Transistor Transistor Logic (TTL): TTL NAND Gate Circuit and Working

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Transistor Transistor Logic (TTL) is covered by the following Timestamps:

0:00 - Digital Electronics Lecture Series.
0:20 - Transistor Transistor Logic TTL Classifications
1:02 - Transistor Transistor Logic TTL Basics
2:25 - TTL NAND Gate Circuit
5:37 - TTL NAND Gate Working
9:39 - TTL Components Details

Following points are covered in this video:
1. Transistor Transistor Logic TTL
2. Transistor Transistor Logic TTL Classifications
3. Transistor Transistor Logic TTL Basics
4. TTL NAND Gate Circuit
5. TTL NAND Gate Working
6. TTL Components Details

Chapter-wise detailed Syllabus of the Digital Electronics Course is as follows:

Binary, hex, octal, decimal, BCD, integer, and floating-point- numbers, code conversion etc.

Laws of Boolean Algebra, SOP, POS, Dual and Self Dual of Boolean equation, Minterms, Maxterms, Quine McCluskey Technique, etc.

AND, OR, NOT, XOR, XNOR, NAND, NOR Gates and Circuit implementation using universal gates.

Minimization of functions using Boolean identities and many other circuits like Multiplexer, Demultiplexer, Adder, Subtractor, Decoder, Encoder, Carry look ahead adder, Even Parity Generator and Odd Parity Generator, Priority Encoder, etc.

IK-map basics, Implicants, Prime Implicants and Essential Prime, 3,4,5 and 6 variable K Map, Quine McCluskey Minimization Technique

DTL, RTL, TTL, CMOS, Boolean Function Implementations, Stick Diagram of Boolean Function, CMOS Transmission Gate, etc.

Clock and Triggering by clock in Sequential circuit, Latch, Flip Flops, Master Slave Flip Flop, Counters, Shift Registers, State Machines, Mealy State Machine and Moore State Machine

ROM, RAM, PLA, PAL, Digital to Analog Converter and Analog to Digital Converter

Practical's on Logic gates, Adder, Code conversion, Comparator, Flip flop, Counter, Register, etc.

Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Digital Electronics and Logic Families.

#DigitalElectronics #DigitalLogicDesign #TransistorTransistorLogic @EngineeringFunda
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EngineeringFunda
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Sir, It is amazing that you have put in so much effort in teaching as well as editing to enhance understanding of students. Salute to your sir.
Education System in India need for more teachers like you, to level up teaching sector.

sooryanshsingh
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I watched a few videos of this circuit and could not grasp the concept. So I clicked on a video whose thumbnail had the face of a very serious man who looked like he knew what he was talking about and it was only after the video was over and I thought "Damn that was a really good video and I understood what it was he was teaching" that I realised "Oh it's Engineering Funda. I'm Subscribed to his channel" lol. Thank you Engineering Funda for another great video.

hoofheartedicemelted
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00:02 Transistor Transistor Logic (TTL) is explained in this video.
01:26 Transistor Transistor Logic (TTL) is an upgraded version of logic family with improved fan out and margin, but lower speed.
02:51 The video discusses the three sections of Transistor Transistor Logic (TTL) and its functioning.
04:19 TTL NAND Circuit Working
06:17 TTL NAND Gate Working
07:52 TTL NAND Circuit and Components Details
09:27 Understanding TTL logic and NAND gate working
11:01 TTL NAND Circuit has higher power dissipation compared to other circuits

snjy
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EngineeringFunda
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Thank you sir for always giving so much consideration and importance to our comments and making this video

parthasarathy
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For input 0, first stage transistor should be in saturation region. But due lesser potential at collector (0.2 v), next stage transistor will be off.

PrashantKumar-xvfz
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at 6:16 how can base collector be reverse biased if base is at higher potential

SaurabhKumar-gcko
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Best channel ever . Sir u never disappoint me with ur videos ❤️❤️. Ur the best .

yashchavan
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Sir, I had 1 doubt. When all inputs are high, you said it is forward biased, but so what is the standard value for VCB that you have considered?

KirthnaSurag
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Nand gate circuit may be connected to further logic gates so there will be load capacitance

manav
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Thank u so much sir 🙏 u have explained very well 👍

geethanaveena
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Charging time constant will determine the functioning of the circuit

manav
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Thank u so much sir!! ❤ love from pune ❤

CRIMINALGAMING-dcgy
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sir will I get full mark for question that ask me to draw and explain ttl circuit with this? Is there anywhere I can have a written lecture of this.

raptorhacker
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If R3 is lower than higher value of base current requires for T3? ? Basically, for input =1, T3 will be in saturation region and in saturation region, if R3 is lower dn high current will flow through transistor means high charge and it will add delay at a time of state change of output.

PrashantKumar-xvfz
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From where you buy these pens ?they are pretty good

pranayushir
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Appreciating your efforts.Presentation is really good.

nandurisowmya
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Wonderful efforts and explanation sir thanks a lot 👍👍

nandulamanikyagowtham
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sir why we connected Rc3 with the emitter terminal of transistor

madiitrvel