5AGXFB3H4F40C5N Datasheet, PDF (19/82 Pages) Altera Corporation – Arria V Device Handbook

Chapter 1: Overview for the Arria V Device Family
Variable-Precision DSP Block
1–13
Table 1–8 lists the accommodation of different configurations in a DSP block.
Table 1–8. Variable-Precision DSP Block Configurations for Arria V Devices
Multiplier Size (Bit)
DSP Block Resources
Expected Usage
Three 9 x 9
Two18 x 19
Two 18 x 19 with
accumulate
One 27 x 27
1 variable-precision DSP block
1 of variable-precision DSP block
1 variable-precision DSP block
1 variable-precision DSP block
Low precision fixed point for video applications
Medium precision fixed point in FIR filters
FIR filters
Single precision floating point
Table 1–9 lists the number of multipliers in Arria V devices.
Table 1–9. Number of Multipliers in Arria V Devices
Variants
Devices
Variable
Precision
DSP Blocks
Independent Input and Output
Multiplications Operator
9x9
18 x 19
27 x 27
Multipliers Multipliers Multipliers
Arria V GX
Arria V GT
Arria V SX
Arria V ST
5AGXA1
5AGXA3
5AGXA5
5AGXA7
5AGXB1
5AGXB3
5AGXB5
5AGXB7
5AGTD3
5AGTD7
5ASXB3
5ASXB5
5ASTD3
5ASTD5
240
396
600
800
920
1,045
1,092
1,139
1,045
1,139
809
1,068
809
1,068
720
1,188
1,800
2,400
2,760
3,135
3,276
3,417
3,135
3,417
2,427
3,204
2,427
3,204
480
792
1,200
1,600
1,840
2,090
2,184
2,278
2,090
2,278
1,618
2,136
1,618
2,136
240
396
600
800
920
1,045
1,092
1,139
1,045
1,139
809
1068
809
1068
18 x 19
Multiplier
Adder Mode
240
396
600
800
920
1,045
1,092
1,139
1,045
1,139
809
1,068
809
1,068
18 x 18
Multiplier
Adder
Summed
with 36-bit
Input
240
396
600
800
920
1,045
1,092
1,139
1,045
1,139
809
1,068
809
1,068
February 2012 Altera Corporation
Arria V Device Handbook
Volume 1: Device Overview and Datasheet