Functional Requirements Templates (SDLC)

Use this Functional Requirement template to define a function of a software system and how the system must behave when presented with specific inputs or conditions. These may include calculations, data manipulation and processing and other specific functionality.

Functional Requirements Template: Purpose

Use this Functional Requirements template to:

• Specify particular behaviors of a system.
• Help the reader understand why a requirement is needed.
• Track requirements through the development of the system.

This Functional Requirements template includes a 27 page template in MS Word™ format, which can be easily modified for your next project.

 

Table of Contents

1 Introduction
1.1 Purpose of this document
1.2 Scope
1.3 Organization Profile
1.4 Assumptions
1.5 Constraints
1.6 Dependencies

2 Overall Description
2.1 Product Perspective
2.2 Product Functions
2.3 Operating Environment
2.4 User Characteristics

3 Functional Requirements
3.1 Functional Requirement n
3.2 Functional Requirement n
3.3 Functional Requirement n

4 System Requirements
4.1 Software Requirements
4.1.1 Software Functionality
4.1.2 Software Characteristics
4.2 Hardware Requirements
4.2.1 Hardware Functionality
4.2.2 Hardware Characteristics
4.3 User Requirements
4.4 Input and Output Requirements
4.5 Communications Requirements
4.5.1 Communications Hardware
4.5.2 Communications Software
4.6 Usability Requirements

5 Non-Functional Requirements
5.1.1 Accuracy
5.2 Audit Trail
5.3 Availability
5.4 Capacity Limits
5.5 Data Retention
5.6 Operational Requirements
5.7 Performance
5.8 Recoverability
5.9 Reliability
5.10 Security Requirements
5.11 Timing

6 Data Requirements
6.1 Data Structures and Relationships
6.2 Data Framework and Relationships
6.3 Data Inputs
6.4 Data Outputs
6.5 Inter-functional Data Definitions
6.6 Component Cross Reference

7 External Interface Requirements
7.1 Software Interfaces
7.2 Hardware Interfaces
7.3 Communications Interfaces
7.4 User Interfaces

8 Design Constraints
8.1 Software Design Constraints
8.1.1 Software Interfaces
8.1.2 Software Packages
8.1.3 Database
8.1.4 Operating System
8.1.5 Tolerance, Margins and Contingency
8.2 Hardware Design Constraints
8.2.1 Hardware Requirements and Environment
8.2.2 Hardware Standards
8.2.3 Hardware Interfaces
8.3 User Interface Constraints
8.3.1 User Characteristics
8.3.2 Environment/Operational Constraints
8.4 Memory Constraints

9 Improvements and Impacts
9.1 Improvements to Existing Capabilities
9.1.1 Upgrades and Enhancements to Existing Capabilities
9.2 Impacts
9.2.1 User Impacts
9.2.2 Operational Impacts

10 Requirements Traceability Matrix

Product Details

The template pack includes the following documents:

• Functional Requirements Template 27 pages
• Requirements Traceability Matrix 6 pages
• Data Dictionary Template 8 pages
• Functional Requirements spreadsheet 2 worksheets
• Reporting Requirements spreadsheet 1 worksheet
• Evaluation Form 1 worksheet