LFE2-6E-5FN256C LATTICE SEMICONDUCTOR, LFE2-6E-5FN256C Datasheet - Page 68
LFE2-6E-5FN256C
Manufacturer Part Number
LFE2-6E-5FN256C
Description
FPGA LatticeECP2 Family 6000 Cells 90nm (CMOS) Technology 1.2V 256-Pin FBGA
Manufacturer
LATTICE SEMICONDUCTOR
Datasheet
1.LFE2-12SE-6FN256C.pdf
(389 pages)
Specifications of LFE2-6E-5FN256C
Package
256FBGA
Family Name
LatticeECP2
Device Logic Units
6000
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
190
Ram Bits
56320
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Lattice Semiconductor
MLVDS
The LatticeECP2/M devices support the differential MLVDS standard. This standard is emulated using complemen-
tary LVCMOS outputs in conjunction with a parallel resistor across the driver outputs. The MLVDS input standard is
supported by the LVDS differential input buffer. The scheme shown in Figure 3-5 is one possible solution for
MLVDS standard implementation. Resistor values in Figure 3-5 are industry standard values for 1% resistors.
Figure 3-5. MLVDS (Multipoint Low Voltage Differential Signaling)
Table 3-6. MLVDS DC Conditions
For further information about LVPECL, RSDS, MLVDS, BLVDS and other differential interfaces please see the list
of additional technical information at the end of this data sheet.
16mA
16mA
V
Z
R
R
R
V
V
V
V
I
1. For input buffer, see LVDS table.
DC
Parameter
OUT
OH
OL
OD
CCIO
CM
S
TL
TR
OE
OE
2.5V
2.5V
2.5V
+
+
-
-
35ohms
35ohms
Output Driver Supply (+/-5%)
Driver Impedance
Driver Series Resistor (+/-1%)
Driver Parallel Resistor (+/-1%)
Receiver Termination (+/-1%)
Output High Voltage
Output Low Voltage
Output Differential Voltage
Output Common Mode Voltage
DC Output Current
R
R
S
R
S
TL
=
=
2.5V
50 to 70 ohms +/-1%
1
6
m
1
A
35ohms
OE
R
S
=
Description
Heavily loaded backplace, effective Zo~50 to 70 ohms differential
2.5V
1
6
m
A
35ohms
R
OE
S
=
3-16
2.5V
1
6
Zo=50
m
50 to 70 ohms +/-1%
10.00
35.00
50.00
50.00
21.74
35ohms
A
2.50
1.52
0.98
0.54
1.25
R
OE
S
=
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
2.5V
Typical
1
6
m
35ohms
A
R
Zo=70
S
OE
10.00
35.00
70.00
70.00
20.00
=
2.50
1.60
0.90
0.70
1.25
35ohms
R
R
TR
S
35ohms
R
=
S
=
Units
mA
V
V
V
V
V
2.5V
2.5V
OE
OE
+
-
16mA
16mA
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