Table 2-2: DC Electrical Characteristics (Continued)
VCC = 3.3V 5ꢀ or 2.5V 5ꢀ% TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol Conditions
Min
Typ
Max
Units Notes
VIH
VIL
—
IIH <= 150μA
IIL <= 150μA
—
1.7
—
2
—
—
—
—
0.4
—
V
V
—
—
—
SD/HD, DISABLE,
EQ_EN Input
OSP Drive Strength
mA
Notes:
1. Power consumed in GS2988 only. Termination resistors draw extra current.
2.3 AC Electrical Characteristics
Table 2-3: AC Electrical Characteristics
VCC = 3.3V 5ꢀ or 2.5V 5ꢀ% TA = -40°C to +85°C, unless otherwise shown
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Notes
DRSDO
Serial Input Data Rate
—
.27
—
—
10
10
30
—
—
2.97
—
Gb/s
pspp
pspp
pspp
1
2
2
2
3
3
—
—
2.97Gb/s
1.485Gb/s
270Mb/s
SD/HD=0
SD/HD=1
Additive Jitter
—
—
—
—
—
tr, tf
tr, tf
—
135
800
ps
ps
Rise/Fall Time
400
Mismatch in Rise/Fall
Time
Utr, Utf
HD/3G modes only
—
—
35
ps
—
—
—
—
—
SD/HD=0, 2.97Gb/s
SD/HD=0, 1.485Gb/s
SD/HD=1
—
—
—
—
14
20
50
ps
ps
4, 5
4, 5
4, 5
4
Duty Cycle Distortion
—
—
ps
Overshoot
SD/HD=0,
—
—
10
—
ꢀ
5MHz — 1.485GHz
1.485GHz — 2.97GHz
RSET = 750Ω
17
13
750
19
15
800
dB
6
Output Return Loss
Output Voltage Swing
ORL
—
dB
6
VOUT
mVpp
850
4
GS2988
Final Data Sheet
7 of 18
Semtech
www.semtech.com
Rev.6
GENDOC-052131 July 2015
SEMTECH [ SEMTECH CORPORATION ]
