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IS42S32400E PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IS42S32400E
部品説明 128Mb SYNCHRONOUS DRAM
メーカ ISSI
ロゴ ISSI ロゴ 



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IS42S32400E Datasheet, IS42S32400E PDF,ピン配置, 機能
IS42S32400E
IS45S32400E
4M x 32
128Mb SYNCHRONOUS DRAM
NOVEMBER 2010
FEATURES
• Clock frequency: 166, 143, 133 MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• 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
• 4096 refresh cycles every 16ms (A2 grade) or
64 ms (Commercial, Industrial, A1 grade)
• 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
OPTIONS
• Package:
86-pin TSOP-II
90-ball TF-BGA
• Operating Temperature Range:
Commercial (0oC to +70oC)
Industrial (-40oC to +85oC)
Automotive Grade, A1 (-40oC to +85oC)
Automotive Grade, A2 (-40oC to +105oC)
OVERVIEW
ISSI's 128Mb 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 128Mb SDRAM is organized in 1Meg x 32 bit x 4
Banks.
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 -7
6 7
10 10
166 143
100 100
5.4 5.4
6.5 6.5
-75E Unit
– ns
7.5 ns
– Mhz
133 Mhz
– ns
5.5 ns
ADDRESS TABLE
Parameter
Configuration
Refresh Count Com./Ind.
A1
A2
Row Addresses
Column
Addresses
Bank Address
Pins
Autoprecharge
Pins
4M x 32
1M x 32 x 4 banks
4K / 64ms
4K / 64ms
4K / 16ms
A0 – A11
A0 – A7
BA0, BA1
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 with-
out 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. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can
reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such ap-
plications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc. - www.issi.com
Rev.  E
10/28/10
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