参数资料
型号: XRT75R12IB
厂商: Exar Corporation
文件页数: 32/90页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 12CH 420TBGA
标准包装: 40
类型: 线路接口装置(LIU)
驱动器/接收器数: 12/12
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: 420-LBGA 裸露焊盘
供应商设备封装: 420-TBGA(35x35)
包装: 托盘
XRT75R12
35
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.4
TABLE 9: DS3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-499)
NOTE: The above values are at TA = 250C and VDD = 3.3V ± 5%.
TABLE 8: DS3 PULSE MASK EQUATIONS
TIME IN UNIT INTERVALS
NORMALIZED AMPLITUDE
LOWER CURVE
-0.85
< T < -0.36
- 0.03
-0.36
< T < 0.36
0.36
< T < 1.4
- 0.03
UPPER CURVE
-0.85
< T < -0.68
0.03
-0.68
< T < 0.36
0.36
< T < 1.4
0.08 + 0.407 x e-1.84[T-0.36]
PARAMETER
MIN
TYP
MAX
UNITS
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
0.65
0.75
0.85
Vpk
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
0.90
1.00
1.10
Vpk
Transmit Output Pulse Width
10.10
11.18
12.28
ns
Transmit Output Pulse Amplitude Ratio
0.90
1.00
1.10
Transmit Intrinsic Jitter
0.02
0.05
UIpp
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
1100
feet
Jitter Tolerance @ 400 KHz (Cat II)
0.15
UIpp
Signal Level to Declare Loss of Signal
Refer to
Table 3
Signal Level to Clear Loss of Signal
Refer to
Table 3
0.5 1
π
2
--- 1
T
0.18
-----------
+
sin
+
0.03
0.5 1
π
2
--- 1
T
0.34
-----------
+
sin
+
0.03
+
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