mt18vddt12872dg-265 Micron Semiconductor Products, mt18vddt12872dg-265 Datasheet
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mt18vddt12872dg-265
Manufacturer Part Number
mt18vddt12872dg-265
Description
256mb, 512mb, 1gb, 2gb X72, Ecc, Dr 184-pin Ddr Rdimm
Manufacturer
Micron Semiconductor Products
Datasheet
1.MT18VDDT12872DG-265.pdf
(16 pages)
DDR SDRAM RDIMM
MT18VDDT3272D – 256MB
MT18VDDT6472D – 512MB
MT18VDDT12872D – 1GB
MT18VDDT25672D – 2GB
For component data sheets, refer to Micron’s Web site:
Features
• 184-pin, registered dual in-line memory module
• Fast data transfer rates: PC-1600, PC-2100, PC-2700,
• 256MB (32 Meg x 72), 512MB (64 Meg x 72),
• Supports ECC error detection and correction
• V
• V
• 2.5V I/O (SSTL_2-compatible)
• Internal, pipelined double data rate (DDR)
• Bidirectional data strobe (DQS) transmitted/
• Differential clock inputs (CK and CK#)
• Multiple internal device banks for concurrent
• Dual rank
• Selectable burst lengths (BL): 2, 4, or 8
• Auto precharge option
• Auto refresh and self refresh modes: 15.625µs
• Serial presence-detect (SPD) with EEPROM
• Selectable CAS latency (CL) for maximum
• Gold edge contacts
PDF: 09005aef80e1141d/Source: 09005aef80e11353
DD18C32_64_128_256x72D.fm - Rev. D 4/08 EN
(RDIMM)
or PC-3200
1GB (128 Meg x 72), or 2GB (256 Meg x 72)
2n-prefetch architecture
received with data—that is, source-synchronous
data capture
operation
(256MB) and 7.8125µs (512MB, 1GB, and 2GB)
maximum average periodic refresh interval
compatibility
DD
DDSPD
= V
DD
= +2.3V to +3.6V
Q = +2.5V
Products and specifications discussed herein are subject to change by Micron without notice.
256MB, 512MB, 1GB, 2GB (x72, ECC, DR) 184-Pin DDR RDIMM
www.micron.com
1
184-Pin RDIMM Figures
Figure 1:
Figure 2:
Options
• Operating temperature
• Package
• Memory clock, speed, CAS latency
PCB height: 43.18mm (1.7in)
PCB height: 30.48mm (1.2in
– Commercial (0°C ≤ T
– Industrial (–40°C ≤ T
– 184-pin DIMM (standard)
– 184-pin DIMM (Pb-free)
– 6.0ns (167 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
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1. Contact Micron for industrial temperature
2. CL = CAS (READ) latency; registered mode
module offerings.
will add one clock cycle to CL.
Standard-Height Layout (MO-206)
Low-Profile Layout (MO-206)
)
A
A
1
≤ +85°C)
≤ +70°C)
©2003 Micron Technology, Inc. All rights reserved.
2
Marking
Features
None
-26A
-335
-262
-265
G
Y
I