LFE2M20E-6FN256C LATTICE SEMICONDUCTOR, LFE2M20E-6FN256C Datasheet - Page 16

• Manufacturer Part Number: LFE2M20E-6FN256C
• Description: IC, LATTICEECP2M FPGA, 420MHZ, FPBGA-256
• Manufacturer: LATTICE SEMICONDUCTOR
• Series: LatticeECP2Mr

Specifications of LFE2M20E-6FN256C

• No. Of Logic Blocks: 19000
• No. Of Macrocells: 10500
• No. Of Speed Grades: 6
• No. Of I/o's: 140
• Clock Management: DLL, PLL
• I/o Supply Voltage: 3.465V
• Total Ram Bits: 1217Kbit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Lattice Semiconductor
Secondary Clock/Control Sources
LatticeECP2/M devices derive secondary clocks (SC0 through SC7) from eight dedicated clock input pads and the
rest from routing. Figure 2-11 shows the secondary clock sources.
Figure 2-11. Secondary Clock Sources
Clock Input
Clock Input
From Routing
From Routing
From Routing
From Routing
Routing
Routing
From
From
Routing
Routing
From
From
Secondary Clock Sources
Clock
Clock
Input
Input
2-13
Clock
Clock
Input
Input
Routing
Routing
From
From
LatticeECP2/M Family Data Sheet
Routing
Routing
From
From
From Routing
From Routing
From Routing
From Routing
Clock Input
Clock Input
Architecture