LFE2M20E-6FN256C Lattice, LFE2M20E-6FN256C Datasheet - Page 67
LFE2M20E-6FN256C
Manufacturer Part Number
LFE2M20E-6FN256C
Description
FPGA - Field Programmable Gate Array 19K LUTs 140 I/O SERDES DSP -6
Manufacturer
Lattice
Datasheet
1.LFE2-12SE-6FN256C.pdf
(389 pages)
Specifications of LFE2M20E-6FN256C
Number Of Macrocells
19000
Maximum Operating Frequency
357 MHz
Number Of Programmable I/os
140
Data Ram Size
1246208
Supply Voltage (max)
1.26 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Supply Voltage (min)
1.14 V
Package / Case
FPBGA-256
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2M20E-6FN256C
Manufacturer:
Lattice
Quantity:
710
Company:
Part Number:
LFE2M20E-6FN256C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
Company:
Part Number:
LFE2M20E-6FN256C-5I
Manufacturer:
NATIONAL
Quantity:
633
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Lattice Semiconductor
RSDS
The LatticeECP2/M devices support differential RSDS standard. This standard is emulated using complementary
LVCMOS outputs in conjunction with a parallel resistor across the driver outputs. The RSDS input standard is sup-
ported by the LVDS differential input buffer. The scheme shown in Figure 3-4 is one possible solution for RSDS
standard implementation. Resistor values in Figure 3-4 are industry standard values for 1% resistors.
Figure 3-4. RSDS (Reduced Swing Differential Signaling)
Table 3-5. RSDS DC Conditions
8mA
8mA
V CCIO = 2.5V
V CCIO = 2.5V
V
Z
R
R
R
V
V
V
V
Z
I
1. For input buffer, see LVDS table.
Parameter
DC
OUT
BACK
CCIO
OH
OL
OD
CM
S
P
T
On-chip
(+/-5%)
(+/-5%)
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
Back Impedance
DC Output Current
1
Over Recommended Operating Conditions
R
R
S
S
Off-chip
= 294 ohms
= 294 ohms
(+/-1%)
(+/-1%)
Description
R
P
Zo = 100 ohm differential
= 121 ohms
(+/-1%)
3-15
Transmission line,
R
T
DC and Switching Characteristics
= 100 ohms
LatticeECP2/M Family Data Sheet
(+/-1%)
Typical
101.5
2.50
1.35
1.15
0.20
1.25
3.66
294
121
100
20
Off-chip
Units
mA
V
V
V
V
V
On-chip
+
-
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