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MT18HTF12872PDY-40ED2

产品描述MODULE DDR2 SDRAM 1GB 240RDIMM
产品类别存储   
文件大小311KB,共18页
制造商Micron Technology
官网地址http://www.mdtic.com.tw/
标准
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MT18HTF12872PDY-40ED2概述

MODULE DDR2 SDRAM 1GB 240RDIMM

MT18HTF12872PDY-40ED2规格参数

参数名称属性值
存储器类型DDR2 SDRAM
存储容量1GB
速度400MT/s
封装/外壳240-RDIMM

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512MB, 1GB, 2GB (x72, ECC, DR) 240-Pin DDR2 SDRAM RDIMM
Features
DDR2 SDRAM Registered DIMM (RDIMM)
MT18HTF6472(P)D – 512MB
MT18HTF12872(P)D – 1GB
MT18HTF25672(P)D – 2GB
For component data sheets, refer to Micron’s Web site:
www.micron.com
Features
• 240-pin, registered dual in-line memory module
• Fast data transfer rates: PC2-3200, PC2-4200,
PC2-5300, or PC2-6400
• 512MB (64 Meg x 72), 1GB (128 Meg x 72),
2GB (256 Meg x 72)
• Supports ECC error detection and correction
• V
DD
= V
DD
Q = +1.8V
• V
DDSPD
= +1.7V to +3.6V
• JEDEC-standard 1.8V I/O (SSTL_18-compatible)
• Differential data strobe (DQS, DQS#) option
• 4n-bit prefetch architecture
• Dual rank
• Multiple internal device banks for concurrent
operation
• Programmable CAS# latency (CL)
• Posted CAS# additive latency (AL)
• WRITE latency = READ latency - 1
t
CK
• Programmable burst lengths: 4 or 8
• Adjustable data-output drive strength
• 64ms, 8,192-cycle refresh
• On-die termination (ODT)
• Serial presence-detect (SPD) with EEPROM
• Gold edge contacts
Figure 1:
240-Pin DIMM (MO-237 R/C G)
PCB height: 30mm (1.18in)
Options
• Parity
• Operating temperature
1
Commercial (0°C
T
A
+70°C)
Industrial (–40°C
T
A
+85°C)
• Package
240-pin DIMM (Pb-free)
• Frequency/CAS latency
2
2.5ns @ CL = 5 (DDR2-800)
3
2.5ns @ CL = 6 (DDR2-800)
3
3.0ns @ CL = 5 (DDR2-667)
3.75ns @ CL = 4 (DDR2-533)
5.0ns @ CL = 3 (DDR2-400)
• PCB height
30mm (1.18in)
Marking
P
None
I
Y
-80E
-800
-667
-53E
-40E
Notes: 1. Contact Micron for industrial temperature
module offerings.
2. CL = CAS (READ) latency; registered mode
will add one clock cycle to CL.
3. Not available in 512MB module density.
Table 1:
Speed
Grade
-80E
-800
-667
-53E
-40E
Key Timing Parameters
Industry
Nomenclature
PC2-6400
PC2-6400
PC2-5300
PC2-4200
PC2-3200
Data Rate (MT/s)
CL = 6
800
CL = 5
800
667
667
CL = 4
533
533
533
533
400
CL = 3
400
400
400
t
RCD
(ns)
12.5
15
15
15
15
RP
(ns)
12.5
15
15
15
15
t
RC
(ns)
55
55
55
55
55
t
PDF: 09005aef80e935cd/Source: 09005aef80e934a6
HTF18C64_128_256x72D.fm - Rev. E 2/07 EN
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.

 
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