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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Practical Electronics/IC/4071

TL — Programmable Reference Voltage. In other languages Add links. By using this site, you agree to the Terms of Use and Privacy Policy. Views Read Edit View history. 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.

CD Datasheet(PDF) – Fairchild Semiconductor

OR gates with more inputs can be made up from the dataseet any of the above ICs by datasjeet them together. The second will require only one IC, but only two gates can be made. This page was last edited on 16 Decemberat The truth table for one of the four gates is shown to the right. The first method will require two ICs to implement, but a total of four gates can be made.


The input for the gate is controlled by using a switch connected to pin A and B of the Gate.

The output of the OR gate is called as Q. Policies and guidelines Contact us.

CD Datasheet(PDF) – National Semiconductor (TI)

Cd407 a is not available, there are several ways to achieve an OR gate. The first is to use a NOR gate and invert the output. A pull down resistor of k is used to hold the logic to low logic 0 when the switch is left floating. From Wikibooks, open books for an open world. Logic level gates like CD and flip-flops play a vital role in digital electronics. Meaning it has four OR gate IC inside it, each of which can be utilized independently.

Retrieved from ” https: A selection of different manufacturers’ datasheets is given below:. The arrangement of the CMOS components is shown below:. The resistor R is used to limit the current through the LED.

As per the truth table shown above, when either cd40771 or both the input of the Gate is high the output will be high. 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 projects Wikimedia Commons.


CD4071 PDF Datasheet浏览和下载

This chip is different in pinout to the TTLbut can fulfill the function of its counterpart if the wiring is modified.

If you have more than two inputs for your OR gate then you should look into three input and four input OR gates.

These are available from manufacturers. Submitted datashheet admin on 2 July For more information about the OR gate in general, see this module.

The truth table for the OR gate is shown below. This is discussed on this page.

To visualize the output we have connected a LED to the output pin Q. Complete Technical Details can be found at the CD datasheet provided below this article.