参数资料
型号: LXT6155LE
元件分类: 通信、网络模块及开发工具
英文描述: Telecomm/Datacomm
中文描述: 电信/数据通信
文件页数: 39/48页
文件大小: 1105K
代理商: LXT6155LE
Intel
LXT6155 155 Mbps SDH/SONET/ATM Transceiver
Datasheet
39
Table 31. Receive Timing Characteristics
(See
Figure 20
and
Figure 21
)
Parameter
Sym
Min
Typ
1
Max
Unit
Test Conditions
Receive serial output clock
frequency
RSOCLKp
RSOCLKn
155.5
2
MHz
Receive serial output clock
duty cycle
RSOCLKdc
45
55
%
Receive serial output clock
and data rise/fall time
2
-
1.2
ns
20% - 80%.
RSOCLKP/RSOCLKN to
RPOS/RNEG propagation
delay
RSOCLKpd
-0.5
1.5
ns
Receive parallel output clock
frequency
RPOCLK
19.44
MHz
Receive parallel output clock
duty cycle
RPOCPdc
45
55
%
Receive parallel output data
& clock rise/fall time
RPOCLKt
2
5
ns
RPOCLK to RPOD<0:7>
propagation delay
RPOCLKpd
0
7
ns
RPOCLK to ROFP
propagation delay
ROFPpd
0
4
ns
Reference Input Clock into
XTALIN pin (TTL)
REFCLK
19.44
MHz
The REFCLK replaces the
crystal
Reference Clock Offset from
Nominal
-100
100
ppm
1. Typical values are at 25 C and 3.3 V. They are for design aid only; not guaranteed and not subject to
production testing.
2. Not production tested, guaranteed by design and other correlation factors.
Figure 20. Receive Serial Output Data Timing
(See
Table 31
)
RSOCLKN
RPOS
RNEG
RSOCLKP
RSOCLKPD
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