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GS2964 Datasheet, PDF (7/17 Pages) Gennum Corporation – SMPTE 424M, SMPTE 292M and SMPTE 259M compliant | |||
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2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
VCC = 3.3V ±5%, TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units Notes
Serial input data rate
DRSDO
â
143
â
2970
Mb/s
â
Input Voltage Swing
ÎVSDI
TA =25°C, differential,
720
800
950
mVp-p
1
270Mb/s and 1.485Gb/s
TA =25°C, differential,
2.97Gb/s
720
800
880
mVp-p
1
Output Voltage Swing
ÎVSDO
100Ω load, TA =25°C,
differential
650
800
950
mVp-p
â
Output Jitter of Various
Cable Lengths and Data
Rates
â
270Mb/s
â
0.2
â
UI
2
Belden 1694A: 0-180m
â
1.485Gb/s
â
0.25
â
UI
2
Belden 1694A: 0-140m
â
2.97Gb/s
â
0.35
â
UI
2
Belden 1694A: 0-100m
Output Rise/Fall time
â
2.97Gb/s & 1.485Gb/s
20% - 80%
35
65
90
ps
â
270Mb/s (see Section 4.6)
Mismatch in rise/fall time
â
â
â
30
â
ps
â
Duty cycle distortion
â
â
â
â
30
ps
â
Overshoot
â
â
â
â
10
%
â
Input Return Loss
â
â
15
â
â
dB
3
Input Resistance
â
single ended
â
1.7
â
kΩ
â
Input Capacitance
â
single ended
â
1
â
pF
â
Output Resistance
â
single ended
â
50
â
Ω
â
NOTES:
1. 0m cable length.
2. Based on characterization data using the recommended applications circuit, at VCC = 3.3V, TA = 25°C and 800mV launch swing from the SDI
cable driver.
3. Tested on GS2964 board from 5MHz to 3GHz.
GS2964 Adaptive Cable Equalizer
Data Sheet
51913 - 3
March 2010
7 of 17
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