LFEC3E-3QN208I Lattice, LFEC3E-3QN208I Datasheet - Page 285

• Manufacturer Part Number: LFEC3E-3QN208I
• Description: IC FPGA 3KLUTS 208PQFP
• Manufacturer: Lattice
• Series: EC3r

Specifications of LFEC3E-3QN208I

• Number Of Logic Elements/cells: 3100
• Number Of Labs/clbs: -
• Total Ram Bits: 56320
• Number Of I /o: 145
• Number Of Gates: -
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 208-BFQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q6377645

LatticeECP/EC and LatticeXP
Lattice Semiconductor
DDR Usage Guide
end
endmodule
Preference File
In order to run the above DDR PFU Implementation at 300MHZ, the following preferences were added to the soft-
ware preference file.
COMMERCIAL;
FREQUENCY NET "ddrclk90" 300.000000 MHz ;
INPUT_SETUP PORT "ddrdata_0" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_1" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_2" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_3" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_4" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_5" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_6" 0.800000 ns CLKNET "ddrclk90" ;
INPUT_SETUP PORT "ddrdata_7" 0.800000 ns CLKNET "ddrclk90" ;
BLOCK ASYNCPATHS ;
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