參數(shù)資料
型號: QL82SD-PQ208
廠商: Electronic Theatre Controls, Inc.
英文描述: 10 High Speed Bus LVDS Serial Links bandwidth up to 5 Gbps
中文描述: 10高速總線LVDS串行鏈路的帶寬高達(dá)5Gbps的
文件頁數(shù): 14/60頁
文件大?。?/td> 3838K
代理商: QL82SD-PQ208
www.quicklogic.com
2002 QuickLogic Corporation
QL82SD Device Data Sheet Rev C
Preliminary
14
SERDES Timing Requirements
NOTE:
Both
Table 14
and
Table 15
refer to CDR (10:1) Mode for ChX_txclk and
Channel Link (8:1, 7:1, 4:1) Mode for ClkX_txclk
Figure 17: Serializer Transmit Clock / Deserializer Reference Clock Transition Times
Table 14: Serializer / Transmitter Transmit Clock
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
TCP
Transmit Clock Period
Mode
Dependent
n/a
T
n/a
nS
t
TDC
t
CLKT
Transmit Clock Duty Cycle
45
50
55
%
Transmit Clock Input Transition Time
Figure 17
1
n/a
n/a
V/nS
t
JIT
Transmit Clock Input Jitter
n/a
n/a
150.0
pS
(RMS)
Table 15: Deserializer / Receiver Transmit Clock
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
RFCP
Reference Clock Period
Mode
Dependent
n/a
T
n/a
nS
t
RFDC
Reference Clock Duty Cycle
40
50
60
%
t
RFCP/
t
TCP
Ratio of Reference Clock to
Transmit Clock
0.4
0.5
0.6
n/a
t
RFTT
Reference Clock Transition Time
Figure 17
1
n/a
n/a
V/nS
90%
90%
10%
10%
txclk
tclkT/tRFTT
tclkT/tRFTT
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