LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 32
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LFE2-20E-5FN256I
Manufacturer Part Number
LFE2-20E-5FN256I
Description
IC FPGA 21KLUTS 193I/O 256FPBGA
Manufacturer
Lattice
Series
ECP2r
Datasheets
1.LFE2-12SE-6FN256C.pdf
(389 pages)
2.LFE3-35EA-8FN672I.pdf
(21 pages)
3.LFE2-20E-5FN256I.pdf
(4 pages)
4.LFE2-20E-5FN256I.pdf
(769 pages)
Specifications of LFE2-20E-5FN256I
Number Of Logic Elements/cells
21000
Number Of Labs/clbs
2625
Total Ram Bits
282624
Number Of I /o
193
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
256-BGA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
220-1170
LFE2-20E-5FN256I
Q6411457
LFE2-20E-5FN256I
Q6411457
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-20E-5FN256I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
- LFE2-12SE-6FN256C PDF datasheet
- LFE3-35EA-8FN672I PDF datasheet #2
- LFE2-20E-5FN256I PDF datasheet #3
- LFE2-20E-5FN256I PDF datasheet #4
- Current page: 32 of 769
- Download datasheet (18Mb)
Lattice Semiconductor
Figure 2-16. Secondary Clock Selection
Slice Clock Selection
Figure 2-17 shows the clock selections and Figure 2-18 shows the control selections for Slice0 through Slice2. All
the primary clocks and the four secondary clocks are routed to this clock selection mux. Other signals can be used
as a clock input to the slices via routing. Slice controls are generated from the secondary clocks or other signals
connected via routing.
If none of the signals are selected for both clock and control then the default value of the mux output is 1. Slice 3
does not have any registers; therefore it does not have the clock or control muxes.
Figure 2-17. Slice0 through Slice2 Clock Selection
4 Secondary Clocks/CE/LSR (SC0 to SC3) per Region
SC0
24:1
Secondary Clock
Primary Clock
SC1
24:1
Clock/Control
Routing
Secondary Clock Feedlines: 8 PIOs + 16 Routing
SC2
Vcc
24:1
SC3
12
24:1
8
4
1
4 High Fan-out Data Signals (SC4 to SC7) per Region
2-17
SC4
24:1
25:1
SC5
High Fan-out Data
24:1
LatticeECP2/M Family Data Sheet
Clock to Slice
SC6
24:1
SC7
24:1
Architecture
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