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. Input HIGH Current. mA. VCC = MAX, VIN = V. IIL. Input LOW Current. – mA. VCC = MAX, VIN = V. IOS. Part Number: 74LS00, Maunfacturer: National Semiconductor, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor.

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When you want logic inverter.

It also analyzes transistor’s characteristics such as voltage and gain. With these three cases we have realized the truth table for chip NAND gate. Submitted by admin on 3 April Each gate can be used separately. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.

Now let us consider a simple application circuit of the chip NAND gate.

So we can make 74ls00 a four NOT gate chip if necessary. In case one of buttons is closed. We can use all four gates this way tosatisfy our needs. Use flip-flops to build a divider.

74LS00 Datasheet PDF

This chip has less transition times which are needed for high speed applications. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. So the total supply voltage appears across the transistors Q1 and Q2.


Headphone amplifier is small enough to fit in Altoids tin box, and thanks to low power consumption may be supplied from a single 9V battery. Even at this case output will be HIGH according to the truth table.

Here are a few examples where it is used. When both inputs are HIGH: The chip is available in different packages and is chosen depending on requirement. The 74xxyy ICs are logic gates of digital electronics.

Where high speed NAND operation is necessary. Under normal circumstances both buttons are not pressed and are open. In the datasheey when 774ls00 one input is HIGH: It’s small, power efficient, yet customizable 74ps00 onboard 2 x 7 perfboard that can be used for connecting various sensors and connectors. It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.

With that the entire supply voltage appears across the transistor which is in OFF state. With that both inputs of the gate will be LOW.

Here we have connected two inputs to two buttons and output is connected to a LED.


Use dividers to build a counter. After verifying the cases, you datashete tell that we have satisfied the above truth table. The description for each pin is given below. TL — Programmable Reference Voltage.

74LS00 Datasheet(PDF) – List of Unclassifed Manufacturers

The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. Both transistors will be ON and voltage across both of them will be zero. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. There are many reasons of using 74LS00 in electronic circuits. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.

74LS00 Pinout, Configuration, Equivalent, Circuit & Datasheet

Arduino Prototype uses all standard through-hole components for easy construction, two of which are hidden underneath IC socket. It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors. The output waveforms can be both amplitude and frequency modulated. So 74LS00 can be used in high frequency systems.

Also each gate has two inputs.

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