HDL


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HDL

(biochemistry)

HDL

HDL

(Hardware Description Language) A language used to describe the functions of an electronic circuit for documentation, simulation or logic synthesis (or all three). Although many proprietary HDLs have been developed, Verilog and VHDL are the major standards. The first book to provide side-by-side examples of subsets of both languages that could be simulated and synthesized was "HDL Chip Design" by Douglas J. Smith, published by Doone Publications, ISBN 0-9651934-3-8. See Verilog and VHDL.


HDL Languages
VHDL and Verilog are the most popular HDLs. These examples show a circuit described in RTL in both languages and the resulting schematic of the gate level netlist created after synthesis (below). (Language and schematic examples from "HDL Chip Design" courtesy of Douglas J. Smith.)








References in periodicals archive ?
Then friends started asking bout your LDL, you HDL, your total-cholesterol-to-HDL ratio, and your triglycerides.
A: Your total cholesterol divided by your HDL should be under 4.
The subject had two copies of a SCARB1 mutation called P376L, which the team showed caused a breakdown in HDL receptor function.
To quantify HDL by IMA, solvated lipoproteins are introduced into the gas phase by electrospray ionization (ESI).
Seeking ways to trim this residual risk, researchers have studied niacin and other drugs that raise HDL levels.
There may be ways of changing HDL that may be protective that we don't know about yet," suggests Frank Sacks, professor of cardiovascular disease prevention at Harvard Medical School.
The researchers, led by Sacks and Majken Jensen, research associate in the Department of Nutrition at HSPH, examined whether the existence or absence of apoC-III on HDL cholesterol affected the "good" cholesterol's heart-protective qualities, and whether its existence could differentiate HDL cholesterol into two subclasses-those which protect against the risk of future heart disease and those which do not.
HDL Verifier now supports FPGA hardware-in-the-loop verification for Altera and Xilinx FPGA boards.
The next step would be a controlled trial to see whether medications that raise HDL levels also reduce cancer incidence.
Your body makes HDL to remove excessive cholesterol from your blood and tissues, a process known as "reverse cholesterol transport.
Recent studies suggest that HDL cholesterol quantity alone may not determine risk of coronary heart disease.
HDL is considered good cholesterol by experts, as high levels of it appear to protect against heart disease.