LFE2M50E-5F484C LATTICE SEMICONDUCTOR, LFE2M50E-5F484C Datasheet - Page 25
LFE2M50E-5F484C
Manufacturer Part Number
LFE2M50E-5F484C
Description
FPGA LatticeECP2M Family 48000 Cells 90nm (CMOS) Technology 1.2V 484-Pin FBGA
Manufacturer
LATTICE SEMICONDUCTOR
Datasheet
1.LFE2-12SE-6FN256C.pdf
(389 pages)
Specifications of LFE2M50E-5F484C
Package
484FBGA
Family Name
LatticeECP2M
Device Logic Units
48000
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
270
Ram Bits
4246528
In System Programmability
Yes
Available stocks
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Company:
Part Number:
LFE2M50E-5F484C
Manufacturer:
LATTICE
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Company:
Part Number:
LFE2M50E-5F484C
Manufacturer:
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Lattice Semiconductor
• MULT (Multiply)
• MAC (Multiply, Accumulate)
• MULTADDSUB (Multiply, Addition/Subtraction)
• MULTADDSUBSUM (Multiply, Addition/Subtraction, Accumulate)
The number of elements available on each block depends in the width selected from the three available options x9,
x18, and x36. A number of these elements are concatenated for highly parallel implementations of DSP functions.
Table 2-7 shows the capabilities of the block.
Table 2-7. Maximum Number of Elements in a Block
Some options are available in four elements. The input register in all the elements can be directly loaded or can be
loaded as a shift register from previous operand registers. By selecting “dynamic operation” the following opera-
tions are possible:
• In the ‘Signed/Unsigned’ options the operands can be switched between signed and unsigned on every cycle.
• In the ‘Add/Sub’ option the Accumulator can be switched between addition and subtraction on every cycle.
• The loading of operands can switch between parallel and serial operations.
MULT
MAC
MULTADDSUB
MULTADDSUBSUM
Width of Multiply
x9
8
2
4
2
2-22
x18
4
2
2
1
LatticeECP2/M Family Data Sheet
Architecture
x36
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—
—
1
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