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參數(shù)資料
| 型號： | XRT83SH38 |
| 廠商： | Exar Corporation |
| 英文描述： | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| 中文描述： | 8通道的T1/E1/J1短途線路接口單元 |
| 文件頁數(shù)： | 16/78頁 |
| 文件大?。?/td> | 606K |
| 代理商： | XRT83SH38 |
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XRT83SH38
13
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
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.
N
OTE
:
All channels must operate at the same clock rate, either T1, E1 or J1. This
pin is internally pulled "Low" with a 50k
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.
N
OTE
:
All channels of the XRT83SH38 must be operated at the same clock rate,
either T1, E1 or J1. This pin is internally pulled “Low” with a 50k
resistor.
CLKSEL0
CLKSEL1
CLKSEL2
A8
B8
C8
I
Clock Select inputs for Master Clock Synthesizer
Hardware Mode Only
CLKSEL[2:0] are input signals to a programmable frequency synthesizer that can be
used to generate a master clock from an external accurate clock source according to
the table below. MCLKRATE is automatically generated from the state of the
EQC[4:0] pins.
N
OTE
:
These pins are internally pulled “Low” with a 50k
resistor.
S
IGNAL
N
AME
BGA
L
EAD
#
T
YPE
D
ESCRIPTION
2048
2048
2048
1544
MCLKE1
kHz
8
16
16
56
8
56
64
64
128
256
256
128
2048
2048
1544
1544
MCLKT1
kHz
1544
X
X
X
1544
X
X
X
X
X
X
X
2048
1544
2048
CLKOUT/
kHz
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
0
0
1
1
CLKSEL0
0
1
1
0
0
0
1
1
0
1
1
0
0
0
0
0
CLKSEL1
1
1
1
0
1
0
0
0
1
1
1
1
0
0
0
0
CLKSEL2
0
0
0
1
0
1
1
1
1
1
1
1
0
1
0
0
0
0
1544
2048
X
X
2048
1544
0
1
0
1
MCLKRATE
1
0
1
0
0
1
0
1
1
0
1
0
0
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT83SH38_0609 | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SH38IB | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216 | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216_06 | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216IB | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SH38_0609 | 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SH38ES | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 8 CHT1/E1LIUSH RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SH38IB | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SH38IB-F | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SL216 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
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