器件名称: W3EG6464S262BD4
功能描述: 512MB - 64Mx64 DDR SDRAM UNBUFFERED w/PLL
文件大小: 99.7KB 共9页
简 介:White Electronic Designs
W3EG6464S-AD4 -BD4
PRELIMINARY*
512MB - 64Mx64 DDR SDRAM UNBUFFERED w/PLL
FEATURES
Double-data-rate architecture Speeds of 100MHz, 133MHz and 166MHz Bi-directional data strobes (DQS) Differential clock inputs (CK & CK#) Programmable Read Latency 2,2.5 (clock) Programmable Burst Length (2,4,8) Programmable Burst type (sequential & interleave) Edge aligned data output, center aligned data input Auto and self refresh Serial presence detect Power supply: VCC: 2.5V ± 0.2V JEDEC standard 200 pin SO-DIMM package Package height options: AD4: 35.5 mm (1.38"), BD4: 31.75 (1.25")
* This product is under development, is not qualied or characterized and is subject to change without notice.
DESCRIPTION
The W3EG6464S is a 64Mx64 Double Data Rate SDRAM memory module based on 512Mb DDR SDRAM component. The module consists of eight 64Mx8 DDR SDRAMs in 66 pin TSOP packages mounted on a 200 pin FR4 substrate. Synchronous design allows precise cycle control with the use of system clock. Data I/O transactions are possible on both edges and Burst Lengths allow the same device to be useful for a variety of high bandwidth, high performance memory system applications.
OPERATING FREQUENCIES
DDR333@CL=2.5 Clock Speed CL-tRCD-tRP 166MHz 2.5-3-3 DDR266@CL=2 133MHz 2-2-2 DDR266@CL=2.5 133MHz 2.5-3-3 DDR200@CL=2 100MHz 2-2-2
March 2004 Rev. 1
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
PIN CONFIGURATION
PIN# 1 2 3 4 5 6 7 8……
