LFE2M20E-6FN256I LATTICE SEMICONDUCTOR, LFE2M20E-6FN256I Datasheet - Page 16

• Manufacturer Part Number: LFE2M20E-6FN256I
• Description: FPGA LatticeECP2M Family 19000 Cells 90nm (CMOS) Technology 1.2V 256-Pin FBGA
• Manufacturer: LATTICE SEMICONDUCTOR

Specifications of LFE2M20E-6FN256I

• Package: 256FBGA
• Family Name: LatticeECP2M
• Device Logic Units: 19000
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 140
• Ram Bits: 1246208
• In System Programmability: Yes

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