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XRT7250 데이터시트(PDF) 38 Page - Exar Corporation

부품명 XRT7250
상세설명  DS3/E3 FRAMER IC
PDF  463 Pages
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제조업체  EXAR [Exar Corporation]
홈페이지  http://www.exar.com
Logo EXAR - Exar Corporation

XRT7250 데이터시트(HTML) 38 Page - Exar Corporation

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DS3/E3 FRAMER IC
XRT7250
REV. 1.1.1
19
t8
"TxFrameRef" hold-time, from rising edge of "TxIn-
Clk"
6
ns
Frame IC is "Frame
Slave"
t9
"TxInClk" to "TxOHInd" output delay
711
ns
t10
"TxInClk" to "TxFrame" output delay
610
ns
Transmit Payload Data Input Interface - Looped-Timed/Nibble Mode (See Figure 3)
t13A
Max Delay of Rising Edge of TxNibClk to Data Valid
on TxNib[3:0]
DS3
E3
ns
ns
DS3 Applications
E3 Applications
Transmit Payload Data Input Interface - Looped-Timed/Nibble Mode (See Figure 3)
t13
TxNibClk to TxNibFrame output delay
20
25
25
31
ns
ns
DS3 Applications
E3 Applications
Transmit Payload Data Input Interface - Local-Timed/Nibble Mode (See Figure 4)
t14
Payload Nibble set-up time, to "latching edge" of
"TxInClk"
72
92
ns
ns
DS3 Applications
E3 Applications
t15
Payload Nibble hold time, from "latching edge" of
"TxInClk"
6ns
t16
TxFrameRef set-up time, to "latching edge" of "TxIn-
Clk"
72
92
ns
ns
DS3 Applications
E3 Applications
Framer IC is
"Frame Slave"
t17
TxFrameRef hold time, from "latching edge" of "TxIn-
Clk"
6
ns
Frame IC is "Frame
Slave"
t18
"TxNibClk" to "TxNibFrame" output delay time
20
25
33
ns
ns
DS3 Applications
E3 Applications
AC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25(C, VCC = 5.0V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN.TYP.MAX.UNITS
CONDITIONS



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