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GS2964 Datasheet, PDF (7/17 Pages) Gennum Corporation – SMPTE 424M, SMPTE 292M and SMPTE 259M compliant
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
–
143
–
2970
Mb/s
–
Input Voltage Swing
ΔVSDI
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
ΔVSDO
100Ω load, TA =25°C,
differential
650
800
950
mVp-p
–
Output Jitter of Various
Cable Lengths and Data
Rates
–
270Mb/s
–
0.2
−
UI
2
Belden 1694A: 0-180m
–
1.485Gb/s
–
0.25
−
UI
2
Belden 1694A: 0-140m
–
2.97Gb/s
–
0.35
−
UI
2
Belden 1694A: 0-100m
Output Rise/Fall time
–
2.97Gb/s & 1.485Gb/s
20% - 80%
35
65
90
ps
–
270Mb/s (see Section 4.6)
Mismatch in rise/fall time
–
–
–
30
–
ps
–
Duty cycle distortion
–
–
–
–
30
ps
–
Overshoot
–
–
–
–
10
%
–
Input Return Loss
–
–
15
–
–
dB
3
Input Resistance
–
single ended
–
1.7
–
kΩ
–
Input Capacitance
–
single ended
–
1
–
pF
–
Output Resistance
–
single ended
–
50
–
Ω
–
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