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GS2989 Datasheet, PDF (7/19 Pages) Gennum Corporation – Dual-Slew-Rate, Dual-Output Cable Driver with 3Gb/s Capability
Table 2-1: DC Electrical Characteristics
VCC = 3.3V ±5% or 2.5V ±5%; TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units Notes
Supply Current
IS
1 channel, VCC = 3.3V
–
1 channel, VCC = 2.5V
–
47
53
mA
1
44
50
mA
1
2 channels, VCC = 3.3V
–
76
87
mA
1
2 channels, VCC = 2.5V
–
72
82
mA
1
Power-down
–
1
1.8
mA
1
Output Voltage
VCMOUT Common mode
–
VTERM - VOUT
–
V
–
Input Voltage
VCMIN Common mode
1.4 + ΔVDDI/2
–
VCC - ΔVDDI/2
V
–
SD/HD, DISABLE,
EQ_EN Input
VIH
IIH <= 150μA
VIL
IIL <= 150μA
1.7
–
–
V
–
–
–
0.8
V
–
OSP Drive Strength
–
–
2
–
–
mA
–
NOTES:
1. Power consumed in GS2989 only. Termination resistors draw extra current with output swing = 800mV.
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
VCC = 3.3V ±5% or 2.5V ±5%; TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units
Notes
Serial input data rate
DRSDO
–
.27
–
2.97
Gb/s
1
Additive jitter
–
2.97Gb/s
–
10
–
psp-p
2
–
1.485Gb/s
–
10
–
psp-p
2
–
270Mb/s
–
30
–
psp-p
2
Rise/Fall time
tr, tf
SD/HD=0
–
–
135
ps
3
tr, tf
SD/HD=1
400
–
800
ps
3
Mismatch in rise/fall time Utr, Utf HD/3G modes only
–
–
35
ps
–
Duty cycle distortion
–
SD/HD=0, 2.97Gb/s
–
–
14
ps
4, 5
–
SD/HD=0, 1.485Gb/s
–
–
20
ps
4, 5
–
SD/HD=1
–
–
50
ps
4, 5
Overshoot
–
SD/HD=0,
–
–
10
%
4
GS2989 Dual-Slew-Rate, Dual-Output Cable Driver
with 3Gb/s Capability
Data Sheet
52133 - 4
December 2010
7 of 19