Arria® V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683213
Date 10/18/2023
Document Table of Contents

3.5.4. Multipliers

A single variable precision DSP block can perform many multiplications in parallel, depending on the data width of the multiplier.

There are two multipliers per variable precision DSP block. You can configure these two multipliers in several operational modes .

For Arria® V GX, GT, SX, and ST devices:

  • One 27 x 27 multiplier
  • Two 18 (signed)/(unsigned) x 19 (signed) multipliers
  • Three 9 x 9 multipliers

For Arria® V GZ devices:

  • One 27 x 27 multiplier
  • Two individual 16 x 16 multipliers
  • Two individual 18 x 18 partial multipliers, with only 32-bit LSB multiplication result for each multiplication
  • One individual 18 x 18 multiplier, with full 36-bit multiplication result
  • One individual 27 x 27 multiplier
  • One individual 36 x 18 multiplier
  • There individual 9 x 9 multipliers

For Arria® V GZ devices, you can use two adjacent DSP blocks to construct an individual 36-bit multiplier.