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GS2971 Datasheet, PDF (24/148 Pages) Semtech Corporation – 3Gb/s, HD, SD SDI Receiver, with Integrated Adaptive Cable Equalizer complete with SMPTE Audio and Video Processing
Table 2-4: AC Electrical Characteristics (Continued)
Guaranteed over recommended operating conditions unless otherwise noted.
Parameter
Symbol
Conditions
Min Typ Max Units Notes
Input Return Loss
Input Resistance
Input Capacitance
–
single ended
–
single ended
–
single ended
15
21
–
dB
7
–
1.52
–
kΩ
–
–
1
–
pF
–
Serial Digital Output
Serial Output Data Rate
Serial Output Swing
Serial Output Rise Time
20% ~ 80%
Serial Output Fall Time
20% ~ 80%
Serial Output Jitter with
loop-through mode
Serial Output Duty Cycle
Distortion
Synchronous lock time
Asynchronous lock time
Lock time from power-up
DRSDO
–
0.27
–
2.97
Gb/s
–
ΔVSDO
Differential with 100Ω
load
320
–
600
mVp-p
–
trSDO
–
–
–
180
ps
–
tfSDO
–
–
–
180
ps
–
tOJ
3G, PRBS23, Belden
1694A cable, 140m
–
–
100
ps
–
HD, PRBS23, Belden
1694A cable, 210m
–
–
100
ps
–
SD, PRBS23, Belden
1694A cable, 440m
–
–
470
ps
–
DCDSDD
3G
HD
–
10
–
ps
–
–
10
–
ps
–
SD
–
20
–
ps
–
–
–
–
–
25
μs
–
–
–
0.1
–
20
ms
–
–
After 20 minutes at
-20°C
–
–
5
s
–
GSPI
GSPI Input Clock Frequency
fSCLK
–
–
60
MHz
5
GSPI Input Clock Duty Cycle
DCSCLK
50% levels
40
50
60
%
5
GSPI Input Data Setup Time
–
3.3V or 1.8V operation
1.5
–
–
ns
5
GSPI Input Data Hold Time
–
1.5
–
–
ns
5
GSPI Output Data Hold Time
–
–
1.5
–
–
ns
5
CS low before SCLK rising edge
–
50% levels
1.5
–
–
ns
5
3.3V or 1.8V operation
Time between end of command
–
37.1
–
–
ns
5
word (or data in Auto-Increment
50% levels
mode) and the first SCLK of the
3.3V or 1.8V operation
following data word - write cycle
GS2971 3Gb/s, HD, SD SDI Receiver
Data Sheet
45898 - 2
September 2012
24 of 148