82870P2P64H2 Datasheet, PDF (180/217 Pages) –

Electrical Characteristics
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5 Electrical Characteristics
This chapter provides DC and AC electrical characteristics for various P64H2 interfaces.
5.1
DC Voltage and Current Characteristics
5.1.1 Intel^® P64H2 DC Characteristics
Table 62. Intel^® P64H2 DC Voltage Characteristics
Symbol
VCC1.8
VCC1.8 Transient
VCC3.3
VCC3.3 Transient
VCC5REF
VCC1.8dI/dt
VCC3.3dI/dt
P
TDP
Parameter
P64H2 Core and HI2.0 I/O supply
VCC1.8 Transient Tolerance
PCI Bus Interface
VCC3.3 Transient Tolerance
5V Reference for PCI Bus
P64H2 Core and HI2.0 I/O
Transient Core Tolerance
Thermal Design Power
Min Typ
1.71 1.8
3.135 3.3
Y
4.75 5.0
Max
1.89
± 5%
3.465
± 5%
5.25
2.1
1.32
4.6
Unit
V
V
V
V
V
A/ns
A/ns
W
Table 63. Intel^® P64H2 DC Current Characteristics
Voltage at PCI/PCI-X Interface
1.8 V at 33 MHz PCI (both segments)
1.8 V at 66 MHz PCI/PCI-X (both segments)
1.8 V at 100 MHz PCI-X (both segments)
1.8 V at 133 MHz PCI-X (both segments)
3.3 V at 33 MHz PCI 6 loads (both segments)
3.3 V at 66 MHz PCI 2 loads (both segments)
3.3 V at 66 MHz PCI-X 4 loads (both segments)
3.3 V at 100 MHz PCI-X 2 loads (both segments)
3.3 V at 133 MHz PCI-X 1 load (both segments)
ICCMax Sustained
1970 mA
2170 mA
2550 mA
2660 mA
930 mA
690 mA
1300 mA
1050 mA
770 mA
In most cases a thermal heat spreader will be required for the P64H2. For more information, refer
to the appropriate chipset thermal design guide.
180
Intel^® 82870P2 P64H2 Datasheet