参数资料
型号: BX80552651
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 3400 MHz, MICROPROCESSOR, PBGA775
封装: FLIP CHIP, LGA-775
文件页数: 38/108页
文件大小: 3283K
代理商: BX80552651
Datasheet
37
Electrical Specifications
2.7.4
BCLK[1:0] Specifications
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 BCLK0 equals the
falling edge of BCLK1.
3. VHavg is the statistical average of the VH measured by the oscilloscope.
4. Overshoot is defined as the absolute value of the maximum voltage.
5. Undershoot is defined as the absolute value of the minimum voltage.
6. Ringback Margin is defined as the absolute voltage difference between the maximum Rising Edge Ringback
and the maximum Falling Edge Ringback.
7. Threshold Region is defined as a region entered around the crossing point voltage in which the differential
receiver switches. It includes input threshold hysteresis.
8. The crossing point must meet the absolute and relative crossing point specifications simultaneously.
9. VHavg can be measured directly using “Vtop” on Agilent* oscilloscopes and “High” on Tektronix*
oscilloscopes.
§
Table 2-18. Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Notes1
VL
Input Low Voltage
-0.150
0.000
N/A
V
-
VH
Input High Voltage
0.660
0.700
0.850
V
-
VCROSS(abs) Absolute Crossing Point
0.250
N/A
0.550
V
2, 8
VCROSS(rel)
Relative Crossing Point
0.250 +
0.5(VHAVG – 0.700)
N/A
0.550 +
0.5(VHAVG – 0.700)
V
3, 8, 9
ΔV
CROSS
Range of Crossing Points
N/A
0.140
V
-
VOS
Overshoot
N/A
VH + 0.3
V
4
VUS
Undershoot
-0.300
N/A
V
5
VRBM
Ringback Margin
0.200
N/A
V
6
VTM
Threshold Region
VCROSS – 0.100
N/A
VCROSS + 0.100
V
7
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