參數(shù)資料
型號： XRT91L30_0611
廠商： Exar Corporation
英文描述： STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
中文描述： STS-12/STM-4或STS-3/STM-1的SONET / SDH收發(fā)器
文件頁數(shù)： 10/39頁
文件大小： 440K
代理商： XRT91L30_0611
XRT91L30
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
xr
REV. 1.0.1
8
REFCLKP
REFCLKN
LVPECL Diff
I
16
17
Reference Clock Input (77.76 MHz or 19.44 MHz)
This differential clock input reference is used for the transmit
clock multiplier unit (CMU) and clock data recovery (CDR) to
provide the necessary high speed clock reference for this
device. It will accept either a 77.76 MHz or a 19.44 MHz Differ-
ential LVPECL clock source. Pin CMUFREQSEL determines
the value used as the reference. See Pin CMUFREQSEL for
more details. REFCLKP/N inputs are internally biased to 1.65V.
N
OTE
:
In the event that TTLREFCLK LVTTL input is used
instead of these differential inputs for clock reference,
the REFCLKP should be tied to ground.
TTLREFCLK
LVTTL,
LVCMOS
I
36
TTL Reference Clock Input (77.76 MHz or 19.44 MHz)
This optional LVTTL clock input reference is used for the trans-
mit clock multiplier unit (CMU) and clock data recovery (CDR)
to provide the necessary high speed clock reference for this
device rather than a differential clock source. It will accept
either a 77.76 MHz or a 19.44 MHz LVTTL clock source. Pin
CMUFREQSEL determines the value used as the reference.
See Pin CMUFREQSEL for more details.
N
OTE
:
In the event that REFCLKP/N differential inputs are
used instead of this LVTTL input for clock reference,
the TTLREFCLK should be tied to ground.
TRANSMITTER SECTION
N
AME
L
EVEL
T
YPE
P
IN
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
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XRT91L30 STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT91L306 制造商:EXAR 制造商全稱:EXAR 功能描述:STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L30ES 功能描述:總線收發(fā)器 RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L30IQ 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT91L30IQ-F 功能描述:網(wǎng)絡控制器與處理器 IC 8-Bit TTL 3.3V temp -45 to 85C;UART RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT91L30IQ-F 制造商:Exar Corporation 功能描述:SONET Transceiver IC
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