参数资料
型号: LXT361PE
英文描述: Telecommunication IC
中文描述: 通信集成电路
文件页数: 40/52页
文件大小: 1187K
代理商: LXT361PE
LXT361
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
40
Datasheet
Figure 13. 1.544 MHz T1 Pulse (DS1 and DSX-1)
(See
Table 28
)
Table 28. 1.544 MHz T1 Pulse Mask Corner Point Specifications
DS1 Template
(per ANSI T1. 403-1995)
DSX-1 Template
(per ANSI T1. 102-1993)
Minimum Curve
Maximum Curve
Minimum Curve
Maximum Curve
Time
(UI)
Amplitude
Time
(UI)
Amplitude
Time
(UI)
Amplitude
Time
(UI)
Amplitude
-0.77
-0.05
-0.77
0.05
-0.77
-0.05
-0.77
0.05
-0.23
-0.05
-0.39
0.05
-0.23
-0.05
-0.39
0.05
-0.23
0.50
-0.27
0.80
-0.23
0.50
-0.27
0.80
-0.15
0.90
-0.27
1.20
-0.15
0.95
-0.27
1.15
0.0
0.95
-0.12
1.20
0.0
0.95
-0.12
1.15
0.15
0.90
0.0
1.05
0.15
0.90
0.0
1.05
0.23
0.50
0.27
1.05
0.23
0.50
0.27
1.05
0.23
-0.45
0.34
-0.05
0.23
-0.45
0.35
-0.07
0.46
-0.45
0.77
0.05
0.46
-0.45
0.93
0.05
0.61
-0.26
1.16
0.05
0.66
-0.20
1.16
0.05
0.93
-0.05
0.93
-0.05
1.16
-0.05
1.16
-0.05
Table 29. Master and Transmit Clock Timing Characteristics for T1 Operation
(See Figure 14)
Parameter
Sym
Min
Typ
1
Max
Unit
Notes
Master clock frequency
MCLK
1.544
MHz
must be supplied
Master clock tolerance
MCLKt
±50
ppm
Master clock duty cycle
MCLKd
40
60
%
Transmit clock frequency
TCLK
1.544
MHz
1. Typical figures are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
Time
(in Unit Intervals)
0.5
1.0
1.5
-0.5
Normalized Amplitude
0.0
0.5
1.0
1.5
-0.5
1.5
Time
(in Unit Intervals)
0.5
1.0
-0.5
Normalized Amplitude
0.0
0.5
1.0
1.5
-0.5
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