LFXP20E-4F484C Lattice, LFXP20E-4F484C Datasheet - Page 368

• Manufacturer Part Number: LFXP20E-4F484C
• Description: IC FPGA 19.7KLUTS 340I/O 484-BGA
• Manufacturer: Lattice

Specifications of LFXP20E-4F484C

• Lead Free Status / Rohs Status: Contains lead / RoHS non-compliant

Lattice Semiconductor
Figure 18-5. Two PLL Clocking Scheme
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sysCLOCK
133MHz
CLKIN
CLKIN
pll1_nclk (133MHz)
FB
FB
DIV0
DIV0
DIV1
DIV1
N-stage TBUFs
HPPLL
PLL1
PPLL
PLL2
DIV2
DIV2
MCLK
DIV3
MCLK
DIV3
NCLK
NCLK
User interface
pll_mclk (133MHz)
pll_nclk (266MHz)
18-8
for the DDR SDRAM Controller IP Core
DDRCT_NP
IP Core
PIO
PIO
(133MHz)
ddr_clk_n
(133MHz)
ddr_clk
Board Timing Guidelines
DDR SDRAM
Memory