB 25MHZ 40-DIP
DS89C450-MNL,IC MCU FLASH 64KB 33MHZ 40-DIP
DS89C450-MNL+,IC MCU FLASH 64KB 33MHZ 40-DIP
DS89C450-QNG,IC MCU FLASH 64KB 25MHZ 44-PLCC
DS89C450-QNG+,IC MCU FLASH 64KB 25MHZ 44-PLCC
DS89C450-QNL,IC MCU FLASH 64KB 33MHZ 44-PLCC