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IS42S16800A PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IS42S16800A
部品説明 128-MBIT SYNCHRONOUS DRAM
メーカ Integrated Circuit Solution
ロゴ Integrated Circuit Solution ロゴ 



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IS42S16800A Datasheet, IS42S16800A PDF,ピン配置, 機能
IS42S81600A, IS42LS81600A
IS42S16800A, IS42LS16800A
IS42S32400A, IS42LS32400A
16Meg x 8, 8Meg x16 & 4Meg x 32
128-MBIT SYNCHRONOUS DRAM
ISSI®
ADVANCED INFORMATION
AUGUST 2002
FEATURES
• Clock frequency: 133 100, MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• Power supply
IS42LS81600A
VDD VDDQ
2.5V 1.8V (2.5V tolerant)
IS42LS16800A 2.5V 1.8V (2.5V tolerant)
IS42LS32400A
IS42S81600A
2.5V 1.8V (2.5V tolerant)
3.3V 3.3V
IS42S16800A
3.3V 3.3V
IS42S32400A
3.3V 3.3V
• LVTTL interface
• Programmable burst length
– (1, 2, 4, 8, full page)
• Programmable burst sequence:
Sequential/Interleave
• Extended Mode Register
• Programmable Power Reduction Feature by
partial array activation during Self-Refresh
• Auto Refresh (CBR)
• Temp. Compensated Self Refresh.
• Self Refresh with programmable refresh periods
• 4096 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
• Industrial Temperature Availability
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 SDARM is organized as follows.
IS42LS81600A
IS42S81600A
4M x8x4 Banks
54pin TSOPII
IS42LS16800A
IS42S16800A
2M x16x4 Banks
54ball FBGA
54 pin TSOPII
IS42LS32400A
IS42S32400A
2M x16x4 Banks
90ball FBGA
86pin TSOPII
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
Row to Column Delay Time (tRCD)
Row Precharge Tim (tRP)
-7 -10 Unit
7 10 ns
10 10 ns
133 100 Mhz
100 100 Mhz
5.4 7 ns
6 9 ns
15 18 ns
15 18 ns
Copyright © 2002 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 — 1-800-379-4774
www.DAaDtaVSAhNeCeEt4DUIN.nFeOtRMATION,Rev. 00A
08/01/02
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