Sage-Tips

What is meant by logic synthesis?

Logic synthesis is the process of automatic production of logic components, in particular digital circuits. Given a digital design at the register-transfer level, logic synthesis transforms it into a gate-level or transistor-level implementation.

What is the difference between logic synthesis and physical synthesis?

The logical synthesis optimizes the logic, timing and functionality implementation using minimum gates and DRV. The target of physical synthesis is to achieve the minimum area usage at the required speed for a design. And for logical synthesis is timing with no functionality differences.

What is meant by high level synthesis?

High level synthesis (HLS) [1], also known as behavioral synthesis and algorithmic synthesis, is a design process in which a high level, functional description of a design is automatically compiled into a RTL implementation that meets certain user specified design constraints.

What is logic synthesis in VHDL?

VHDL. 1. In electronics, logic synthesis is the process by which an abstract form of desired circuit behaviour, typically at RTL level, is turned into a design implementation in terms of logic gates, typically by a computer program called a synthesis tool.

What are various synthesis levels?

The commonly used levels of abstraction are gate level, register-transfer level (RTL), and algorithmic level. The (RTL) implementations are then used directly in a conventional logic synthesis flow to create a gate-level implementation.

What is mean by synthesis in VLSI?

Synthesis is the process of transforming your HDL design into a gate-level netlist, given all the specified constraints and optimization settings. Logic synthesis is the process of translating and mapping RTL code written in HDL (such as Verilog or VHDL ) into technology specific gate level representation.

What is SDC in VLSI?

SDC is a short form of “Synopsys Design Constraint”. SDC is a common format for constraining the design which is supported by almost all Synthesis, PnR and other tools. Generally, timing, power and area constraints of design are provided through the SDC file and this file has extension .

What is logic synthesis and what are the main goal of logic synthesis?

Logic synthesis is the process of converting a high-level description of design into an optimized gate-level representation. Logic synthesis uses a standard cell library which have simple cells, such as basic logic gates like and, or, and nor, or macro cells, such as adder, muxes, memory, and flip-flops.

What is high-level synthesis in FPGA?

The Intel® HLS Compiler is a high-level synthesis (HLS) tool that takes in untimed C++ as input and generates production-quality register transfer level (RTL) code that is optimized for Intel® FPGAs. This tool accelerates verification time over RTL by raising the abstraction level for FPGA hardware design.

What is the difference between RTL logic synthesis and high-level synthesis?

Using high-level synthesis, also known as ESL synthesis, the allocation of work to clock cycles and across structural components, such as floating-point ALUs, is done by the compiler using an optimisation procedure, whereas with RTL logic synthesis (even from behavioural Verilog or VHDL,…

What is the difference between LogLogic synthesis and physical synthesis?

Logic synthesis creates a netlist of gates from RTL verilog. It also includes other steps such as technology mapping where the gates are selected from a set of libraries provided and timing/area/power optimization. Physical synthesis transforms the gate level netlist to a layout that can be realized (etched) on silicon.

What is logic synthesis in electronics?

In electronics, logic synthesis is a process by which an abstract specification of desired circuit behavior, typically at register transfer level (RTL), is turned into a design implementation in terms of logic gates, typically by a computer program called a synthesis tool.

What is high level synthesis design methodology?

High-level synthesis design methodology. High level synthesis (HLS) [1], also known as behavioral synthesis and algorithmic synthesis, is a design process in which a high level, functional description of a design is automatically compiled into a RTL implementation that meets certain user specified design constraints.