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Micron

MT36VDDT51272 Datasheet Preview

MT36VDDT51272 Datasheet

4GB DDR SDRAM RDIMM

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1GB, 2GB, 4GB (x72, ECC, DR) 184-Pin DDR RDIMM
Features
DDR SDRAM RDIMM
MT36VDDT12872 – 1GB1
MT36VDDT25672 – 2GB1
MT36VDDT51272 – 4GB
For component data sheets, refer to Micron’s Web site: www.micron.com
Features
• 184-pin, registered dual in-line memory module
(RDIMM)
• Standard and low profile height PCB modules
• Fast data transfer rates: PC2100 or PC2700
• 1GB (128 Meg x 72), 2GB (256 Meg x 72),
and 4GB (512 Meg x 72)
• Supports ECC error detection and correction
• VDD = VDDQ = +2.5V
• 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: Standard-Height Layout (MO-206)
PCB height: 43.18mm (1.7in)
Figure 2: Low-Profile Layout (MO-206)
PCB height: 30.48mm (1.2in)
Options
Marking
• Operating temperature2
Commercial (0°C TA +70°C)
Industrial (–40°C TA +85°C)
• Package
None
I
184-pin DIMM (standard)
G
184-pin DIMM (Pb-free)
• Memory clock, speed, CAS latency3
Y
6.0ns (167 MHz), 333 MT/s, CL = 2.5
7.5ns (133 MHz), 266 MT/s, CL = 24
7.5ns (133 MHz), 266 MT/s, CL = 24
-335
-262
-26A
7.5ns (133 MHz), 266 MT/s, CL = 2
-265
Notes: 1. End of life.
2. Contact Micron for industrial temperature
module offerings.
3. CL = CAS (READ) latency; registered mode
will add one clock cycle to CL.
4. Not recommended for new designs.
PDF: 09005aef809d5451/Source: 09005aef807da325
dd36c128_256_512x72.fm - Rev. F 6/08 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.




Micron

MT36VDDT51272 Datasheet Preview

MT36VDDT51272 Datasheet

4GB DDR SDRAM RDIMM

No Preview Available !

1GB, 2GB, 4GB (x72, ECC, DR) 184-Pin DDR RDIMM
Features
Table 1: Key Timing Parameters
Speed
Grade
-335
-262
-26A
-265
Industry
Nomenclature
Data Rate (MT/s)
CL = 2.5
CL = 2
tRCD
(ns)
tRP
(ns)
tRC
(ns) Notes
PC2700
PC2100
PC2100
PC2100
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
4K
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–A09, A11, A12)
2 (S0#, S1#)
4GB
8K
16K (A0–A13)
4 (BA0, BA1)
1Gb (256 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
MT36VDDT12872G-335__
MT36VDDT12872Y-335__
MT36VDDT12872G-26A__
MT36VDDT12872G-265__
MT36VDDT12872Y-265__
Module
Density
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
Module
Bandwidth
2.7 GB/s
2.7 GB/s
2.1 GB/s
2.1 GB/s
2.1 GB/s
Memory Clock/
Data Rate
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
Clock Cycles
(CL-tRCD-tRP)
2.5-3-3
2.5-3-3
2-3-3
2.5-3-3
2.5-3-3
Table 4:
Part Numbers and Timing Parameters – 2GB Modules
Base device: MT46V128M4,1 512Mb DDR SDRAM
Part Number2
MT36VDDT25672G-335__
MT36VDDT25672G-262__
MT36VDDT25672G-26A__
MT36VDDT25672Y-26A__
MT36VDDT25672G-265__
MT36VDDT25672Y-265__
Module
Density
2GB
2GB
2GB
2GB
2GB
2GB
Configuration
256 Meg x 72
256 Meg x 72
256 Meg x 72
256 Meg x 72
256 Meg x 72
256 Meg x 72
Module
Bandwidth
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
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)
2.5-3-3
2-2-2
2-3-3
2-3-3
2.5-3-3
2.5-3-3
Notes:
1. The 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: MT36VDDT51272Y-335A2.
PDF: 09005aef809d5451/Source: 09005aef807da325
dd36c128_256_512x72.fm - Rev. F 6/08 EN
2 Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003 Micron Technology, Inc. All rights reserved


Part Number MT36VDDT51272
Description 4GB DDR SDRAM RDIMM
Maker Micron
Total Page 18 Pages
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