LFE2-6E-5F256I Lattice, LFE2-6E-5F256I Datasheet - Page 26
LFE2-6E-5F256I
Manufacturer Part Number
LFE2-6E-5F256I
Description
FPGA - Field Programmable Gate Array 6K LUTs 190 I/O DSP 1.2V -5 I
Manufacturer
Lattice
Datasheet
1.LFE2-70E-7F900C.pdf
(104 pages)
Specifications of LFE2-6E-5F256I
Number Of I/os
190
Maximum Operating Frequency
311 MHz
Operating Supply Voltage
1.2 V
Maximum Operating Temperature
+ 100 C
Mounting Style
SMD/SMT
Package / Case
FPBGA-256
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
450
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-6E-5F256I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
MULTADD sysDSP Element
In this case, the operands A0 and B0 are multiplied and the result is added/subtracted with the result of the multi-
plier operation of operands A1 and A2. The user can enable the input, output and pipeline registers. Figure 2-20
shows the MULTADD sysDSP element.
Figure 2-22. MULTADD
Multiplicand A0
Multiplicand A1
Multiplier B0
Multiplier B1
Signed
Addn
Shift Register B Out
Shift Register B In
n
n
Register B
Register B
Input Data
Input Data
n
n
n
n
n
Register
Register
Input
Input
m
m
Input Data
Register A
Input Data
Register A
m
Shift Register A Out
m
m
Shift Register A In
m
m
Register
Pipeline
Pipeline
Register
Pipe
Pipe
Reg
Reg
m
n
m
n
2-23
To Add/Sub
To Add/Sub
Multiplier
Multiplier
Register
Pipeline
Pipeline
Register
x
x
(default)
(default)
m+n
m+n
Add/Sub
LatticeECP2 Family Data Sheet
CLK (CLK0,CLK1,CLK2,CLK3)
CE (CE0,CE1,CE2,CE3)
RST(RST0,RST1,RST2,RST3)
(default)
m+n+1
(default)
m+n+1
Architecture
Output
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