LFE2-20E-5F256C LATTICE SEMICONDUCTOR, LFE2-20E-5F256C Datasheet - Page 70
LFE2-20E-5F256C
Manufacturer Part Number
LFE2-20E-5F256C
Description
FPGA LatticeECP2 Family 21000 Cells 90nm (CMOS) Technology 1.2V 256-Pin FBGA
Manufacturer
LATTICE SEMICONDUCTOR
Datasheet
1.LFE2-12SE-6FN256C.pdf
(389 pages)
Specifications of LFE2-20E-5F256C
Package
256FBGA
Family Name
LatticeECP2
Device Logic Units
21000
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
193
Ram Bits
282624
In System Programmability
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-20E-5F256C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
Register-to-Register Performance (Continued)
Derating Timing Tables
Logic timing provided in the following sections of this data sheet and the Diamond/ispLEVER design tools are worst
case numbers in the operating range. Actual delays at nominal temperature and voltage for best case process, can
be much better than the values given in the tables. The Diamond or ispLEVER design tools can provide logic timing
numbers at a particular temperature and voltage.
36x36 Multiplier
(All Registers)
18x18 Multiplier/Accumulate (Input and
Output Registers)
18x18 Multiplier-Add/Sub-Sum (All Reg-
isters)
DSP IP Functions
16-Tap Fully-Parallel FIR Filter
1024-pt, Radix 4, Decimation in
Frequency FFT
8x8 Matrix Multiplier
Function
-7 Timing
3-18
372
295
420
304
227
223
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
Units
MHz
MHz
MHz
MHz
MHz
MHz
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