参数资料
型号: XRT73L02MIV-F
厂商: Exar Corporation
文件页数: 11/46页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 2CH 100TQFP
标准包装: 90
类型: 线路接口装置(LIU)
驱动器/接收器数: 2/2
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
xr
XRT73L02M
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.0
17
3.0
LINE SIDE CHARACTERISTICS:
3.1
E3 LINE SIDE PARAMETERS:
The XRT73L02M line output at the transformer output
meets the pulse shape specified in ITU-T G.703 for
34.368 Mbits/s operation. The pulse mask as speci-
fied in ITU-T G.703 for 34.368 Mbits/s is shown in
Figure 7.
NOTE: The above values are at
TA = 250C and VDD = 3.3 V± 5%.
FIGURE 7. PULSE MASK FOR E3 (34.368 MBITS/S) INTERFACE AS PER ITU-T G.703
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%
TABLE 3: E3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS
PARAMETER
MIN
TYP
MAX
UNITS
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(Measured at secondary of the transformer)
0.9
1.0
1.1
Vpk
Transmit Output Pulse Amplitude Ratio
0.95
1.00
1.05
Transmit Output Pulse Width
12.5
14.55
16.5
ns
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
1200
feet
Interference Margin
-20
-16
dB
Jitter Tolerance @ Jitter Frequency 800KHz
0.15
0.30
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
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