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Micron

MT36VDDF25672 Datasheet Preview

MT36VDDF25672 Datasheet

2GB DDR SDRAM RDIMM

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1GB, 2GB (x72, ECC, DR) 184-Pin DDR SDRAM RDIMM
Features
DDR SDRAM RDIMM
MT36VDDF12872 – 1GB
MT36VDDF25672 – 2GB
For component data sheets, refer to Micron’s Web site: www.micron.com
Features
• 184-pin, registered dual in-line memory module
(RDIMM)
• Tall- and standard-height PCB options
• Fast data transfer rates: PC2100, PC2700, or PC3200
• 1GB (128 Meg x 72) and 2GB (256 Meg x 72)
• Supports ECC error detection and correction
• VDD = VDDQ = +2.5V
(-40B VDD = VDDQ = +2.6V)
• VDDSPD = +2.3V to +3.6V
• 2.5V I/O (SSTL_2-compatible)
• Internal, pipelined double data rate (DDR)
2n-prefetch architecture
• Bidirectional data strobe (DQS) transmitted/
received with data—that is, source-synchronous
data capture
• Differential clock inputs (CK and CK#)
• Multiple internal device banks for concurrent
operation
• Dual rank
• Selectable burst lengths (BL): 2, 4, or 8
• Auto precharge option
• Auto refresh and self refresh modes: 7.8125µs
maximum average periodic refresh interval
• Serial presence-detect (SPD) with EEPROM
• Selectable CAS latency (CL) for maximum
compatibility
• Gold edge contacts
184-Pin RDIMM Figures
Figure 1: Tall-Height Layout – 1GB, 2GB
(MO-206-EA)
PCB height: 43.18mm (1.7in)
Figure 2: Standard-Height Layout – 1GB
(MO-206-CA R/C D)
PCB height: 30.48mm (1.2in)
Figure 3: Standard-Height Layout – 2GB
(MO-206-CA R/C D)
PCB height: 30.48mm (1.2in)
Options
• Operating temperature1
Commercial (0°C TA +70°C)
Industrial (–40°C TA +85°C)
• Package
184-pin DIMM (standard)
184-pin DIMM (Pb-free)
• Memory clock, speed, CAS latency2
5.0ns (200 MHz), 400 MT/s, CL = 3
6.0ns (166 MHz), 333 MT/s, CL = 2.5
7.5ns (133 MHz), 266 MT/s, CL = 2
7.5ns (133 MHz), 266 MT/s, CL = 2
7.5ns (133 MHz), 266 MT/s, CL = 2.5
Marking
None
I
G
Y
-40B
-335
-262
-26A
-265
Notes: 1. Contact Micron for industrial temperature
module offerings.
2. CL = CAS (READ) latency; registered mode
adds one clock cycle to CL.
PDF: 09005aef80772fd2/Source: 09005aef8075ebf6
DDF36C128_256x72.fm - Rev. G 9/08 EN
1 Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.




Micron

MT36VDDF25672 Datasheet Preview

MT36VDDF25672 Datasheet

2GB DDR SDRAM RDIMM

No Preview Available !

1GB, 2GB (x72, ECC, DR) 184-Pin DDR SDRAM RDIMM
Features
Table 1: Key Timing Parameters
Speed
Grade
-40B
-335
-262
-26A
-265
Industry
Nomenclature
Data Rate (MT/s)
CL = 3 CL = 2.5 CL = 2
tRCD
(ns)
tRP
(ns)
tRC
(ns) Notes
PC3200
PC2700
PC2100
PC2100
PC2100
400 333 266
15
15
55
333 266
18
18
60 1
266 266
15
15
60
266 266
20
20
65
266 200
20
20
65
Notes: 1. The values of tRCD and tRP for -335 modules show 18ns to align with industry specifications;
actual DDR SDRAM device specifications are 15ns.
Table 2: Addressing
Parameter
Refresh count
Row address
Device bank address
Device configuration
Column address
Module rank address
1GB
8K
8K (A0–A12)
4 (BA0, BA1)
256Mb (64 Meg x 4)
2K (A0–A9, A11)
2 (S0#, S1#)
2GB
8K
8K (A0–A12)
4 (BA0, BA1)
512Mb (128 Meg x 4)
4K (A0–A9, A11, A12)
2 (S0#, S1#)
Table 3:
Part Numbers and Timing Parameters – 1GB Modules
Base device: MT46V64M4,1 256Mb DDR SDRAM
Part Number2
MT36VDDF12872G-40B__
MT36VDDF12872Y-40B__
MT36VDDF12872G-335__
MT36VDDF12872Y-335__
MT36VDDF12872G-262__
MT36VDDF12872G-26A__
MT36VDDF12872Y-26A__
MT36VDDF12872G-265__
MT36VDDF12872Y-265__
Module
Density
1GB
1GB
1GB
1GB
1GB
1GB
1GB
1GB
1GB
Configuration
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
128 Meg x 72
Module
Bandwidth
3.2 GB/s
3.2 GB/s
2.7 GB/s
2.7 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
Memory Clock/
Data Rate
5.0ns/400 MT/s
5.0ns/400 MT/s
6.0ns/333 MT/s
6.0ns/333 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
7.5ns/266 MT/s
Clock Cycles
(CL-tRCD-tRP)
3-3-3
3-3-3
3-3-3
3-3-3
2-2-2
2-3-3
2-3-3
2.5-3-3
2.5-3-3
Notes:
1. Data sheets for the base devices can be found on Micron’s Web site.
2. All part numbers end with a two-place code (not shown) that designates component and
PCB revisions. Consult factory for current revision codes.
Example: MT36VDDF12872Y-335G3.
PDF: 09005aef80772fd2/Source: 09005aef8075ebf6
DDF36C128_256x72.fm - Rev. G 9/08 EN
2 Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002 Micron Technology, Inc. All rights reserved.


Part Number MT36VDDF25672
Description 2GB DDR SDRAM RDIMM
Maker Micron
Total Page 20 Pages
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