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AS7C33128NTD18B-133TQC Datasheet(PDF) 1 Page - Alliance Semiconductor Corporation |
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AS7C33128NTD18B-133TQC Datasheet(HTML) 1 Page - Alliance Semiconductor Corporation |
1 / 19 page April 2005 Copyright © Alliance Semiconductor. All rights reserved. ® AS7C33128NTD18B 4/28/05; v.1.3 Alliance Semiconductor P. 1 of 19 3.3V 128K×18 Pipelined SRAM with NTDTM ® Features • Organization: 131,072 words × 18 bits •NTD™ architecture for efficient bus operation • Fast clock speeds to 200 MHz • Fast clock to data access: 3.0/3.5/4.0 ns •Fast OE access time: 3.0/3.5/4.0 ns • Fully synchronous operation • Asynchronous output enable control • Available in 100-pin TQFP package • Byte write enables • Clock enable for operation hold • Multiple chip enables for easy expansion • 3.3V core power supply • 2.5V or 3.3V I/O operation with separate VDDQ • Self-timed write cycles • Interleaved or linear burst modes • Snooze mode for standby operation Logic block diagram Address D Q CLK register Output Register DQ [a:b] 18 18 17 17 CLK CE0 CE1 CE2 A[16:0] OE CLK CEN Control CLK logic Data D Q CLK Input Register 18 18 18 OE 128K x 18 SRAM Array R/W DQ [a:b] BWa BWb CLK Q D ADV / LD LBO Burst logic addr. registers Write delay 18 17 ZZ CLK 17 Selection Guide -200 -166 -133 Units Minimum cycle time 5 67.5 ns Maximum clock frequency 200 166 133 MHz Maximum clock access time 3.0 3.5 4 ns Maximum operating current 375 350 325 mA Maximum standby current 135 120 110 mA Maximum CMOS standby current (DC) 30 30 30 mA |
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