EP2AGX45DF29I5 Altera, EP2AGX45DF29I5 Datasheet - Page 89
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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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Chapter 4: DSP Blocks in Arria II Devices
Arria II Operational Mode Descriptions
Figure 4–10. 36-Bit Independent Multiplier Mode Shown for Half-DSP Block
December 2010 Altera Corporation
dataa_0[35..18]
datab_0[35..18]
datab_0[35..18]
dataa_0[35..18]
dataa_0[17..0]
datab_0[17..0]
dataa_0[17..0]
datab_0[17..0]
clock[3..0]
ena[3..0]
aclr[3..0]
36-Bit Multiplier
You can construct a 36 × 36 multiplier with four 18 × 18 multipliers. This
simplification fits into one half-DSP block and is implemented in the DSP block
automatically by selecting 36 × 36 mode. Arria II devices can have up to two 36-bit
multipliers per DSP block (one 36-bit multiplier per half DSP block). The 36-bit
multiplier is also under the independent multiplier mode but uses the entire half-DSP
block, including the dedicated hardware logic after the pipeline registers to
implement the 36 × 36-bit multiplication operation, as shown in
The 36-bit multiplier is useful for applications requiring more than 18-bit precision;
for example, for the mantissa multiplication portion of single precision and extended
single precision floating-point arithmetic applications.
Half-DSP Block
signa
signb
+
+
Arria II Device Handbook Volume 1: Device Interfaces and Integration
+
72
Figure
result[ ]
4–10.
4–17
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