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參數(shù)資料
| 型號： | XRT83SH314IB-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 15/101頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 14CH 304TBGA |
| 標準包裝： | 27 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動器/接收器數(shù)： | 14/14 |
| 規(guī)程： | T1，E1，J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 304-BBGA |
| 供應(yīng)商設(shè)備封裝： | 304-PBGA（31x31） |
| 包裝： | 托盤 |
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XRT83SH314
16
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
2.1
Line Termination (RTIP/RRING)
2.1.1
CASE 1: Internal Termination
The input stage of the receive path accepts standard T1/E1/J1 twisted pair or E1 coaxial cable inputs through
RTIP and RRING. The physical interface is optimized by placing the terminating impedance inside the LIU.
This allows one bill of materials for all modes of operation reducing the number of external components
necessary in system design.
The receive termination impedance (along with the transmit impedance) is
selected by programming TERSEL[1:0] to match the line impedance. Selecting the internal impedance is
shown in Table 2.
The XRT83SH314 has the ability to switch the internal termination to "High" impedance by programming
RxTSEL in the appropriate channel register. For internal termination, set RxTSEL to "1". By default, RxTSEL
is set to "0" ("High" impedance). For redundancy applications, a dedicated hardware pin (RxTSEL) is also
available to control the receive termination for all channels simultaneously. This hardware pin takes priority
over the register setting if RxTCNTL is set to "1" in the appropriate global register. If RxTCNTL is set to "0", the
state of this pin is ignored. See Figure 4 for a typical connection diagram using the internal termination.
FIGURE 4. TYPICAL CONNECTION DIAGRAM USING INTERNAL TERMINATION
TABLE 2: SELECTING THE INTERNAL IMPEDANCE
TERSEL[1:0]
RECEIVE TERMINATION
0h (00)
100
1h (01)
110
2h (10)
75
3h (11)
120
R
TIP
R
RING
XRT83SH314 LIU
1:1
Internal Impedance
Line Interface T1/E1/J1
One Bill of Materials
Receiver
Input
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT83SH38IB-F | IC LIU SH T1/E1/J1 8CH 225BGA |
| XRT86L30IV-F | IC LIU/FRAMER TI/E1/J1 SGL 128LQ |
| XRT86VL30IV-F | IC FRAMR/LIU T1/E1/J1 QD 128LQFP |
| XRT86VL32IB-F | IC LIU/FRAMER T1/E1/J1 2CH 225BG |
| XRT86VL34IB-F | IC LIU/FRAMER T1/E1/J1 4CH 225BG |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SH314IB-SAK | 制造商:Exar Corporation 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT 制造商:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SH38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| 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: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT83SH38IB | 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: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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