LFE3-150EA-8FN672I Lattice, LFE3-150EA-8FN672I Datasheet - Page 27

• Manufacturer Part Number: LFE3-150EA-8FN672I
• Description: IC FPGA 149KLUTS 672FPBGA
• Manufacturer: Lattice

Specifications of LFE3-150EA-8FN672I

• Number Of Logic Elements/cells: *
• Number Of Labs/clbs: *
• Total Ram Bits: *
• Number Of I /o: *
• Number Of Gates: *
• Voltage - Supply: *
• Mounting Type: *
• Operating Temperature: *
• Package / Case: *
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Lattice Semiconductor
For further information, please refer to TN1182,
MULT DSP Element
This multiplier element implements a multiply with no addition or accumulator nodes. The two operands, AA and
AB, are multiplied and the result is available at the output. The user can enable the input/output and pipeline regis-
ters. Figure 2-26 shows the MULT sysDSP element.
Figure 2-26. MULT sysDSP Element
DSP Slice
Previous
IR = Input Register
PR = Pipeline Register
OR = Output Register
FR = Flag Register
Rounding
SRIB
SRIA
C_ALU
A_ALU
CIN
0
IR
C
IR
AA
MULTA
PR
OR
AMUX
A_ALU
IR
From FPGA Core
LatticeECP3 sysDSP Usage
AB
To FPGA Core
0
R = Logic (B, C)
R= A ± B ± C
2-24
OR
PR
IR
OPCODE
FR
0
=
=
B_ALU
BMUX
IR
ALU
BA
MULTB
LatticeECP3 Family Data Sheet
OR
PR
Guide.
IR
BB
IR
COUT
SROB
SROA
DSP Slice
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Architecture