参数资料
型号: LXT386LE
英文描述: PCM TRANSCEIVER|QUAD|CEPT PCM-30/E-1|CMOS|QFP|100PIN|PLASTIC
中文描述: 的PCM收发器|四|优税PCM-30/E-1 |的CMOS | QFP封装| 100引脚|塑料
文件页数: 60/80页
文件大小: 1112K
代理商: LXT386LE
LXT384
Octal T1/E1/J1 Transceiver
60
Datasheet
Input jitter tolerance before FIFO
overflow or underflow
32bit
FIFO
-
24
-
UI
64bit
FIFO
-
56
-
UI
E1 jitter attenuation
@ 3 Hz
@ 40 Hz
@ 400 Hz
@ 100 KHz
-0.5
-0.5
+19.5
+19.5
dB
ITU-T G.736, See
Figure 34 on
page 75
T1 jitter attenuation
@ 1 Hz
@ 20 Hz
@ 1 KHz
@ 1.4 KHz
@ 70 KHz
0
0
33.3
40
40
dB
AT&T Pub. 62411, See
Figure
34 on page 75
Output Jitter in remote loopback
1
0.060
0.11
UI
ETSI CTR12/13 Output jitter
Table 43. Analog Test Port Characteristics
Parameter
Sym
Min.
Typ
Max
Unit
Test Condition
3 dB bandwidth
At13db
-
5
-
MHz
Input voltage range
At1iv
0
-
VCC0
VCC1
V
Output voltage range
At2ov
0
-
VCC0
VCC1
V
Table 44. Transmit Timing Characteristics (Sheet 1 of 2)
Parameter
Sym
Min.
Typ
Max
Unit
Test Condition
Master clock frequency
E1
MCLK
2.048
MHz
T1
MCLK
1.544
MHz
Master clock tolerance
-100
100
ppm
Master clock duty cycle
40
60
%
Output pulse width
E1
Tw
219
244
269
ns
T1
Tw
291
324
356
ns
Transmit clock frequency
E1
Tclke1
-
2.048
-
MHz
T1
Tclkt1
-
1.544
-
MHz
Transmit clock tolerance
Tclkt
-50
+50
ppm
Transmit clock burst rate
Tclkb
-
20
MHz
Gapped transmit clock
Transmit clock duty cycle
Tdc
10
90
%
NRZ mode
E1 TPOS/TNEG pulse width (RZ mode)
Tmpwe1
236
252
ns
RZ mode (TCLK = H for
>16 clock cycles)
TPOS/TNEG to TCLK setup time
Tsut
20
-
-
ns
Table 42. Jitter Attenuator Characteristics (Sheet 2 of 2)
Parameter
Min.
Typ
Max
Unit
Test Condition
1. Guaranteed by design and other correlation methods.
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