參數(shù)資料
型號(hào): 24707_PUB
英文描述: Programmable Resolution 1-Wire Digital Thermometer
中文描述: 時(shí)鐘發(fā)生器規(guī)格的AMD Athlon? 64和AMD Opteron?處理器
文件頁數(shù): 31/51頁
文件大?。?/td> 1783K
代理商: 24707_PUB
24707 Rev. 3.08 September 2003
Clock Generator Specification for AMD64 Processors
Table 8. Crystal Input/Feedback Electrical Characteristics
Parameter
Description
Test Conditions
Min.
Typ.
Max.
Unit
Cinx
Crystal pin load capacitance
27
36
45
pF
7.3.4
PCI/ HyperTransport Clock Outputs
The following PCI and HyperTransport clock output electrical characteristics are described in
Table 9.
The PCI and HyperTransport pins are PCI33[0:5], PCI_F , PCI33_HT66[0:2].
Table 9. PCI/HyperTransport Clock Output Electrical Characteristics
(Lump Capacitance Test Load =30 pF)
PCI33, PCI33_HT66
= 33MHz
PCI33_HT66 =
66MHz
Parameter
Description
Test Conditions
Min
Typ
Max
Min
Typ
Max
Unit
V
OL
Output Low
Voltage
Output High
Voltage
Output Low
Current
I
OL
= 9.0mA
0.4
0.4
V
V
OH
I
OH
= -12mA
2.4
2.4
V
I
OL
V
O
= 0.8V
10
10
mA
I
OH
Output High
Current
V
O
= 2.0V
–15
–15
mA
D
f
Frequency,
Actual
Output Rise
Edge Rate
Output Fall
Edge Rate
Duty Cycle
33.33
66.6
67
MHz
t
R
Measured from 20%
to 60%
Measured from 60%
to 20%
Measured on rising
and falling edge at
1.5 V
1
4
1
4
V/ns
t
F
1
4
1
4
V/ns
A
t
D
45
55
45
55
%
Chapter 7
Electrical Specifications
27
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