WV3EG265M72EFSU-D4 Datasheet, PDF (1/11 Pages) White Electronic Designs Corporation – 1GB - 2x64Mx72 DDR SDRAM, UNBUFFERED, PLL, FBGA

White Electronic Designs ^{WV3EG265M72EFSU-D4}
ADVANCED*
1GB – 2x64Mx72 DDR SDRAM, UNBUFFERED, PLL, FBGA
FEATURES
Unbuffered 200-pin (SO-DIMM), small-outline, dual-
in-line module
Fast data transfer rate: PC-2100, and PC-2700
Clock speeds of 133MHz, and 166MHz
Supports ECC error detection and correction
VCC = VCCQ = +2.5V ± 0.2V(133 and 166MHz)
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK#)
Programmable Read Latency: DDR 266 (2, 2.5
clock), DDR333 (2.5 clock)
Programmable Burst Length (2, 4, 8)
Programmable Burst type (sequential & interleave)
Edge aligned data output, center aligned data input
Auto and self refresh, 7.8µs refresh interval
(8K/64ms refresh)
Serial presence detect (SPD) with EEPROM
Dual Rank
Leaded & lead-free/RoHS compliant
Gold edge contacts
JEDEC standard 200 pin, small-outline, SO-DIMM
package
• PCB height option:
31.75 mm (1.25”)
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
DESCRIPTION
The WV3EG265M72EFSU is a 2x64Mx72 Double Data
Rate SDRAM memory module based on 512Mb DDR
SDRAM components. The module consists of eighteen
64Mx8 DDR SDRAMs in FBGA packages mounted on a
200 pin FR4 substrate.
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
Clock Speed
CL-tRCD-tRP
OPERATING FREQUENCIES
DDR333@CL=2.5
166MHz
2.5-3-3
DDR266@CL=2
133MHz
2-2-2
DDR266@CL=2.5
133MHz
2.5-3-3
May 2006
Rev. 0
1
White Electronic Designs Corporation • [phone] • www.wedc.com