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參數(shù)資料
| 型號(hào)： | XRK32308-2 |
| 廠商： | Exar Corporation |
| 英文描述： | 3.3V ZERO DELAY BUFFER |
| 中文描述： | 3.3零延遲緩沖器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 102K |
| 代理商： | XRK32308-2 |
PRELIMINARY
XRK32308
3
REV. P1.0.2
3.3V ZERO DELAY BUFFER
N
OTES
:
5.
Output phase is indeterminant (0° or 180° from input clock). If phase integrity is required, use the XRK32308–2.
ZERO DELAY AND SKEW CONTROL
To close the feedback loop of the XRK32308, the FB pin can be driven from any of the eight available output
pins. The output driving the FB pin will be driving a total load of 7 pF plus any additional load that it drives. The
relative loading of this output (with respect to the remaining outputs) can adjust the input-output delay. This is
shown in the graph above.
For applications requiring zero input-output delay, all outputs including the one providing feedback should be
equally loaded. If input-output delay adjustments are required, use the above graph to calculate loading
differences between the feedback output and remaining outputs.
For zero output-output skew, be sure to load outputs equally.
T
ABLE
3: A
VAILABLE
XRK32308 C
ONFIGURATIONS
D
EVICE
F
EEDBACK
F
ROM
B
ANK
A F
REQUENCY
B
ANK
B F
REQUENCY
XRK32308-1
Bank A or Bank B
Reference
Reference
XRK32308-1H
Bank A or Bank B
Reference
Reference
XRK32308-2
Bank A
Reference
Reference/2
XRK32308-2
Bank B
2 X Reference
Reference
XRK32308-3
Bank A
2 X Reference
Reference or Reference
[5]
XRK32308-3
Bank B
4 X Reference
2 X Reference
XRK32308-4
Bank A or Bank B
2 X Reference
2 X Reference
XRK32308-5H
Bank A or Bank B
Reference/2
Reference/2
F
IGURE
2. REF I
NPUT
TO
QA
X
/QB
X
D
ELAY
VS
D
IFFERENCE
IN
L
OADING
BETWEEN
FB
AND
QA
X
/QB
X
P
INS
0
-30
500
1000
1500
-500
-1000
-1500
R
Output Load Difference: FB Load - QAx/QBx Load (pF)
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
Note: Target only, actual characterization curve may be slightly different.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRK32308-1 | 3.3V ZERO DELAY BUFFER |
| XRK32309 | LOW-COST 3.3V ZERO DELAY BUFFER |
| XRK32309CD-1 | LOW-COST 3.3V ZERO DELAY BUFFER |
| XRK32309CDTR-1 | LOW-COST 3.3V ZERO DELAY BUFFER |
| XRK32309ID-1 | LOW-COST 3.3V ZERO DELAY BUFFER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRK32308-3 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V ZERO DELAY BUFFER |
| XRK32308-4 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V ZERO DELAY BUFFER |
| XRK32308-5H | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V ZERO DELAY BUFFER |
| XRK32308CD-1 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V ZERO DELAY BUFFER |
| XRK32308CD-1H | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V ZERO DELAY BUFFER |
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