TQ8710
DATA SHEET
3
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Table 3. DC Characteristics—LVPECL I/O
3
Parameter
Input common mode voltage range
Input differential voltage (pk-pk)
Output common mode voltage range
Output differential voltage (pk-pk)
Equivalent Input resistance
Input capacitance
Output capacitance
ESD breakdown rating
Condition
Symbol
V
ICOM
V
IDIFF
V
OCOM
V
ODIFF
R
IN
C
IN
C
OUT
V
ESD
Minimum
V
DD
– 1500
600
V
DD
-1500
1200
—
—
—
1000
Nominal
—
—
—
—
50
0.5
0.5
—
Maximum
V
DD
– 1100
2400
V
DD
– 1100
2400
—
—
—
—
Unit
mV
mV
mV
mV
(1)
(1,2)
KW
pF
pF
V
Notes: 1. Differential Input Peak-Peak = 2| Vin - NVin |. LVDS signals up to 622MHz can be AC coupled, see application note #1.
The minimum input sensitivity under these conditions is 500mV.
2. R
LOAD
= 50 ohms to V
TT
= V
DD
– 2.0V.
3. Specifications apply over recommended operating ranges.
Table 4. AC Characteristics
Parameter
Data Rate/port
Clock Rate/port
Input pulse width
Rise/Fall time 20-80%
Jitter (pk-pk)
Jitter (RMS-fixed frequency)
Notes: 1. Measured at crossing point of true and complement
2. Crossing of (On) – (NOn) measured with 2
23
– 1 PRBS, measured over extended time.
Condition
Symbol
Minimum
2.7
1.5
333
—
—
—
Nominal
Maximum
Unit
Gb/s
GHz
ps
ps
ps
ps
(1)
T
pw
T
r/f
T
jitter
T
jitter
—
100
6
0.6
—
150
10
1
(2)
Table 5. Timing Specifications
Parameter
Channel Propagation Delay
Ch-to-Ch Prop. Delay Skew
Condition
(1)
(1)
Symbol
T
pd
T
skew
Minimum
—
—
Nominal
—
—
Maximum
1000
50
Unit
ps
ps
Notes:
1. Measured at crossing point of true and complement