Data sheet acquired from Harris Semiconductor. SCHSD – Revised August CDB. Quad 2-Input OR Gate. CDB. This datasheet has been downloaded from: This file is the datasheet for the following electronic components: CD – ?. CD is a Dual Input OR Gate with Quad package, i.e. it has four OR gate IC inside it, each of which can be utilized independently.

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A pull down resistor of k is used to hold the logic to low logic 0 when the switch is left floating.

CD4071 PDF Datasheet浏览和下载

In other projects Wikimedia Commons. The first method will require two ICs to implement, but a total of four gates can be made. This is discussed on this page.

If you are looking for an IC to perform logic level OR operation with two inputs, then this IC might be the right choice for you. This chip is different in pinout to the TTLbut can fulfill the function of its counterpart if the wiring is modified.


CD Datasheet(PDF) – Fairchild Semiconductor

The input for the gate is controlled by using a switch connected to pin A and B of the Datashheet. The truth table for one of the four gates is shown to the right. The second will require only one IC, but only two gates can be made.

For more information about the OR gate in general, see this module. Submitted by admin on 2 July As per the truth table shown above, when either datsheet or both the input of the Gate is high the output will be high. Meaning it has four OR gate IC inside it, each of which can be utilized independently. The arrangement of the CMOS components is shown below:.

The output of the OR gate is called as Q. If you have more than two inputs for your OR gate then you should look into three input and four input OR gates.

If a is not available, there are several ways to achieve an OR gate. Views Read Edit View history. Policies and guidelines Contact us. By using this site, you agree to the Terms of Use and Privacy Policy. The resistor R is used to limit the current through the LED.


Practical Electronics/IC/4071

These are available from manufacturers. This page was last edited on 16 Decemberat The truth table for the OR gate is shown below.

The first is to use a NOR gate and invert the output. TL — Programmable Reference Voltage.

From Wikibooks, open books for an open world. To visualize the output we have connected a LED to the output pin Q.

OR gates with more inputs can be made up from the or any of the above ICs cd4701 cascading them together. Retrieved from ” https: A selection of different manufacturers’ datasheets is given below:.

Practical Electronics/IC/ – Wikibooks, open books for an open world

Logic level gates like CD and flip-flops play a vital role datasheeet digital electronics. The logic OR operation is very simple, since this is a two input OR gate we will have only two inputs which is A and B respectively. In other languages Add links. Complete Technical Details can be found at the CD datasheet provided below this article.