參數(shù)資料
型號(hào): SDC2800DUT3D
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: 2000 MHz, MICROPROCESSOR, CPGA453
封裝: OPGA-453
文件頁數(shù): 31/102頁
文件大?。?/td> 3049K
代理商: SDC2800DUT3D
22
333 FSB AMD Sempron Processor Model 10 with 256K L2 Cache Specifications
Chapter 6
AMD Sempron Processor Model 10 with 256K L2 Cache Data Sheet
31994A—1August 2004
6.2
333 FSB AMD Sempron Processor Model 10 SYSCLK and
SYSCLK# AC Characteristics
Table 2 shows the SYSCLK/SYSCLK# differential clock AC
characteristics of this processor.
Figure 8 shows a sample waveform of the SYSCLK signal.
Figure 8. SYSCLK Waveform
Table 2.
333 FSB SYSCLK and SYSCLK# AC Characteristics
Symbol
Parameter Description
Minimum
Maximum
Units
Notes
Clock Frequency
50
166
MHz
1
Duty Cycle
30%
70%
t1
Period
6
ns
2, 3
t2
High Time
1.0
ns
t3
Low Time
1.0
ns
t4
Fall Time
2
ns
t5
Rise Time
2
ns
Period Stability
± 300
ps
Notes:
1. The AMD Athlon system bus operates at twice this clock frequency.
2. Circuitry driving the AMD Athlon system bus clock inputs must exhibit a suitably low closed-loop jitter bandwidth to allow the PLL
to track the jitter. The –20dB attenuation point, as measured into a 20
- or 30-pF load must be less than 500 kHz.
3. Circuitry driving the AMD Athlon system bus clock inputs may purposely alter the AMD Athlon system bus clock frequency (spread
spectrum clock generators). In no cases can the AMD Athlon system bus period violate the minimum specification above.
AMD Athlon system bus clock inputs can vary from 100% of the specified frequency to 99% of the specified frequency at a
maximum rate of 100 kHz.
t5
VCROSS
t2
t3
t4
t1
VThreshold-AC
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