EV2995-10 GMT [Global Mixed-mode Technology Inc], EV2995-10 Datasheet

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EV2995-10

Manufacturer Part Number
EV2995-10
Description
G2995 Evaluation Board Manual
Manufacturer
GMT [Global Mixed-mode Technology Inc]
Datasheet
1.EV2995-10.pdf (4 pages)
Bill of Material
Mar 12, 2003
Application
Introduction
Schematic
Name
C3, C5
C1, C2
U1
C6
The G2995 evaluation board is designed to provide the design engineer with a fully functional prototype system
in which to evaluate the G2995 in both a static environment and with a complete memory system. It is one version
of the board, which SOP-8L(FD) is used. The application note contains information regarding the board,for more in-
formation regarding the G2995 please refer to the datasheet.
The following schematic was used to create the layout.
The G2995 evaluation board can be used immediately in either a static test environment to check functionality
or in a memory termination scheme on a motherboard. In either implementation the following steps should be
taken to ensure correct operation.
1.
2.
3.
4. The VREF pad is the output for the VREF from the G2995 after being bypassed by a ceramic capacitor.
5. The remaining two pads are for the force and sense leads of the VTT output. These should be connected
This can be connected either to a multi-meter for confirmation or directly to the memory controller and DIMMS.
directly to the termination plane or a multi-meter if interested in verification. The output will be regulated where the
VSENSE leads connect to the VTT leads permitting the connection to a motherboard without suffering from large
resistance drops.
dered.
Correct leads from the evaluation board. The board layout has been designed to allows sockets to be directly sol-
AVIN and PVIN should be connected to a 2.5V power supply.
The VDDQ input provides the internal divide by two reference voltage. Both VREF and VTT will track this
internal voltage, nominally a 2.5V will be applied.
Qty
Global Mixed-mode Technology
1
2
1
2
Value
330uf
0.1uf
68uf
G2995 Evaluation Board Manual
6.3V POSCAP Series
G2995 DDR Linear Regulator
6.3V POSCAP Series
0603 Ceramic Capacitor X7R 6.3V TDK
Description
1
Global Mixed-mode Tech-
nology
http://www.gmt.com.tw
SANYO
SANYO
Manufacturer
G2995
6TPD330M
6TPB68M
1068X7R1H104K
http://www.gmt.com.tw
Model Number
TEL: 886-3-5788833
EV2995-10

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EV2995-10 Summary of contents

Page 1

... VSENSE leads connect to the VTT leads permitting the connection to a motherboard without suffering from large resistance drops. Mar 12, 2003 Description Manufacturer Global Mixed-mode Tech- nology http://www.gmt.com.tw SANYO SANYO 1 EV2995-10 Model Number G2995 6TPD330M 6TPB68M 1068X7R1H104K TEL: 886-3-5788833 http://www.gmt.com.tw ...

Page 2

... Please refer to the title to determine whether the current flow is into (sinking) or out from (sourcing) the pin. The time scale for all the plots is 2mS per division Load=0.5A Transient(Sinking) I Load=1A Transient (Sinking) I Load=1.5A Transient (Sinking) Mar 12, 2003 I Load=0.5A Transient(Sourcing) I Load=1A Transient(Sourcing) I Load=1.5A Transient(Sourcing) 2 EV2995-10 output V TT TEL: 886-3-5788833 http://www.gmt.com.tw ...

Page 3

... Global Mixed-mode Technology Board Layout Mar 12, 2003 SOP-8L(FD) Top Side SOP-8L(FD) Bottom Side 3 EV2995-10 TEL: 886-3-5788833 http://www.gmt.com.tw ...

Page 4

... Global Mixed-mode Technology Board Layout (Continuous) Mar 12, 2003 Information Board Material Size Board Thickness Layers Copper Thickness Thermal Vias Thermal Vias Size 4 EV2995-10 SOP- 8L(FD) Board FR4 50mm× 50mm 1.6mm 28mil TEL: 886-3-5788833 http://www.gmt.com.tw ...

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