82870P2P64H2 Datasheet, PDF (185/217 Pages) –

Electrical Characteristics
R
Table 70. DC Characteristics for Hub Interface Source Synchronous Signaling
Sym
Parameter
Min
Max
Units
Condition
Notes
VCC
I/O Supply Voltage
1.71
1.89
V
HI_VREF Input reference
voltage
0.326
0.375
V
HI_VREF =
1
(0.7*VCC/3.6) ± 2%
IREF
HI_VREF pin input
± 50
uA
1
current
VIH
Input High Voltage
HI_VREF+ 0.1
V
VIL
Input Low Voltage
HI_VREF– 0.1
V
IIL
Input leakage Current
150
750
uA
0<VIN<VIH(max)
VOH
Output High Voltage
0.60
1.2
V
Iout = -0.6/HI_RCOMP mA
48Ω ≤ HI_RCOMP ≤ 62Ω
VOL
Output Low Voltage
-0.3
0.05
V
Iout = 1.0 mA
NOTES:
1. Hub interface requires differential input receivers to achieve the tight timing tolerances needed for
533 MT/S. Nominal value of HI_VREF is 0.350 V which can be designed with 2% resistor to achieve the
specified min and max values. The value of HI_VREF is intended to specify near the center point of the
VIL/VIH range.
5.1.6.2 PCI Interface DC Characteristics (5 V Signaling Environment)
Table 71 summarizes the DC characteristics for 5 V signaling.
Table 71. DC Characteristics for PCI 5 V Signaling
Sym
VCC
VIH
VIL
IIH
IIL
VOH
VOL
Cin
Cclk
CIDSEL
Parameter
Min
Max
Units
Condition
Notes
Supply Voltage
Input High Voltage
Input Low Voltage
Input High Leakage Current
Input Low Leakage Current
Output High Voltage
Output Low Voltage
Input Pin Capacitance
CLK Pin Capacitance
IDSEL Pin Capacitance
4.75
2.0
-0.5
2.4
5
5.25
V
VCC +0.5
V
0.8
V
70
µA
Vin = 2.7
1
-70
µA
Vin = 0.5
1
V
Iout = -2 mA
0.55
V
Iout = 3 mA,
2
6 mA
10
pF
12
pF
8
pF
3
NOTES:
1. Input leakage currents include hi-Z output leakage for all bi-directional buffers with tri-state outputs.
2. Signals without pull-up resistors must have 3 mA low output current. Signals requiring pull-up resistors
must have 6 mA; the latter include, PxFRAME#, PxTRDY#, PxIRDY#, PxDEVSEL#, PxSTOP#,
PxSERR#, PxPERR#, PxLOCK#, and, when used, PxAD[63:32], PxC/BE[7:4]#, PxPAR64, PxREQ64#,
and PxACK64#.
3. Lower capacitance on this input-only pin allows for non-resistive coupling to PxAD[xx].
Intel^® 82870P2 P64H2 Datasheet
185