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| 型号： | CY2213 |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | High-Frequency Programmable PECL Clock Generator(高频可编程PECL时钟发生器) |
| 中文描述： | 高频PECL的可编程时钟发生器（高频可编程PECL的时钟发生器） |
| 文件页数： | 8/10页 |
| 文件大小： | 104K |
| 代理商： | CY2213 |
CY2213
Document #: 38-07263 Rev. *E
Page 8 of 10
Figure 12
shows the definition of cycle-to-cycle duty cycle
error. Cycle-to-cycle duty cycle error is defined as the
difference between high-times of adjacent cycles over many
cycles (typically 12800 cycles at 400 MHz). Equal require-
ments apply to the low-times. t
DC
,
ERR
is defined as the clock
output cycle-to-cycle duty cycle error.
CLK
Figure 13
shows the definition of long-term jitter error.
Long-term jitter is defined as the accumulated timing error over
many cycles (typically 12800 cycles at 400 MHz). It applies to
both rising and falling edges. t
JLT
is defined as the long-term
jitter.
t
CYCLE
t
JP
= t
CYCLE,max
– t
CYCLE, min. over many cycles
CLKB
Figure 10. Period Jitter
t
CYCLE,i
t
JC
= t
CYLCE,i
– t
CYCLE,i+1 over many consecutive cycles
CLK
CLKB
t
CYCLE, i+1
Figure 11. Cycle-to-cycle Jitter
tPW+,i
t
DC,ERR
= t
PW+,i
– t
PW+,i+1
over many consecutive cycles
CLK
CLKB
tPW+,i+1
tCYCLE,i+1
tCYCLE, i+1
Cycle i
Cycle i+1
Figure 12. Cycle-to-cycle Duty Cycle Error
t
JLT
= t
max
– t
min over many cycles
CLK
CLKB
t
min
t
max
Figure 13. Long-term Jitter
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY2213_12 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:High Frequency Programmable PECL Clock Generator |
| CY2213ZC-1 | 制造商:Cypress Semiconductor 功能描述:Programmable PLL Clock Multiplier Single Up to 400MHz 16-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:HIGH FREQ PROGRAMABLE PECL CLOCK GENERATOR - Bulk |
| CY2213ZC-1T | 制造商:Cypress Semiconductor 功能描述:Programmable PLL Clock Multiplier Single Up to 400MHz 16-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:DEFAULT CATEGORY - Tape and Reel |
| CY2213ZC-2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY2213ZC-2T | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:High-Frequency Programmable PECL Clock Generator |
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