WV3HG128M72AER-AD6

March 2005

Rev. 1

ADVANCED*

1

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

1GB – 128Mx72 DDR2 SDRAM RDIMM, VLP

DESCRIPTION

The WV3HG128M72AER is a 128Mx72 Double Data Rate

DDR2 SDRAM high density module. This memory module

consists of eighteen 128Mx4 bit with 4 banks DDR2

Synchronous DRAMs in FBGA packages, mounted on a

VLP 240-pin DIMM FR4 substrate.

* This product is under development, is not qualified or characterized and is subject to

change or cancellation without notice.

NOTE: Consult factory for availability of:

• Vendor source control options

• Industrial temperature option

FEATURES

VLP (very low profile) 240-pin, dual in-line memory

module

Fast data transfer rates: PC2-6400*, PC2-5300*,

PC2-4300 and PC2-3200

Utilizes 800*, 667*, 533 and 400 Mb/s DDR2

SDRAM components

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

Differential data strobe (DQS, DQS#) option

Four-bit prefetch architecture

DLL to align DQ and DQS transitions with CK

Multiple internal device banks for concurrent

operation

Supports duplicate output strobe (RDQS/RDQS#)

Programmable CAS# latency (CL): 3, 4, 5* and 6*

Adjustable data-output drive strength

On-die termination (ODT)

Posted CAS# latency: 0, 1, 2, 3 and 4

Serial Presence Detect (SPD) with EEPROM

Auto &self refresh (64ms: 8,192 cycle refresh)

Gold edge contacts

RoHS compliant

Package option

• 240 Pin DIMM VLP

• PCB – 18.29mm (0.720") Max

OPERATING FREQUENCIES

PC2-3200

PC2-4300

PC2-5300*

PC2-6400*

Clock Speed

200MHz

266MHz

333MHz

400MHz

3-3-3

4-4-4

5-5-5

6-6-6

* Consult factory for availability