STPCI2GDYI STMicroelectronics, STPCI2GDYI Datasheet - Page 94

• Manufacturer Part Number: STPCI2GDYI
• Description: IC SYSTEM-ON-CHIP X86 516-PBGA
• Manufacturer: STMicroelectronics

Specifications of STPCI2GDYI

• Applications: Graphics Controller
• Core Processor: x86
• Controller Series: STPC® Atlas
• Interface: UART
• Number Of I /o: 16
• Voltage - Supply: 2.45 V ~ 2.7 V
• Operating Temperature: -40°C ~ 115°C
• Mounting Type: Surface Mount
• Package / Case: 516-PBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Program Memory Type: -
• Ram Size: -
• Lead Free Status / Rohs Status: Compliant

STPC® ATLAS
Figure 6-25. IBIS Simulation for on-board SDRAM / 90MHz
6.5.0.1. Clock topology for standard DIMM
Figure 6-26
ed clock topology and the resulting IBIS simulation
Figure 6-26. Recommended topology for DIMM (IBIS model)
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Buffer out
Buffer out
Track impedance= 75 Ohms
Trace thickness = 0.72 mil
Trace width = 4 to 8 mils
and
Figure 6-27
(V)
3
2
1
MCLKO
MCLKI
give the recommend-
22 Ohms
18 Ohms
833ps
2.0 V
0.8 V
MCLKx
3000 mils
2000 mils
in the case of a standard DIMM with the use of a
clock buffer.
791ps
DIMM
Time
MCLKI