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IS42S32160B7TLI
IS42S32160B IS45S32160B 16M x 32 512Mb SYNCHRONOUS DRAM DECEMBER 2009 FEATURES • Clock frequency: 166, 143 MHz • Fully synchronous; all signals referenced to a positive clock edge • Internal bank for hiding row access/precharge OVERVIEW ISSI's 512Mb Synchronous DRAM achieves high-speed data transfer using pipeline architecture. All inputs and outputs signals refer to the rising edge of the clock input. The 512Mb SDRAM is organized in 4Meg x 32 bit x 4 Banks. • Single Power supply: 3.3V + 0.3V • LVTTL interface • Programmable burst length – (1, 2, 4, 8, full page) • Programmable burst sequence: Sequential/Interleave • Auto Refresh (CBR) • Self Refresh • 8192 refresh cycles every 16ms (A2 grade) or 64 ms (Commercial, Industrial, A1 grade) • Random column address every clock cycle KEY TIMING PARAMETERS Parameter Clk Cycle Time CAS Latency = 3 CAS Latency = 2 Clk Frequency CAS Latency = 3 CAS Latency = 2 Access Time from Clock CAS Latency = 3 CAS Latency = 2 -6 6 10 166 100 5.4 6.5 -7 7 10 143 100 5.4 6.5 -75E Unit — ns 7.5 ns — Mhz 133 Mhz — ns 5.5 ns • Programmable CAS latency (2, 3 clocks) • Burst read/write and burst read/single write operations capability ADDRESS TABLE • Burst termination by burst stop and precharge command Parameter 16M x 32 Configuration 4M x 32 x 4 banks OPTIONS Refresh Count • Package: 86-pin TSOP-II 90-ball W-BGA • Operating Temperature Range: Commercial (0oC to +70oC) Industrial (-40oC to +85oC) Automotive Grade, A1 (-40oC to +85oC) Automotive Grade, A2 (-40oC to +105oC) Com./Ind. 8K / 64ms A1 8K / 64ms A2 8K / 16ms Row Addresses A0 – A12 Column Addresses A0 – A8 Bank Address Pins BA0, BA1 Autoprecharge Pins A10/AP Copyright © 2006 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. - www.issi.com Rev. A 11/30/09 1
ISSI
Integrated Silicon Solution Inc
U.S.A
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