LFXP6C-4QN208I Lattice, LFXP6C-4QN208I Datasheet - Page 251

• Manufacturer Part Number: LFXP6C-4QN208I
• Description: FPGA LatticeXP Family 6000 Cells 360MHz 130nm (CMOS) Technology 1.8V/2.5V/3.3V 208-Pin PQFP Tray
• Manufacturer: Lattice

Specifications of LFXP6C-4QN208I

• Package: 208PQFP
• Family Name: LatticeXP
• Device Logic Units: 6000
• Maximum Internal Frequency: 360 MHz
• Typical Operating Supply Voltage: 1.8|2.5|3.3 V
• Maximum Number Of User I/os: 142
• Ram Bits: 73728
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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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