EP2AGX45DF29I5 Altera, EP2AGX45DF29I5 Datasheet - Page 42
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EP2AGX45DF29I5
Manufacturer Part Number
EP2AGX45DF29I5
Description
IC ARRIA II GX FPGA 45K 780FBGA
Manufacturer
Altera
Series
Arria II GXr
Datasheets
1.EP2AGX45CU17C6N.pdf
(96 pages)
2.EP2AGX45CU17C6N.pdf
(14 pages)
3.EP2AGX45CU17C6N.pdf
(692 pages)
4.EP2AGX45CU17C6N.pdf
(10 pages)
5.EP2AGX45CU17C6N.pdf
(88 pages)
Specifications of EP2AGX45DF29I5
Number Of Logic Elements/cells
42959
Number Of Labs/clbs
1805
Total Ram Bits
3435
Number Of I /o
364
Voltage - Supply
0.87 V ~ 0.93 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Number Of Gates
-
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2–14
Arria II Device Handbook Volume 1: Device Interfaces and Integration
1
Shared Arithmetic Chain
The shared arithmetic chain available in enhanced arithmetic mode allows the ALM
to implement a 3-input add. This significantly reduces the resources necessary to
implement large adder trees or correlator functions.
The shared arithmetic chains can begin in either the first or sixth ALM in an LAB. The
Quartus II Compiler creates shared arithmetic chains longer than 20 ALMs (10 ALMs
in arithmetic or shared arithmetic mode) by linking LABs together automatically. To
enhance fitting, a long shared arithmetic chain runs vertically, allowing fast horizontal
connections to the TriMatrix memory and DSP blocks. A shared arithmetic chain can
continue as far as a full column.
Similar to the carry chains, the top and bottom half of shared arithmetic chains in
alternate LAB columns can be bypassed. This capability allows the shared arithmetic
chain to cascade through half of the ALMs in an LAB while leaving the other half
available for narrower fan-in functionality. Every other LAB column is top-half
bypassable, while the other LAB columns are bottom-half bypassable.
For more information on shared arithmetic chain interconnect, refer to
Interconnects” on page
2–17.
Chapter 2: Logic Array Blocks and Adaptive Logic Modules in Arria II Devices
December 2010 Altera Corporation
Adaptive Logic Modules
“ALM
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