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XRT83L38
14
REV. 1.0.2
OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
JITTER ATTENUATOR
CLOCK SYNTHESIZER
SIGNAL
NAME
LEAD #
TYPE
DESCRIPTION
JASEL0
JASEL1
A14
B13
I
Jitter Attenuator Select Pins Hardware Mode
Jitter Attenuator select Bit 0
Jitter Attenuator select Bit 1
JASEL[1:0] pins are used to place the jitter attenuator in the transmit path, the receive
path or to disable it.
NOTE: These pins are internally pulled “Low” with 50k
Ω resistors.
SIGNAL
NAME
LEAD #
TYPE
DESCRIPTION
MCLKOUT
H1
O
Synthesized Master Clock Output
This signal is the output of the Master Clock Synthesizer PLL which is at T1 or E1 rate
based upon the mode of operation.
MCLKT1
K1
I
T1 Master Clock Input
This signal is an independent 1.544MHz clock for T1 systems with accuracy better than
±50ppm and duty cycle within 40% to 60%. MCLKT1 is used in the T1 mode.
NOTES:
1.
All channels of the XRT83L38 must be operated at the same clock rate, either
T1, E1 or J1.
2.
See pin 26 description for further explanation for the usage of this pin.
3.
Internally pulled “Low” with a 50k
Ω resistor.
MCLKE1
J1
I
E1 Master Clock Input
A 2.048MHz clock for with an accuracy of better than ±50ppm and a duty cycle of 40%
to 60% can be provided at this pin.
In systems that have only one master clock source available (E1 or T1), that clock
should be connected to both MCLKE1 and MCLKT1 inputs for proper operation.
NOTES:
1.
All channels of the XRT83L38 must be operated at the same clock rate, either
T1, E1 or J1.
2.
Internally pulled “Low” with a 50k
Ω resistor.
Disabled
Transmit
Receive
JA Path
JA BW Hz
--------
32/32
64/64
FIFO Size
-----
3
-----
10
1.5
0
1
JASEL1
0
1
0
1
JASEL0
T1
E1
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相關代理商/技術參數 |
參數描述 |
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| XRT83L38IB-F | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 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 |
| XRT83L38IV | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83SH314 | 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SH314_0610 | 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SH314ES | 功能描述:外圍驅動器與原件 - PCI 14 CHT1/E1LIU SH RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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