Contextual Info: 'SC INTEGRATED CIRCUIT T O S H IB A T O S H IB A M O S D IGITAL IN T E G R A T E D CIRCUIT TC 551664J - 15, TC551664J - 20. T C 5 5 1 6 6 4 J - 2 5 TECHNICAL D A T A SILICON G A T E C M O S PRELIM INARY 65,536 W O R D x 16 BIT C M O S STATIC RAM DESCRIPTION