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LMH0056_07 Datasheet, PDF (7/16 Pages) National Semiconductor (TI) – HD/SD SDI Reclocker with 4:1 Input Multiplexer
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AC Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified. (Note 3)
Symbol
Parameter
Conditions
Reference
Min
BRSD
BRSD
BRSD
Serial Data Rate
Serial Data Rate
Serial Data Rate
SMPTE 259M, A
SMPTE 259M, C
SMPTE 292M
SDI, SDO
TOLJIT
TOLJIT
TOLJIT
TOLJIT
tJIT
tJIT
tJIT
BWLOOP
FCO
FCO
FCO
FCO
tJIT
TACQ
tr, tf
tr, tf
tr, tf
tr, tf
tr, tf
FREF
FTOL
Serial Input Jitter
Tolerance
143 or 270 Mbps,
(Notes 7, 9, 12)
Serial Input Jitter
Tolerance
143 or 270 Mbps,
(Notes 7, 8, 10)
Serial Input Jitter
Tolerance
1483 or 1485 Mbps,
(Notes 7, 8, 9)
Serial Input Jitter
Tolerance
1483 or 1485 Mbps,
(Notes 7, 8, 10)
Serial Data Output Jitter 143 Mbps, (Notes 8, 11)
Serial Data Output Jitter 270 Mbps, (Notes 8, 11)
Serial Data Output Jitter 1483 or 1485 Mbps,
(Notes 8, 11)
Loop Bandwidth
270 Mbps,
<0.1dB Peaking
1485 Mbps,
<0.1dB Peaking
Serial Clock Output
Frequency
143 Mbps data rate
Serial Clock Output
Frequency
270 Mbps data rate
Serial Clock Output
Frequency
1483 Mbps data rate
Serial Clock Output
Frequency
1485 Mbps data rate
Serial Clock Output Jitter
Serial Clock Output
Alignment with respect to
Data Interval
Serial Clock Output Duty
Cycle
Acquisition Time
Auto-Rate Detect Mode,
(Notes 4, 6)
Fixed Rate Mode,
(Notes 4, 6)
Input rise/fall time
10%–90%
Input rise/fall time
20%–80%, 143 or 270
Mbps
Input rise/fall time
20%–80%, 1483 or 1485
Mbps
Output rise/fall time
10%–90%
Output rise/fall time
20%–80%, (Note 5)
Reference Clock
Frequency
Reference Clock
Frequency Tolerance
SDI
SDO
SCO
SDO, SCO
SCO
Logic inputs
SDI
Logic outputs
SDO, SCO
>0.6
>6
>0.6
40
45
Typ
143
270
1483,
1485
>6
0.02
0.02
0.05
300
2.0
143
270
1483
1485
2
10
1
1.5
1.5
90
27
±50
Max
0.08
0.08
0.1
3
60
55
16
6
3
1500
270
3
130
Units
Mbps
Mbps
Mbps
UIP-P
UIP-P
UIP-P
UIP-P
UIP-P
UIP-P
UIP-P
kHz
MHz
MHz
MHz
MHz
MHz
psRMS
%
%
ms
ms
ns
ps
ps
ns
ps
MHz
ppm
7
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