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WED3DG6464V-D1 Datasheet

  • WED3DG6464V-D1

  • SDRAM Modules - 144 Pin SO-DIMM. Unbuffered. w/PLL

  • 5頁

  • ETC

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WED3DG6464V-D1
512MB- 64Mx64 SDRAM, UNBUFFERED W/PLL
FEATURES
n
PC100 and PC133 compatible
n
Burst Mode Operation
n
Auto and Self Refresh capability
n
LVTTL compatible inputs and outputs
n
Serial Presence Detect with EEPROM
n
Fully synchronous: All signals are registered on the positive
edge of the system clock
n
Programmable Burst Lengths: 1, 2, 4, 8 or Full Page
n
3.3 volt
6
0.3v Power Supply
n
144 Pin SO-DIMM JEDEC
DESCRIPTION
The WED3DG6464V is a 64Mx64 synchronous DRAM module
which consists of eight 64Mx8 stack SDRAM components in
TSOP- 11 package, and one 2K EEPROM in an 8- pin TSSOP
package for Serial Presence Detect which are mounted on a 144
Pin SO-DIMM multilayer FR4 Substrate.
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
A0 聳 A12
BA0-1
DQ0-63
CLK0
CKE0, CKE1
CS0, CS1
RAS
CAS
WE
DQM0-7
VDD
VSS
SDA
SCL
DNU
NC
PIN NAMES
Address input (Multiplexed)
Select Bank
Data Input/Output
Clock input
Clock Enable input
Chip select Input
Row Address Strobe
Column Address Strobe
Write Enable
DQM
Power Supply (3.3V)
Ground
Serial data I/O
Serial clock
Do not use
No Connect
NC
NC
NC
NC
CS0\
CS1\
NC
NC
NC
NC
NC
NC
** These pins should be NC in the system which
does not support SPD.
White Electronic Designs Corp reserves the right to change products or specifications without notice.
June 2003 Rev. 1
ECO #16373
1
White Electronic Designs Corporation 聲 (508) 485-4000 聲 www.whiteedc.com

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