LFE2M50E-6FN484C LATTICE SEMICONDUCTOR, LFE2M50E-6FN484C Datasheet - Page 65
LFE2M50E-6FN484C
Manufacturer Part Number
LFE2M50E-6FN484C
Description
IC, LATTICEECP2M FPGA, 420MHZ, FPBGA-484
Manufacturer
LATTICE SEMICONDUCTOR
Series
LatticeECP2Mr
Datasheet
1.LFE2-12E-5FN256C.pdf
(385 pages)
Specifications of LFE2M50E-6FN484C
No. Of Logic Blocks
48000
No. Of Macrocells
24000
No. Of Speed Grades
6
No. Of I/o's
270
Clock Management
DLL, PLL
I/o Supply Voltage
3.465V
Total Ram Bits
4147Kbit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Lattice Semiconductor
LVPECL
The LatticeECP2/M devices support the differential LVPECL standard. This standard is emulated using comple-
mentary LVCMOS outputs in conjunction with a parallel resistor across the driver outputs. The LVPECL input stan-
dard is supported by the LVDS differential input buffer. The scheme shown in Figure 3-3 is one possible solution for
point-to-point signals.
Figure 3-3. Differential LVPECL
Table 3-4. LVPECL DC Conditions
16mA
16mA
V
V
V
Z
R
R
R
V
V
V
V
Z
I
1. For input buffer, see LVDS table.
DC
CCIO
CCIO
OUT
BACK
CCIO
T
OH
OL
OD
CM
S
P
Parameter
(+/-5%)
(+/-5%)
On-chip
= 3.3V
= 3.3V
R
R
Over Recommended Operating Conditions
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
S
S
1
Off-chip
= 93.1 ohms
= 93.1 ohms
(+/-1%)
(+/-1%)
Description
Zo = 100 ohm differential
R
P
Transmission line,
= 196 ohms
(+/-1%)
3-14
R
T
= 100 ohms
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
(+/-1%)
Typical
100.5
12.11
3.30
2.05
1.25
0.80
1.65
196
100
10
93
Off-chip
Units
mA
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
On-chip
+
-
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