STPCI2HDYI STMicroelectronics, STPCI2HDYI Datasheet - Page 94

• Manufacturer Part Number: STPCI2HDYI
• Manufacturer: STMicroelectronics

Specifications of STPCI2HDYI

• Operating Temperature (min): -40C
• Operating Temperature (max): 115C
• Processing Unit: Microprocessor
• Operating Supply Voltage (min): 2.45/3V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 2.7/3.6V
• Package Type: BGA
• Screening Level: Industrial
• Pin Count: 516
• Mounting: Surface Mount
• Rad Hardened: No
• Lead Free Status / RoHS Status: Supplier Unconfirmed

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)
94/108
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