參數(shù)資料
型號(hào): XRK4993
廠商: Exar Corporation
英文描述: 3.3V PROGRAMMABLE SKEW CLOCK BUFFER
中文描述: 3.3V的可編程相偏時(shí)鐘緩沖器
文件頁(yè)數(shù): 11/13頁(yè)
文件大?。?/td> 95K
代理商: XRK4993
XRK4993
11
REV. 1.0.0
3.3V PROGRAMMABLE SKEW CLOCK BUFFER
PE = L
OW
T
IMING
:
All output changes occur on the falling edge of the Clkin reference signal. Programmable skews are made
relative to this edge.
PE=H
IGH
T
IMING
:
When the PE pin is High, all changes begin relative to the rising edge of the Clkin reference signal. This
includes not only the "zero tu" signals but also the divided output signals. The divided-by-two outputs will
change on each rising edge. As QD can only be 0tu, QC is the only "divide by" output providing either divide-
by- two or divide-by-four, not both.
F
IGURE
7. T
IMING
D
IAGRAM
PE=L
OW
F
IGURE
8. T
IMING
D
IAGRAM
PE=H
IGH
Clkin
FB_In
Qxn
QC div2
QC div4
Clkin
FB_In
Qxn
QC div2
QC div4
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