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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As per the truth table shown above, when either one or both the input of the Gate is high the output will be high. Retrieved from ” https: A pull down resistor of k is used to hold the logic to low logic 0 when the switch is left floating.

Policies and guidelines Contact us. This page was last edited on 16 Decemberat Logic level gates like CD and flip-flops play a vital role in digital electronics. If a is not available, there are several ways to achieve an OR gate. Complete Technical Details can be found at the CD datasheet provided below this article. Submitted by admin on 2 July These datsheet available from manufacturers.


CD Datasheet(PDF) – TI store

The second will require only one IC, but only two gates can be made. The first is to use a NOR gate and invert the output. The truth table for the OR gate is shown below. For more information about the OR gate in general, see this module. OR gates with more inputs can be made up from the or any of the above ICs by cascading them together.

A selection of different manufacturers’ datasheets is given below:. From Wikibooks, open books for an open world. To visualize the output we have connected a LED to the output pin Q.

In other projects Wikimedia Commons. Meaning it has four OR gate IC inside it, each of which can be utilized independently.

By using datzsheet site, you agree to the Terms of Use and Privacy Policy. 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. Views Read Edit View history. The resistor R is used to limit the current through the LED. 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.


Practical Electronics/IC/4071

The arrangement of the CMOS components is shown below:. TL — Programmable Reference Voltage. In other languages Add links. This chip is different in pinout to the TTLbut can fulfill the function of its counterpart if the wiring is modified.

CD4071 PDF Datasheet浏览和下载

The first method will require datqsheet ICs to implement, but a total of four gates can be made. If you have more than two inputs for your OR gate then you should look into three input and four input OR gates. This is discussed on this page. 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. The truth table for one of the four gates is shown to the right.