AS7C251MFT36A Datasheet | Alliance Semiconductor Corporation

Features - - - - - - - Organization: 1,048,576 words × 32 or 36 bits Fast clock to data access: 7.5/8.5/10 ns Fast OE access time: 3.5/4.0 ns Fully synchronous flow-through operation Asynchronous output enable control Available in 100-pin TQFP package Individual byte write and global write - - - - - Multiple chip enables for easy expansion 2.5V core power supply Linear or interleaved burst control Snooze mode for reduced power-standby mon data inputs and data outputs .. Logic block diagram LBO CLK ADV ADSC ADSP A[19:0] 20 CLK CE CLR Q0 Burst logic Q1 2 2 D Q CE Address register CLK D DQd Q Byte write registers CLK D DQ Q c Byte write registers CLK D DQb Q Byte write registers CLK D DQa Q Byte write registers CLK D Enable CE register CLK Q 1M × 32/36 Memory array 20 32/36 32/36 GWE BWE BWd BWc BWb BWa CE0 CE1 CE2 OE Output registers CLK Input registers CLK Power down D Enable Q delay register CLK 32/36 DQ[a:d] Selection guide Minimum cycle time Maximum clock access time Maximum operating current Maximum standby current Maximum CMOS standby current (DC) -75 8.5 7.5 325 130 90 -85 10 8.5 300 130 90 -10 12 10 275 130 90 Units ns ns m A m A m A 1/17/05, v 1.2 Alliance Semiconductor 1 of 19 Copyright © Alliance Semiconductor. All rights reserved. AS7C251MFT32A AS7C251MFT36A ®...