lx64eb Lattice Semiconductor Corp., lx64eb Datasheet - Page 26

• Manufacturer Part Number: lx64eb
• Description: High Performance Interfacing And Switching
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
sysIO Differential DC Electrical Characteristics
LVPECL
Figure 17. LVPECL Driver with Three Resistor Pack
V
V
V
V
V
V
1. These values are valid at the output of the source termination pack as shown above with 100-ohm differential load only (see Figure 17).
2. Valid for 0.2V ≤ V
LVDS
V
V
I
V
V
V
ΔV
V
ΔV
I
Bus LVDS
V
V
V
ΔV
V
ΔV
I
1. V
IN
OSD
OSD
Parameter
OH
OL
INP
THD
OH
OL
OD
OS
OH
OL
OD
OS
CCO
IH
IL
DIFF
DC Parameter
Symbol
The V
OD
OS
OD
OS
OP
V
2
INM
and V
1
OH
1
levels are 200mV below the standard LVPECL levels and are compatible with devices tolerant of the lower common mode ranges.
OM
Input Voltage
Differential Input Threshold
Input Current
Output High Voltage for V
Output Low Voltage for V
Output Voltage Differential
Change in V
Output Voltage Offset
Change in VOS Between H and L
Output Short Circuit Current
Output High Voltage for V
Output Low Voltage for V
Output Voltage Differential
Change in V
Output Voltage Offset
Change in V
Output Short Circuit Current
are the two outputs of the LVDS output buffer.
CM
Output Supply Voltage
Input Voltage High
Input Voltage Low
Output Voltage High
Output Voltage Low
Differential Input voltage
≤ 1.8V.
Parameter Description
Parameter Description
OD
OD
OS
LVPECL Buffer
ispGDX2
Between High and Low —
Between H and L
Between H and L
Over Recommended Operating Conditions
OP
OP
OP
OP
or V
or V
or V
or V
OM
OM
OM
OM
1/4 of Bourns P/N
CAT 16-PC4F12
Rs
Rs
Min.
1.49
0.86
0.96
—
0.2V ≤ V
Power On
R
R
(V
(V
—
V
Shorted.
R
R
|V
|V
V
Shorted.
1.7
0.3
OD
OD
T
T
T
T
OP
OP
OP
OP
= 100Ω
= 100Ω
= 27Ω
= 27Ω
A
= 0V. Driver Outputs
= 0. Driver Outputs
- V
- VOM| /2, RT = 27Ω
- V
- V
3.0
26
Test Conditions
OM
OM
OM
CM
2.125
Max.
2.72
2.11
1.27
|, RT = 27Ω
), R
)/2, R
≤ 1.8V
T
= 100Ω
T
Zo
Zo
= 100Ω
Min.
1.49
0.86
1.92
1.06
0.3
3.3
2.125
Max.
2.72
2.28
1.43
ispGDX2 Family Data Sheet
+/-100
1.125
Min.
0.95
250
240
0.9
1.1
—
—
—
—
—
—
—
—
—
0
to LVPECL
differential
receiver
Min.
1.49
0.86
2.03
1.25
0.3
Typ.
1.38
1.03
1.25
350
300
1.4
1.1
1.3
36
—
—
—
—
—
—
—
—
3.6
2.125
Max.
1.375
2.72
2.41
1.57
Max.
+/-10
1.60
1.80
450
460
2.4
1.5
50
50
24
27
27
65
—
—
—
Units
Units
mV
mV
mV
mV
mA
mV
mV
mV
mA
µA
V
V
V
V
V
V
V
V
V
V
V
V
V