IC CYCLONE FPGA 2910 LE 100-TQFP

 

EP1C3T100I7N

Manufacturer Part NumberEP1C3T100I7N
DescriptionIC CYCLONE FPGA 2910 LE 100-TQFP
ManufacturerAltera
SeriesCyclone®
EP1C3T100I7N datasheets

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Specifications of EP1C3T100I7N

Number Of Logic Elements/cells2910Number Of Labs/clbs291
Total Ram Bits59904Number Of I /o65
Voltage - Supply1.425 V ~ 1.575 VMounting TypeSurface Mount
Operating Temperature-40°C ~ 100°CPackage / Case100-TQFP, 100-VQFP
Family NameCyclone®Number Of Logic Blocks/elements2910
# I/os (max)65Frequency (max)320.1MHz
Process Technology0.13um (CMOS)Operating Supply Voltage (typ)1.5V
Logic Cells2910Ram Bits59904
Operating Supply Voltage (min)1.425VOperating Supply Voltage (max)1.575V
Operating Temp Range-40C to 100COperating Temperature ClassificationIndustrial
MountingSurface MountPin Count100
Package TypeTQFPLead Free Status / RoHS StatusLead free / RoHS Compliant
Number Of Gates-Other names544-1663
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functions. Another special packing mode allows the register output to
feed back into the LUT of the same LE so that the register is packed with
its own fan-out LUT. This provides another mechanism for improved
fitting. The LE can also drive out registered and unregistered versions of
the LUT output.
LUT Chain and Register Chain
In addition to the three general routing outputs, the LEs within a LAB
have LUT chain and register chain outputs. LUT chain connections allow
LUTs within the same LAB to cascade together for wide input functions.
Register chain outputs allow registers within the same LAB to cascade
together. The register chain output allows a LAB to use LUTs for a single
combinatorial function and the registers to be used for an unrelated shift
register implementation. These resources speed up connections between
LABs while saving local interconnect resources.
Interconnect” on page 2–12
register chain connections.
addnsub Signal
The LE's dynamic adder/subtractor feature saves logic resources by
using one set of LEs to implement both an adder and a subtractor. This
feature is controlled by the LAB-wide control signal addnsub. The
addnsub signal sets the LAB to perform either A + B or A − B. The LUT
computes addition; subtraction is computed by adding the two's
complement of the intended subtractor. The LAB-wide signal converts to
two's complement by inverting the B bits within the LAB and setting
carry-in = 1 to add one to the least significant bit (LSB). The LSB of an
adder/subtractor must be placed in the first LE of the LAB, where the
LAB-wide addnsub signal automatically sets the carry-in to 1. The
Quartus II Compiler automatically places and uses the adder/subtractor
feature when using adder/subtractor parameterized functions.
LE Operating Modes
The Cyclone LE can operate in one of the following modes:
Each mode uses LE resources differently. In each mode, eight available
inputs to the LE⎯ the four data inputs from the LAB local interconnect,
carry-in0 and carry-in1 from the previous LE, the LAB carry-in
from the previous carry-chain LAB, and the register chain connection⎯ are
directed to different destinations to implement the desired logic function.
LAB-wide signals provide clock, asynchronous clear, asynchronous
Altera Corporation
May 2008
for more information on LUT chain and
Normal mode
Dynamic arithmetic mode
Logic Elements
“MultiTrack
2–7
Preliminary