LFE2-6E-7F256C Lattice, LFE2-6E-7F256C Datasheet - Page 58
LFE2-6E-7F256C
Manufacturer Part Number
LFE2-6E-7F256C
Description
FPGA - Field Programmable Gate Array 6K LUTs 190 I/O DSP 1.2V -7
Manufacturer
Lattice
Datasheet
1.LFE2-70E-7F900C.pdf
(104 pages)
Specifications of LFE2-6E-7F256C
Number Of I/os
190
Maximum Operating Frequency
420 MHz
Operating Supply Voltage
1.2 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
FPBGA-256
Minimum Operating Temperature
0 C
Factory Pack Quantity
450
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-6E-7F256C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
RSDS
The LatticeECP2 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 Standard)
Table 3-4. 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 (After R
Output Low Voltage (After R
Output Differential Voltage (After R
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
D
Zo = 100 ohm differential
= 121 ohms
(+/-1%)
3-11
Transmission line,
1
1
)
)
1
)
R
T
DC and Switching Characteristics
= 100 ohms
(+/-1%)
Typical
101.5
LatticeECP2 Family Data Sheet
2.50
1.35
1.15
0.20
1.25
3.66
294
121
100
20
Off-chip
Units
mA
Ω
Ω
Ω
Ω
V
V
V
Ω
V
V
On-chip
+
-
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