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AS7C25512NTD36A-133TQCN Datasheet(PDF) 1 Page - Alliance Semiconductor Corporation |
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AS7C25512NTD36A-133TQCN Datasheet(HTML) 1 Page - Alliance Semiconductor Corporation |
1 / 18 page December 2004 Copyright © Alliance Semiconductor. All rights reserved. ® AS7C25512NTD32A AS7C25512NTD36A 12/23/04, v 2.2 Alliance Semiconductor P. 1 of 18 2.5V 512K × 32/36 Pipelined SRAM with NTDTM Features • Organization: 524,288 words × 32 or 36 bits •NTD™architecture for efficient bus operation • Fast clock speeds to 166 MHz • Fast clock to data access: 3.5/3.8 ns •Fast OE access time: 3.5/3.8 ns • Fully synchronous operation • Asynchronous output enable control • Available in 100-pin TQFP package • Individual byte write and global write • Clock enable for operation hold • Multiple chip enables for easy expansion • 2.5V core power supply • Self-timed write cycles • Interleaved or linear burst modes • Snooze mode for standby operation Logic block diagram Selection guide -166 -133 Units Minimum cycle time 6 7.5 ns Maximum clock frequency 166 133 MHz Maximum clock access time 3.5 3.8 ns Maximum operating current 290 270 mA Maximum standby current 85 75 mA Maximum CMOS standby current (DC) 40 40 mA Address D Q CLK register Output Register DQ[a,b,c,d] 19 19 CLK CE0 CE1 CE2 A[18:0] OE CLK CEN Control CLK logic Data D Q CLK Input Register 32/36 32/36 OE 512K x 32/36 SRAM Array R/W DQ[a,b,c,d] BWb BWd CLK Q D ADV / LD LBO Burst logic addr. registers Write delay 19 ZZ CLK 32/36 32/36 32/36 32/36 BWc BWa |
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