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IS42S16160B-7BLI Datasheet(PDF) 1 Page - Integrated Silicon Solution, Inc |
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IS42S16160B-7BLI Datasheet(HTML) 1 Page - Integrated Silicon Solution, Inc |
1 / 62 page IS42S83200B IS42S16160B Integrated Silicon Solution, Inc. — www.issi.com 1 Rev. D 07/28/08 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. FEATURES • Clock frequency: 166, 143, 133 MHz • Fully synchronous; all signals referenced to a positive clock edge • Internal bank for hiding row access/precharge • Power supply VDD VDDQ IS42S83200B 3.3V 3.3V IS42S16160B 3.3V 3.3V • LVTTL interface • Programmable burst length – (1, 2, 4, 8, full page) • Programmable burst sequence: Sequential/Interleave • Auto Refresh (CBR) • Self Refresh • 8K refresh cycles every 64 ms • Random column address every clock cycle • Programmable CAS latency (2, 3 clocks) • Burst read/write and burst read/single write operations capability • Burst termination by burst stop and precharge command • Available in Industrial Temperature • Available in 54-pin TSOP-II and 54-ball BGA (x16 only) • Available in Lead-free OVERVIEW ISSI's 256Mb 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 256Mb SDRAM is organized as follows. 32Meg x 8, 16Meg x16 256-MBIT SYNCHRONOUS DRAM SEPTEMBER 2008 KEY TIMING PARAMETERS Parameter -6 -7 Unit Clk Cycle Time CAS Latency = 3 6 7 ns CAS Latency = 2 8 10 ns Clk Frequency CAS Latency = 3 166 143 Mhz CAS Latency = 2 125 100 Mhz Access Time from Clock CAS Latency = 3 5.4 5.4 ns CAS Latency = 2 6.5 6.5 ns IS42S83200B IS42S16160B 8M x 8 x 4 Banks 4M x16x4 Banks 54-pin TSOPII 54-pin TSOPII 54-ball BGA |
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