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White Electronic Designs Corporation

WED3DG64128V-D1 Datasheet Preview

WED3DG64128V-D1 Datasheet

1GB - 128M X 64 SDRAM Unbuffered

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WED3DG64128V-D1
1GB- 128Mx64 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 WED3DG64128V is a 128Mx64 synchronous DRAM module
which consists of eight 128Mx8 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)
NC NC
NC NC
CS0\
CS1\
NC
NC
NC
NC
NC
NC
PIN NAMES
A0 – A12
BA0-1
DQ0-63
CLK0
CKE0, CKE1
CS0, CS1
RAS
CAS
WE
DQM0-7
VDD
VSS
SDA
SCL
DNU
NC
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
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 • (508) 485-4000 • www.whiteedc.com




White Electronic Designs Corporation

WED3DG64128V-D1 Datasheet Preview

WED3DG64128V-D1 Datasheet

1GB - 128M X 64 SDRAM Unbuffered

No Preview Available !

www.datasheet4u.com
FUNCTIONAL BLOCK DIAGRAM
WED3DG64128V-D1
5
5
5
5
7
5
5
White Electronic Designs Corp reserves the right to change products or specifications without notice.
White Electronic Designs Corporation • (508) 485-4000 • www.whiteedc.com
2
5
June 2003 Rev. 1
ECO #16373


Part Number WED3DG64128V-D1
Description 1GB - 128M X 64 SDRAM Unbuffered
Maker White Electronic Designs Corporation
Total Page 5 Pages
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