ort8850 Lattice Semiconductor Corp., ort8850 Datasheet - Page 73
ort8850
Manufacturer Part Number
ort8850
Description
Field-programmable System Chip Fpsc Eight-channel X 850 Mbits/s Backplane Transceiver
Manufacturer
Lattice Semiconductor Corp.
Datasheet
1.ORT8850.pdf
(105 pages)
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Lattice Semiconductor
Embedded Core LVDS I/O
Table 28. Driver DC Data
Table 29. Driver AC Data
Output Voltage High, V
Output Voltage Low, V
Output Differential Voltage
Output Offset Voltage
Output Impedance, Differential
R
Change in Differential Voltage Between
Complementary States
Change in Output Offset Voltage
Between Complementary States
Output Current
Output Current
Power-off Output Leakage
1. V
2. External reference, REF10 = 1.0 V ± 3%, REF14 = 1.4 V ± 3%.
V
V
Differential Skew
|t
1. V
PHLA
OD
OD
O
Mismatch Between A and B
DD
DD
Fall Time, 80% to 20%
Rise Time, 20% to 80%
33 = 3.1 V—3.5 V, V
33 = 3.1V - 3.5 V, V
– t
PLHB
Parameter
Parameter
| or |t
PHLB
OA
OA
DD
DD
or V
15 = 1.4V - 1.6 V, -40˚C.
or V
– t
15 = 1.4 V—1.6 V, –40 ˚C.
PLHA
1
OB
OB
|
|Ixa|, |Ixb|
⏐Δ V
Symbol
Symbol
I
⏐V
t
Δ V
SA,
SKEW1
Δ R
V
V
I
V
SAB
R
t
t
OH
OD
OS
OL
R
F
OD
o
OS
I
O
SB
⏐
⏐
R
R
R
R
V
V
R
R
Driver shorted to GND
Drivers shorted together
V
V
Z
C
Z
C
Any differential pair on pack-
age at 50% point of the tran-
sition
CM
CM
DD
PAD
L
L
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
PAD
PAD
= 100 Ω ± 1%
= 100 Ω ± 1%
= 0 V
= 1.0 V and 1.4 V
= 1.0 V and 1.4 V
, V
= 3.0 pF, C
= 3.0 pF, C
Test Conditions
Test Conditions
73
= 100 Ω ± 1%
= 100 Ω ± 1%
= 100 Ω ± 1%
= 100 Ω ± 1%
= 100 Ω ± 1%
= 100 Ω ± 1%
PADN
= 0 V—2.5 V
PAD
PAD
= 3.0 pF
= 3.0 pF
ORCA ORT8850 Data Sheet
0.925
1.125
Min.
Min.
0.25
100
100
80
—
—
—
—
—
—
—
—
Typ.
Typ.
100
—
—
—
—
—
—
—
—
—
—
—
—
—
1.475
1.275
Max.
Max.
0.45
120
210
210
10
25
25
24
12
10
50
—
Units
Units
mV
mV
mA
mA
mA
ps
ps
ps
W
%
V
V
V
V