System Reference Clock (Bclk{0/1}) Dc Specifications; Smbus Dc Specifications - Intel BX80619I73960X Datasheet

Table 7-14. System Reference Clock (BCLK{0/1}) DC Specifications
Symbol
V
BCLK_diff_ih
V
BCLK_diff_il
V (abs)
cross
V (rel)
cross
Δ
V
cross
V
TH
I
IL
C
pad
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. Crossing Voltage is defined as the instantaneous voltage value when the rising edge of BCLK{0/1}_DN is
equal to the falling edge of BCLK{0/1}_DP.
3. V
Havg
4. The crossing point must meet the absolute and relative crossing point specifications simultaneously.
5. V
Havg
6. V
CROSS
7. The rising edge of BCLK{0/1}_DN is equal to the falling edge of BCLK{0/1}_DP.
8. For Vin between 0 and V
Table 7-15. SMBus DC Specifications
Symbol
V
IL
V
IH
V
OL
V
OH
R
ON
I
L
66
Parameter
Differential Input High
Voltage
Differential Input Low
Voltage
Absolute Crossing Point
Relative Crossing Point
Range of Crossing
Points
Threshold Voltage
Input Leakage Current
Pad Capacitance
is the statistical average of the VH measured by the oscilloscope.
can be measured directly using "Vtop" on Agilent* and "High" on Tektronix oscilloscopes.
is defined as the total variation of all crossing voltages as defined in Note 3.
.
ih
Parameter
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Buffer On Resistance
Leakage Current, Signals DDR_SCL_C{1/23},
DDR_SDA_C{1/23}
Signal Min
Differential 0.150
Differential —
Single
0.250
Ended
0.250 +
Single
0.5*(VH 0.5*(VH
Ended avg
– 0.700)
Single
N/A
Ended
Single
Vcross – 0.1
Ended
N/A —
N/A 0.9
Min
—
0.7*VTT
—
—
—
-100
Electrical Specifications
Max Unit Figure
N/A V
-0.150 V
0.550 V
0.550 +
V
avg
– 0.700)
0.140 V
Vcross +
V
0.1
1.50
μA
1.1 pF
Max Units
0.3*V V
TT
— V
0.2*V V
TT
V V
TT(max)
14
Ω
+100 μA
Datasheet, Volume 1
1
Notes
2, 4, 7
3, 4, 5
6
8
Notes