74LS08 DATASHEET PDF

74LS08 DATASHEET PDF

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May 9, 2020

Note The ”Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaran- teed The device should not be operated at. µA. VCC = MAX, VIN = V. IIH. In ut HIGH Current. mA. VCC = MAX, VIN = V. IIL. Input LOW Current. – mA. VCC = MAX, VIN = V. IOS. 74LS08 IC is a member of 74XXYY IC series. There are four AND gates in the chip and each gate have two inputs, hence the name.

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Datasheets search archive of electronic components datasheets

When both buttons are not pressed. The circuit working can be explained in datasueet stages below: In this state the current flow through base of both transistors will be zero. With that the drop across resistor R1 will be zero. It is really popular and is available everywhere.

74LS08 Pinout, Configuration, Equivalents, Circuit & Datasheet

74ls008 four AND gates in the chip mentioned earlier are connected internally as shown in diagram below. The two inputs of AND gate are driven out from bases of the two transistors. TL — Programmable Reference Voltage. A few mentioned below.

Output of the AND gate is the voltage across resistor R1. For better understanding the internal working let us consider the simplified internal circuit of AND gate as shown below. Should Buyer purchase or use SCILLC products for any such datashet or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or 74lw08 of the part.

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74LS08 datasheet

At this time the total VCC appears across resistor R1. When both buttons are pressed. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products datxsheet any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.

Not more than one output should be shorted at a time, nor for more than 1 second. There are four AND gates in the chip, we can use one or all gates simultaneously.

When any one of the buttons is pressed. These two inputs are connected to buttons to change the logic of inputs.

After verifying the three states, you can tell that we have satisfied the above truth table. The description for each pin is given below. Both transistors will be ON and voltage across both of them will be zero.

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74LS08 datasheet

The chip provides TTL outputs which are needed in some systems. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. The chip is used in systems where high speed AND operation is needed.

Because of this the chip can be used for datadheet speed AND operations. The chip is available in different packages and is chosen depending on requirement.

In the circuit two transistors are connected in series to form a AND gate. This LED is connected to detect the state of output.

For realizing the above truth table let us take a simple AND gate application circuit as shown below.

Submitted by admin on 6 April Because total VCC appears across transistors the drop across resistor R1 will be zero. The chip is basically used where AND logic operation is needed.

Because output is nothing but voltage across resistor R1 it will be LOW.