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

ID 683665
Date 10/18/2023
Public
Document Table of Contents

3.6.2.2. 18 x 25 Complex Multiplier

Stratix® V devices support an individual 18 x 25 complex multiplication mode.

A 27 x 27 multiplier allows you to implement an individual 18 x 25 complex multiplication mode with three variable precision DSP blocks only. The pre-adder feature is automatically enabled for you to implement an individual 18 x 25 complex multiplication mode efficiently.

You can implement an 18 x 25 complex multiplication with three variable precision DSP blocks, as shown in Figure 37

Figure 37. 18 x 25 Complex Multiplication Equation


Figure 38.  18 x 25 Complex Multiplier with Three Variable Precision DSP Blocks for Stratix® V Devices