參數(shù)資料
型號： BX80557E2140
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： MICROPROCESSOR, PBGA775
封裝： LGA-775
文件頁數(shù)： 30/107頁
文件大?。?/td> 1474K
代理商： BX80557E2140
Datasheet
29
Electrical Specifications
2.8.3
Phase Lock Loop (PLL) and Filter
An on-die PLL filter solution will be implemented on the processor. The VCCPLL input is
used for the PLL. Refer to Table 5 for DC specifications.
2.8.4
BCLK[1:0] Specifications (CK505 based Platforms)
Table 16.
BSEL[2:0] Frequency Table for BCLK[1:0]
BSEL2
BSEL1
BSEL0
FSB Frequency
L
RESERVED
L
H
RESERVED
L
H
RESERVED
LH
L
200 MHz
H
L
RESERVED
H
RESERVED
H
L
H
RESERVED
H
L
RESERVED
Table 17.
Front Side Bus Differential BCLK Specifications
Symbol
Parameter
Min
Typ
Max
Unit Figure Notes1
NOTES:
1.
Unless otherwise noted, all specifications in this table apply to all processor frequencies.
VL
Input Low Voltage
-0.30
N/A
V
2
2.
"Steady state" voltage, not including overshoot or undershoot.
VH
Input High Voltage
N/A
1.15
V
VCROSS(abs) Absolute Crossing Point
0.300
N/A
0.550
V
3, 4
3,4 5
3.
Crossing voltage is defined as the instantaneous voltage value when the rising edge of BCLK0
equals the falling edge of BCLK1.
4.
VHavg is the statistical average of the VH measured by the oscilloscope.
5.
The crossing point must meet the absolute and relative crossing point specifications
simultaneously.
ΔVCROSS
Range of Crossing Points
N/A
0.140
V
3, 4
VOS
Overshoot
N/A
1.4
V
6
6.
Overshoot is defined as the absolute value of the maximum voltage. Undershoot is defined as
the absolute value of the minimum voltage.
VUS
Undershoot
-0.300
N/A
V
VSWING
Differential Output Swing
0.300
N/A
V
7
7.
Measurement taken from differential waveform.
ILI
Input Leakage Current
-5
N/A
5
μA
Cpad
Pad Capacitance
.95
1.2
1.45
pF
8
8.
Cpad includes die capacitance only. No package parasitics are included.
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