The DP8417 8418 8419 8419X represent a family of 256k DRAM Controller Drivers which are designed to provide ``No-Waitstate'' CPU interface to Dynamic RAM arrays of up to 2 Mbytes and larger Each device offers slight functional variations of the DP8419 design which are tailored for different system requirements All family members are fabricated using National's new oxide isolated Advanced Low power Schottky (ALS) process and use design techniques which enable them to significantly out-perform all other LSI or discrete alternatives in speed level of integration and power consumption