mt18hts25672pky Micron Semiconductor Products, mt18hts25672pky Datasheet

mt18hts25672pky

Manufacturer Part Number

mt18hts25672pky

Description

Ddr2 Sdram Mini-rdimm

Manufacturer

Micron Semiconductor Products

Datasheet

1.MT18HTS25672PKY.pdf (16 pages)

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DDR2 SDRAM Mini-RDIMM

MT18HTS25672PKY – 2GB

MT18HTS51272PKY – 4GB

Features

• 244-pin, mini registered dual in-line memory

• Fast data transfer rates: PC2-5300, PC2-4200, or

• 2GB (256 Meg x 72) or 4GB (512 Meg x 72)

• Supports ECC error detection and correction

• Dual-rank, TwinDie™ (2COB) DRAM devices

• V

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

• Differential data strobe (DQS, DQS#) option

• 4n-bit prefetch architecture

• Multiple internal device banks for concurrent

• Programmable CAS latency (CL)

• Posted CAS additive latency (AL)

• WRITE latency = READ latency - 1

• Programmable burst length (BL) 4 or 8

• Adjustable data-output drive strength

• 64ms, 8192-cycle refresh

• On-die termination (ODT)

• Serial presence-detect (SPD) with EEPROM

• Phase-lock loop (PLL) to reduce loading on system

• Gold edge contacts

• Lead-free

Table 1: Key Timing Parameters

PDF: 09005aef82218d23

hts18c256_512x72pky.pdf - Rev. C 3/10 EN

module

PC2-3200

operation

clock

Speed

Grade

DDSPD

-80E

-800

-667

-53E

-40E

= V

DDQ

= 1.7–3.6V

= 1.8V

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

Nomenclature

Industry

PC2-6400

PC2-5300

PC2-4200

PC2-3200

CL = 6

800

–

CL = 5

Data Rate (MT/s)

800

667

–

2GB, 4GB (x72, DR) 244-Pin DDR2 Mini-RDIMM

Figure 1: 244-Pin Mini-RDIMM (MO-244 R/C X)

CL = 4

533

553

400

Module height: 30mm (1.18in)

Notes:

Options

• Parity

• Operating temperature

• Package

• Frequency/CL

– Commercial (0°C ≤ T

– Industrial (–40°C ≤ T

– 244-pin DIMM (lead-free)

– 2.5ns @ CL = 5 (DDR2-800)

– 3.0ns @ CL = 5 (DDR2-667)

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

CL = 3

400

module offerings.

will add one clock cycle to CL.

(ns)

12.5

RCD

≤ 85°C)

≤ 70°C)

(ns)

12.5

Marking

Features

None

-80E

-667

(ns)

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