STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 96

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STPCI2

Manufacturer Part Number
STPCI2
Description
STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
Manufacturer
STMicroelectronics
Datasheet

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DESIGN GUIDELINES
96/111
Buffer out
Buffer out
Track impedance= 75 Ohms
Trace thickness = 0.72 mil
Trace width = 4 to 8 mils
(V)
3
2
1
Figure 6-26. Recommended topology for DIMM (IBIS model)
Figure 6-25. IBIS Simulation for on-board SDRAM / 90MHz
MCLKI
MCLKx
22 Ohms
18 Ohms
833ps
Issue 1.0 - July 24, 2002
2.0 V
0.8 V
3000 mils
2000 mils
MCLKI
791ps
DIMM
Time
MCLKI

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