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參數(shù)資料
| 型號： | XRT83VSH38IB |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA225 |
| 封裝： | 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-225 |
| 文件頁數(shù)： | 9/76頁 |
| 文件大?。?/td> | 722K |
| 代理商： | XRT83VSH38IB |
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XRT83VSH38
6
REV. 1.0.7
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
RTIP0
RTIP1
RTIP2
RTIP3
RTIP4
RTIP5
RTIP6
RTIP7
C1
G1
G18
C18
U1
L1
L18
T18
I
Receive Differential Tip Input
RTIP is the positive differential input from the line interface. Along with the RRING
signal, these pins should be coupled to a 1:1 transformer for proper operation.
RRING0
RRING1
RRING2
RRING3
RRING4
RRING5
RRING6
RRING7
D1
F1
F18
D18
T1
M1
M18
R18
I
Receive Differential Ring Input
RRING is the negative differential input from the line interface. Along with the RTIP-
signal, these pins should be coupled to a 1:1 transformer for proper operation.
RXMUTE
T12
I
Receive Data Muting
Hardware Mode Only
This pin is AND-ed with each of the RLOS functions on a per channel basis. There-
fore, if this pin is pulled "High" and a given channel experiences a loss of signal, then
the RPOS/RNEG output pins are automatically pulled "Low" to prevent data chatter-
ing. To disable this feature, the RxMUTE pin must be pulled "Low".
N
OTE
:
This pin is internally pulled “High” with a 50k
resistor
RXRES1
RXRES0
R10
V10
I
Receive External Resistor Control Pins
Hardware mode Only
These pins are used in the Receive Internal Impedance mode for unique applica-
tions where an accurate resistor can be used to achieve optimal return loss. When
RxRES[1:0] are used, the LIU automatically sets the internal impedance to match
the line build out. For example: if 240
is selected, the LIU chooses an internal
impedance such that the parallel combination equals the impedance chosen by
TERSEL[1:0].
"00" = No External Fixed Resistor
"01" = 240
"10" = 210
"11" = 150
N
OTE
:
These pins are internally pulled “Low” with a 50k
resistor. This feature is
available in Host mode by programming the appropriate channel register.
RCLKE/
μPTS1
J16
I
Receive Clock Edge
Hardware Mode
This pin is used to select which edge of the recovered clock is used to update data to
the receiver on the RPOS/RNEG outputs. By default, data is updated on the risinge
edge. To udpdate data on the falling edge, this pin must be pulled "High".
Host Mode
μ
PTS[2:1] pins are used to select the type of microprocessor to be used for Host
communication.
"00" = 8051 Intel Asynchronous
"01" = 68K Motorola Asynchronous
N
OTE
:
This pin is internally pulled “Low” with a 50k
resistor.
S
IGNAL
N
AME
BGA
L
EAD
#
T
YPE
D
ESCRIPTION
相關PDF資料 |
PDF描述 |
|---|---|
| XRT84L14 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L18 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38_06 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38IB | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83VSH38IB-F | 功能描述:外圍驅動器與原件 - PCI 8 Channel Short-Haul 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 |
| XRT83VSH38IB-F | 制造商:Exar Corporation 功能描述:T1/E1 LIU IC |
| XRT84L38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38IB | 功能描述:網(wǎng)絡控制器與處理器 IC 8 Ch T1/E1 Framer 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 |
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