參數(shù)資料
型號(hào): XRT75VL00IVTR-F
廠(chǎng)商: Exar Corporation
文件頁(yè)數(shù): 13/50頁(yè)
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 1CH 52TQFP
標(biāo)準(zhǔn)包裝: 1,000
類(lèi)型: 線(xiàn)路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 52-LQFP
供應(yīng)商設(shè)備封裝: 52-TQFP(10x10)
包裝: 帶卷 (TR)
XRT75VL00
18
E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.6
3.0
LINE SIDE CHARACTERISTICS:
3.1
E3 line side parameters:
The XRT75VL00 meets the pulse shape specified in ITU-T G.703 for 34.368 Mbits/s operation at the
secondary of the transformer. The pulse mask as specified in ITU-T G.703 for 34.368 Mbits/s is shown in
Figure 7.
FIGURE 7. PULSE MASK FOR E3 (34.368 MBITS/S) INTERFACE AS PER ITU-T G.703
TABLE 3: E3 TRANSMITTER AND RECEIVER LINE SIDE SPECIFICATIONS (TA = 250C AND VDD = 3.3 V ± 5%)
PARAMETER
MIN
TYP
MAX
UNITS
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(Measured at secondary of the transformer)
0.90
1.00
1.10
Vpk
Transmit Output Pulse Amplitude Ratio
0.95
1.00
1.05
Transmit Output Pulse Width
12.5
14.55
16.5
ns
Intrinsic Jitter
0.02
0.05
UIPP
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
1200
feet
Interference Margin
-20
-15
dB
Jitter Tolerance @ Jitter Frequency 800KHz
0.15
0.28
UIPP
Signal level to Declare Loss of Signal
-35
dB
Signal Level to Clear Loss of Signal
-15
dB
Occurence of LOS to LOS Declaration Time
10
255
UI
Termination of LOS to LOS Clearance Time
10
255
UI
0%
50%
V = 100%
14.55ns
Nominal Pulse
12.1ns
(14.55 - 2.45)
17 ns
(14.55 + 2.45)
8.65 ns
10%
20%
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