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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For more information about the OR gate in general, see this module. Views Read Edit View history. As per the truth table shown above, when either one or both the input of the Gate is high the output will be high. The input for the gate is controlled by using a switch connected to pin A datashet B of the Gate.

The arrangement of the CMOS components is shown below:. To visualize the output we have connected a LED to the output pin Q.

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. 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.


CD4071 PDF Datasheet浏览和下载

OR gates with more inputs can be made up from the or dattasheet of the above ICs by cascading them together. This page was last edited on 16 Decemberat TL — Programmable Reference Voltage. By using this site, you agree to the Terms of Use and Privacy Policy.

The truth table for one of the four gates is shown to the right. Datsaheet truth table for the OR gate is shown below. Meaning it has four OR gate IC inside it, each of which can be utilized independently.

CD OR Gate IC Pinout, Features, Equivalent & Datasheet

The first method will require two ICs to implement, but a total of four gates can be made. Retrieved from ” https: These are available from manufacturers. The second will require only one IC, but only two gates can be made. In other languages Add links. Complete Technical Details can be found at the CD datasheet provided below this article.


Practical Electronics/IC/4071

Submitted by admin on 2 July If a is not available, there are several ways to achieve an OR gate. Datsheet chip is different in pinout to the TTL datasheet, but 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. A selection of different manufacturers’ datasheets is given below:.

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

The resistor R is used to limit the current through the LED. Logic level gates like CD and flip-flops play a vital role in digital electronics.

The first is to use a NOR gate and invert the output. In other projects Wikimedia Commons. This is discussed on this page.

From Wikibooks, open books for an open world. A pull down resistor of k is used to hold the logic to low logic 0 when the switch is left floating.