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AS7C251MNTD32A

Alliance Semiconductor Corporation
Part Number AS7C251MNTD32A
Manufacturer Alliance Semiconductor Corporation
Description (AS7C251MNTD32A / AS7C251MNTD36A) 2.5V 1M x 32/36 Pipelined SRAM
Published Nov 17, 2008
Detailed Description January 2005 ® AS7C251MNTD32A AS7C251MNTD36A 2.5V 1M × 32/36 Pipelined SRAM with NTDTM Features • Organization: 1,048,...
Datasheet PDF File AS7C251MNTD32A PDF File

AS7C251MNTD32A
AS7C251MNTD32A

Overview
January 2005 ® AS7C251MNTD32A AS7C251MNTD36A 2.
5V 1M × 32/36 Pipelined SRAM with NTDTM Features • Organization: 1,048,576 words × 32 or 36 bits • NTD™architecture for efficient bus operation • Fast clock speeds to 200 MHz • Fast clock to data access: 3.
2/3.
5/3.
8 ns • Fast OE access time: 3.
2/3.
5/3.
8 ns • Fully synchronous operation • pipelined mode www.
DataSheet4U.
com • Common data inputs and data outputs • Asynchronous output enable control Logic block diagram A[19:0] 20 D • Available in 100-pin TQFP packages • Byte write enables • 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 Address register Burst logic Q 20 CLK CE0 CE1 CE2 R/W BWa BWb BWc BWd ADV / LD LBO ZZ D Q 20 Write delay addr.
registers CLK Control logic CLK Write Buffer CLK 1M x 32/36 SRAM Array DQ[a,b,c,d] 32/36 D Data Q Input Register CLK 32/36 32/36 32/36 32/36 CLK CEN CLK OE Output Register 32/36 OE DQ[a,b,c,d] Selection guide -200 Minimum cycle time Maximum clock frequency Maximum clock access time Maximum operating current Maximum standby current Maximum CMOS standby current (DC) 1/17/05, V 1.
2 -166 6 166 3.
5 400 150 90 -133 7.
5 133 3.
8 350 140 90 Units ns MHz ns mA mA mA P.
1 of 18 5 200 3.
2 450 170 90 Alliance Semiconductor Copyright © Alliance Semiconductor.
All rights reserved.
AS7C251MNTD32A AS7C251MNTD36A ® 2.
5V 32 Mb Synchronous SRAM products list1,2 Org 2MX18 1MX32 1MX36 2MX18 1MX32 1MX36 2MX18 1MX32 www.
DataSheet4U.
com 1MX36 2MX18 1MX32 1MX36 2MX18 1MX32 1MX36 Part Number AS7C252MPFS18A AS7C251MPFS32A AS7C251MPFS36A AS7C252MPFD18A AS7C251MPFD32A AS7C251MPFD36A AS7C252MFT18A AS7C251MFT32A AS7C251MFT36A AS7C252MNTD18A AS7C251MNTD32A AS7C251MNTD36A AS7C252MNTF18A AS7C251MNTF32A AS7C251MNTF36A Mode PL-SCD PL-SCD PL-SCD PL-DCD PL-DCD PL-DCD FT FT FT NTD-PL NTD-PL NTD-PL NTD-FT NTD-FT NTD-FT Speed 200/166/133 MHz 2...


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