MT18GTF25672FDY Micron Semiconductor Products, MT18GTF25672FDY Datasheet

MT18GTF25672FDY

Manufacturer Part Number

MT18GTF25672FDY

Description

1.5v Ddr2 Sdram Fbdimm

Manufacturer

Micron Semiconductor Products

Datasheet

1.MT18GTF25672FDY.pdf (9 pages)

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1.5V DDR2 SDRAM FBDIMM

MT18GTF25672FDY – 2GB

Features

• 240-pin, fully buffered DIMM (FBDIMM)

• Very low-power DDR2 operation

• 1.425V ≤ V

• V

• 1.8V tolerant for ≤ 100ms

• Dual rank

• Component configuration: 128 Meg x 8

Functionality

This 1.5V FBDIMM consumes less power than the

standard 1.8V FBDIMM.

The low-voltage FBDIMM has the same timing and op-

erating parameters as standard FBDIMM devices. Un-

regulated power rails enable maximum power conser-

vation.

The module can be powered on at 1.8V for up to

100ms to enable system initialization and module volt-

age configuration.

Table 1: Key Timing Parameters

Table 2: Addressing

PDF: 09005aef82b6453f

gtf18c256x72fdy.pdf - Rev. D 12/09 EN

Parameter

Refresh count

Row address

Device bank address

Device configuration

Column address

Module rank address

and the advanced memory buffer (AMB) DRAM I/O

Speed

Grade

-667

-53E

= 1.50V

Products and specifications discussed herein are subject to change by Micron without notice.

≤ 1.625V for both the DDR2 SDRAM

Nomenclature

Industry

PC2-5300

PC2-4200

CL = 5

667

–

Data Rate (MT/s)

2GB (x72, DR) 240-Pin DDR2 SDRAM FBDIMM

CL = 4

553

Except where stated in this data sheet, information in

the corresponding 1.8V DDR2 FBDIMM data sheet is

directly applicable to the 1.5V DDR2 FBDIMM. For

component specifications, refer to the 1.5V DDR2

SDRAM component data sheet.

Figure 1: 240-Pin FBDIMM (MO-256 R/C B)

Module height: 30.35mm (1.19in)

Options

• Package

• Frequency/CL

– 240-pin DIMM (lead-free)

– 3.0ns @ CL = 5 (DDR2-667)

Note:

Micron Technology, Inc. reserves the right to change products or specifications without notice.

CL = 3

400

1. CL = CAS (READ) latency.

1Gb (128 Meg x 8)

16K A[13:0]

1K A[9:0]

8 BA[2:0]

2 S#[1:0]

2GB

(ns)

RCD

(ns)

Marking

Features

-667

(ns)

Related parts for MT18GTF25672FDY

MT18GTF25672FDY Summary of contents

Page 1

... DDR2 SDRAM FBDIMM MT18GTF25672FDY – 2GB Features • 240-pin, fully buffered DIMM (FBDIMM) • Very low-power DDR2 operation • 1.425V ≤ V ≤ 1.625V for both the DDR2 SDRAM DD and the advanced memory buffer (AMB) DRAM I/O • 1.50V DD • 1.8V tolerant for ≤ 100ms • ...

Page 2

... Data sheets for the base device can be found on Micron’s Web site. Notes: 2. All part numbers end with a four-place code (not shown) that designates component, AMB vendor, and PCB revisions. Consult factory for current revision codes. Example: MT18GTF25672FDY-667E1D4. PDF: 09005aef82b6453f gtf18c256x72fdy.pdf - Rev. D 12/09 EN ...

Page 3

Pin Assignments and Descriptions Table 4: Pin Assignments 240-Pin FBDIMM Front Pin Symbol Pin Symbol Pin Symbol Pin Symbol PN3 PN3 ...

Page 4

Table 5: Pin Descriptions Symbol Type Description PS[9:0] Input Primary southbound data, positive lines. PS#[9:0] Input Primary southbound data, negative lines. SCK Input System clock input, positive line. SCK# Input System clock input, negative line. SCL Input Serial presence-detect (SPD) ...

Page 5

Functional Block Diagram Figure 2: Functional Block Diagram CS1# CS0# DQS0 DQS0# DM0 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQS1 DQS1# DM5 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQS2 DQS2# DM2 DQ16 DQ17 DQ18 DQ19 DQ20 ...

Page 6

Electrical Specifications Stresses greater than those listed may cause permanent damage to the module. This is a stress rating only, and functional operation of the module at these or any other condi- tions outside those indicated in each device’s data ...

Page 7

Serial Presence-Detect Data For the latest serial presence-detect data, refer to Micron’s SPD page: SPD. PDF: 09005aef82b6453f gtf18c256x72fdy.pdf - Rev. D 12/09 EN 2GB (x72, DR) 240-Pin DDR2 SDRAM FBDIMM Electrical Specifications 7 Micron Technology, Inc. reserves the right to ...

Page 8

Module Dimensions Figure 3: 240-Pin DDR2 FBDIMM 66.68 (2.63) TYP 0.5 (0.02) R (4X) 1.5 (0.059 (4X) 2.60 (0.102) D (2X) 5.2 (0.205) TYP 1.25 (0.0492) Pin 1 TYP 1.0 (0.039) TYP 9.9 (0.39) TYP 5.48 (0.216) ...

Page 9

S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: 208-368-3900 www.micron.com/productsupport Customer Comment Line: 800-932-4992 Micron and the Micron logo are trademarks of Micron Technology, Inc. All other trademarks are the property of their respective owners. This data ...

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