WV3EG6437S-D4 Datasheet, PDF (1/11 Pages) White Electronic Designs Corporation – 256MB - 2x16Mx64 DDR SDRAM SO-DIMM, UNBUFFERED

White Electronic Designs
WV3EG6437S-D4
ADVANCED*
256MB – 2x16Mx64 DDR SDRAM SO-DIMM, UNBUFFERED
FEATURES
DESCRIPTION
Unbuffered Double-data-rate architecture
DDR300 and DDR400
• JEDEC design specifications
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK#)
Programmable Read Latency 2.5, 3
Programmable Burst Length (2,4,8)
Programmable Burst type (sequential & interleave)
Edge aligned data output, center aligned data input
Auto and self refresh, (8K/64ms Refresh)
Serial presence detect with EEPROM
Dual Rank
Power Supply: VCC = VCC: 2.5V ± 0.2V (DDR300)
VCC = VCCQ: 2.6V ± 0.1V (DDR400)
JEDEC standard 200 pin SO-DIMM package
• Package height options:
D4: 31.75mm (1.25") TYP
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
The WV3EG6437S is a 2x16Mx64 Double Data Rate
SDRAM memory module based on 256Mb DDR SDRAM
components. The module consists of eight 16Mx16 DDR
SDRAMs in 66 pin TSOP package mounted on a 200 Pin
FR4 substrate.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
OPERATING FREQUENCIES
Clock Speed
CL-tRCD-tRP
DDR400@CL=3
200MHz
3-3-3
DDR333@CL=2.5
166MHz
2.5-3-3
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2006
Rev. 0
1
White Electronic Designs Corporation • [phone] • www.wedc.com