DS89C420-MCS,IC MCU 50MHZ ULTRA HS 40-DIP
DS89C420-MNL,IC MCU ULTRA 33MHZ HP 40-DIP
DS89C420-QCL,IC MCU ULTRA 33MHZ HP 44-PLCC
DS89C420-QNG,IC MCU ULTRA 25MHZ HP 44-PLCC
DS89C420-QNL,IC MCU ULTRA 33MHZ HP 44-PLCC
DS89C430-ENG,IC MCU FLASH 16KB 25MHZ 44-TQFP
DS89C430-ENG+,IC MCU FLASH 16KB 25MHZ 44-TQFP
DS89C430-ENL,IC MCU FLASH 16KB 33MHZ 44-TQFP