This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: c A.H.Dixon Laboratory Exercise 4 1 DESIGNING PACKAGES In this Lab you will learn how to use DesignWorks (LogicWorks) to take a structural description and create an entity definition ( called a package) that can then be placed in the parts library. It then can be used as a component in the construction of other circuits. A 2x4 decoder with complement outputs is provided in the DesignWorks (LogicWorks) library Simulation Logic.clf. However a 2x4 decoder with normal outputs is not found in the libraries provided. In the following steps, you will construct a 2x4 decoder with enable from AND gates with complement inputs, name the component DEC-4, and store it in a library for your own personal packages called mylibrary.clf. 1. If you have not already done so, launch DesignWorks (LogicWorks) and select Generic Simlation. 2. Create a new library called mylibrary.clf in the Parts Palette as follows: (a) Place the mouse cursor in the Parts Palette and click the right mouse button. (b) Select New Lib from the pulldown menu. (c) Type the library name to be used (mylibrary.clf) in the File Name area of the Save Library As window, and click on Save. (d) Check in the list of libraries at the top of the Parts Palette to confirm that your library is listed (probably at the bottom) among the libraries available. 3. Create a device symbol (entity definition) for a 2x4 decoder with enable as follows: (a) From the File pulldown menue, click on New and select Device Symbol; then click OK. (b) The new window that is displayed with a faint grid is the device editor window....
View Full Document
- Spring '08