器件名称: WV3EG265M72EFSU265D4S
功能描述: 1GB - 2x64Mx72 DDR SDRAM, UNBUFFERED, PLL, FBGA
文件大小: 171.08KB 共11页
简 介:White Electronic Designs
WV3EG265M72EFSU-D4
ADVANCED*
1GB – 2x64Mx72 DDR SDRAM, UNBUFFERED, PLL, FBGA
FEATURES
Unbuffered 200-pin (SO-DIMM), small-outline, dualin-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, 7.8s 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”)
* This product is under development, is not qualied or characterized and is subject to change or cancellation without notice.
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.
NOTE: Consult factory for availability of: RoHS compliant products Vendor source control options Industrial temperature option
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
May 200……
