參數(shù)資料
型號： XRT73LC00A
廠商： Exar Corporation
英文描述： E3/DS3/STS-1 LINE INTERFACE UNIT
中文描述： E3/DS3/STS-1線路接口單元
文件頁數(shù)： 12/53頁
文件大小： 376K
代理商： XRT73LC00A
XRT73LC00A
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. P1.0.0
xr
PRELIMINARY
9
35
TXOFF
I
Transmitter OFF Input:
Setting this input pin “High” configures the XRT73LC00A to turn off the Transmit-
ter in the device. When the Transmitter is shut-off, the TTIP and TRING output
pins will be tri-stated in the XRT73LC00A.
N
OTES
:
1. This input pin is NOT ignored if the XRT73LC00A is operating in the
HOST Mode.
2. Tie this pin to GND if the XRT73LC00A is going to be operating in the
HOST Mode.
36
TCLK
I
Transmit Clock Input for TPDATA and TNDATA:
This input pin must be driven at 34.368 MHz for E3 applications, 44.736MHz for
DS3 applications, or 51.84MHz for SONET STS-1 applications. The
XRT73LC00A uses this signal to sample the TPDATA and TNDATA input pins.
The XRT73LC00A is configured to sample these two pins on the falling edge of
this signal.
If the XRT73LC00A is operating in the HOST Mode, then the device can be con-
figured to sample the TPDATA and TNDATA input pins on the rising edge of
TCLK.
37
TPDATA
I
Transmit Positive Data Input:
The XRT73LC00A samples this pin on the falling edge of TCLK. If the device
samples a “1” at this input pin, then it generates and transmits a positive polarity
pulse to the line.
N
OTES
:
1. The data should be applied to this input pin if the Transmit Section is
configured to accept Single-Rail data from the Terminal Equipment.
2. If the XRT73LC00A is operating in the HOST Mode, then the
XRT73LC00A can be configured to sample the TPDATA pin on either the
rising or falling edge of TCLK.
38
TNDATA
I
Transmit Negative Data Input:
The XRT73LC00A samples this pin on the falling edge of TCLK. If the device
samples a “1” at this input pin, then it generates and transmits a negative polarity
pulse to the line.
N
OTES
:
1. This input pin is ignored and should be tied to GND if the Transmit Sec-
tion is configured to accept Single-Rail data from the Terminal Equip-
ment.
2. If the XRT73LC00A is operating in the HOST Mode, then the
XRT73LC00A can be configured to sample the TNDATA pin on either the
rising or falling edge of TCLK.
39
TxAGND
-
Transmit Analog Ground
40
TRING
O
Transmit TIP Output:
The XRT73LC00A uses this pin along with TTIP to transmit a bipolar line signal
via a 1:1 transformer.
N
OTE
:
This output pin along with TTIP is tri-stated anytime the TxOFF input pin
or bit-field is set “high”.
PIN DESCRIPTION
P
IN
#
S
YMBOL
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT73LC00AIV E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC03A 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC03AIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC04A 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC04AIV 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT73LC00A_08 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC00AES 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT73LC00AIV 功能描述:外圍驅(qū)動器與原件 - 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
XRT73LC00AIV-F 功能描述:外圍驅(qū)動器與原件 - PCI 1-Ch DS3, E3, SONET 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
XRT73LC00AIVTR 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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