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IS43R16320A の電気的特性と機能

IS43R16320AのメーカーはIntegrated Silicon Solutionです、この部品の機能は「32Meg x 16 512-MBIT DDR SDRAM」です。


製品の詳細 ( Datasheet PDF )

部品番号 IS43R16320A
部品説明 32Meg x 16 512-MBIT DDR SDRAM
メーカ Integrated Silicon Solution
ロゴ Integrated Silicon Solution ロゴ 




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IS43R16320A Datasheet, IS43R16320A PDF,ピン配置, 機能
IS43R16320A
ISSI®
32Meg x 16
512-MBIT DDR SDRAM
FEATURES
Clock Frequency: 166 MHz
Power supply (VDD and VDDQ)
DDR 333: 2.5V + 0.2V
SSTL 2 interface
Four internal banks to hide row Pre-charge
and Active operations
Commands and addresses register on positive
clock edges (CK)
Bi-directional Data Strobe signal for data cap-
ture
Differential clock inputs (CK and CK) for
two data accesses per clock cycle
Data Mask feature for Writes supported
DLL aligns data I/O and Data Strobe transitions
with clock inputs
Programmable burst length for Read and Write
operations
Programmable CAS Latency (2 or 2.5 clocks)
Programmable burst sequence: sequential or
interleaved
www.DataSBheuerts4Ut .ccoomncatenation and truncation supported
for maximum data throughput
Auto Pre-charge option for each Read or Write
burst
8192 refresh cycles every 64ms
Auto Refresh and Self Refresh Modes
Pre-charge Power Down and Active Power
Down Modes
Lead-free package
MARCH 2006
DEVICE OVERVIEW
ISSI’s 512-Mbit DDR SDRAM achieves high-speed data
transfer using pipeline architecture and two data word
accesses per clock cycle. The 536,870,912-bit memory
array is internally organized as four banks of 128M-bit to
allow concurrent operations. The pipeline allows Read
and Write burst accesses to be virtually continuous, with
the option to concatenate or truncate the bursts. The
programmable features of burst length, burst sequence
and CAS latency enable further advantages. The device
is available in 16-bit data word size. Input data is regis-
tered on the I/O pins on both edges of Data Strobe
signal(s), while output data is referenced to both edges of
Data Strobe and both edges of CK. Commands are
registered on the positive edges of CK. Auto Refresh,
Active Power Down, and Pre-charge Power Down modes
are enabled by using clock enable (CKE) and other
inputs in an industry-standard sequence. All input and
output voltage levels are compatible with SSTL 2.
KEY TIMING PARAMETERS
Parameter
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2.5
CAS Latency = 2
Clock Frequency
CAS Latency = 3
CAS Latency = 2.5
CAS Latency = 2
-6
DDR333
6
7.5
166
133
Unit
ns
ns
ns
MHz
MHz
MHz
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. — 1-800-379-4774
Rev. A
03/22/06
1

1 Page





IS43R16320A pdf, ピン配列
IS43R16320A
ISSI®
Mode Register Operation
BA1 BA0 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Address Bus
0* 0*
Operating Mode
CAS Latency BT Burst Length
Mode Register
A12 - A9 A8 A7
0 00
0 10
A6 - A0
Valid
Valid
Operating Mode
Normal operation
Do not reset DLL
Normal operation
in DLL Reset
Reserved
A3
Burst
Type
0 Sequential
1 Interleave
CAS Latency
A6 A5 A4
000
001
010
011
100
101
110
111
Latency
Reserved
Reserved
2
Reserved
Reserved
Reserved
2.5
Reserved
* BA0 and BA1 must be 0, 0 to select the Mode Register
(vs. the Extended Mode Register).
www.DataSheet4U.com
Burst Length
A2 A1 A0 Burst Length
000
Reserved
001
2
010
4
011
8
100
Reserved
101
Reserved
110
Reserved
111
Reserved
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/22/06
3


3Pages


IS43R16320A 電子部品, 半導体
IS43R16320A
Write Command
CK
CK
CKE
CS
RAS
CAS
WE
HIGH
A0-A9
A10
BA0, BA1
CA
EN AP
DIS AP
BA
ISSI®
CA = column address
BA = bank address
EN AP = enable Auto Precharge
DIS AP = disable Auto Precharge
Don’t Care
www.DataSheet4U.com
6 Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/22/06

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
IS43R16320A

32Meg x 16 512-MBIT DDR SDRAM

Integrated Silicon Solution
Integrated Silicon Solution
IS43R16320D

16Mx32 32Mx16 64Mx8 512Mb DDR SDRAM

Integrated Silicon Solution
Integrated Silicon Solution
IS43R16320E

512Mb DDR SDRAM

Integrated Silicon Solution
Integrated Silicon Solution


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