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參數(shù)資料
| 型號： | XRT83SH314IB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 41/101頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 14CH 304TBGA |
| 標(biāo)準(zhǔn)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
40
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
4.7
Analog Board Continuity Check
This test verifies the per-channel continuity from the Line Side of TIP and RING for both the transmitters and
receivers, through the transformers on the assembly and LIU. Inside the LIU, a MUX and Control logic using
TMS and TCK as reset and clock, successively connect each TIP and RING on the XRT83SH314S side to two
Analog Test Pins, (ATP_TIP and ATP_RING). Simplified block and timing diagrams are shown in Figure 32
and Figure 33.
4.7.1
Transmitter TTIP and TRING Testing
Testing of each channel must be done in sequence. With a clock signal applied to TCK, Setting TMS to “0” will
begin the test sequence. On the falling edge of the 1st clock pulse after TMS is set to “0”, the sequence will
reset as shown in Figure 33 above. On the 2nd falling clock edge the signal on ATP_TIP and ATP_RING will
be TTIP_0 and TRING_0, respectively. On the falling edge of the 17th clock pulse the signal on ATP_TIP and
ATP_RING wiill be RTIP_0 and RRING_0, respectively. After the 30th clock pulse TMS can be returned to a “1”
and all channels will return to their normal state.
Device side testing is implemented via the ATP_TIP and ATP_RING pins. The Line side Testing is done via the
Line Side Receive and Transmit TIP and RING connections.
Each channel of the device can be tested from the line side by doing the following:
1. Apply a differental 2Vpp, 1MHz signal to the each Line Side channel TTIP and TRING pins.
2. Measure the signal at the device ATP_TIP and ATP_RING pins.
FIGURE 32. ATP TESTING BLOCK DIAGRAM
FIGURE 33. TIMING DIAGRAM FOR ATP TESTING
XRT83SH314
1:2
1:1
LINE SIDE Tx
LINE SIDE Rx
TIP
RING
TIP
RING
TTIP_n
TRING_n
RRING_n
RTIP_n
MUX
&
Control Logic
TCK
TMS
ATP_TIP
ATP_RING
n = 0:13
Reset
Tx0
Tx1
Tx2
4
Rx0
Tx13
3
30
19
18
17
16
15
2
1
RX13
Rx2
Rx1
TCK
TMS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SH314IB-F | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| 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(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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