Datasheet > MT9HTF12872AY

MT9HTF12872AY

更新时间： 2024-01-24 06:09:50

品牌	Logo	应用领域
镁光 - MICRON		动态存储器双倍数据速率
页数	文件大小	规格书
21页	383K
描述
DDR2 SDRAM UDIMM

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数据手册

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MT9HTF12872AY 数据手册

256MB, 512MB, 1GB (x72, SR, ECC) 240-Pin DDR2 UDIMM

Features

DDR2 SDRAM UDIMM

MT9HTF3272AY – 256MB

MT9HTF6472AY – 512MB

MT9HTF12872AY – 1GB

Figure 1: 240-Pin UDIMM (MO-237 R/C A/F)

Features

Module height 30.0mm (1.18in)

240-pin, unbuffered dual in-line memory module

•

Fast data transfer rates: PC2-3200, PC2-4200,

PC2-5300, or PC2-6400

256MB (32 Meg x 72), 512MB (64 Meg x 72), or 1GB

(128 Meg x 72)

•

V_DD= V_DDQ1.8V

•

Options

Marking

V_DDSPD= 1.7–3.6V

Operating temperature

– Commercial (0°C ≤ T_A≤ +70°C)

– Industrial (–40°C ≤ T_A≤ +85°C)¹

Package

•

JEDEC-standard 1.8V I/O (SSTL_18-compatible)

Differential data strobe (DQS, DQS#) option

4n-bit prefetch architecture

Single rank

None

•

240-pin DIMM (lead-free)

–

Frequency/CL²

Multiple internal device banks for concurrent

operation

2.5ns @ CL = 5 (DDR2-800)^{3, 4}

-80E

-800

-667

-53E

-40E

–

2.5ns @ CL = 6(DDR2-800)^{3, 4}

Programmable CAS latency (CL)

Posted CAS# additive latency (AL)

WRITE latency = READ latency - 1 ^tCK

Programmable burst lengths (BL): 4 or 8

Adjustable data-output drive strength

64ms, 8192-cycle refresh

•

3.0ns @ CL = 6 (DDR2-667)

3.75ns @ CL = 5 (DDR2-53E)

5.0ns @ CL = 5 (DDR2-40E)

–

1. Contact Micron for industrial temperature

module offerings.

Notes:

2. CL = CAS (READ) latency.

3. Contact Micron for product availability.

4. Not available in 256MB density.

On-die termination (ODT)

Serial presence detect (SPD) with EEPROM

Gold edge contacts

Table 1: Key Timing Parameters

Data Rate (MT/s)

Speed

Grade

Industry

Nomenclature

^tRCD

(ns)

^tRP

(ns)

^tRC

(ns)

CL = 6

CL = 5

800

667

–

CL = 4

533

CL = 3

400

-80E

-800

-667

-53E

-40E

PC2-6400

PC2-5300

PC2-4200

PC2-3200

800

–

12.5

533

400

553

400

553

400

–

400

–

PDF: 09005aef80e8ad4d

htf9c32_64_128x72ay – Rev. F 3/10 EN

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

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

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