What Does CLK Mean in TTL Logic?

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In summary, the conversation discusses the investigation of a TTL logic circuit, specifically the TI 74LS74. The person is seeking clarification on the meaning of CLK and its implication on pulse duration. The group explains that CLK stands for clock input and is used as a trigger pulse to transfer data in the D flip flop. Another person adds that CLK is a specific type of signal that oscillates between high and low states, used to trigger changes in digital circuits.
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riklund
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Hello!
I'm currently investigating a TTL logic circuit (TI 74LS74), and I'm stuck with a few shortifications. What does CLK stand for? It is represented in the logic diagram, and has implication on pulse duration. I have searched through a lot of litterature without finding any clue.

Thanks in advance for any help!
 
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  • #2
Clock input.

LS74 is a D flip flop with positive edge clock trigger. On every rising edge of the CLK input, what ever presented at the D input will be transferred to the Q output provide the signal at the D input satisfies the set up time and hold time requirements.
 
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Hi guys ! i want to add my opinion also on this topic that CLK means a clock signal. we can say it is a specific type of signal that oscillates between high and low states.it is utilized to provide the trigger pulse to digital circuits and we can also say it trigger pulse signal. trigger pulse is applied to digital circuits to change the particular state.
 

Related to What Does CLK Mean in TTL Logic?

1. What is TTL logic?

TTL stands for Transistor-Transistor Logic, a type of digital logic circuit used in electronics. It is commonly used in digital integrated circuits, microcontrollers, and other electronic devices.

2. What does CLK mean in TTL logic?

CLK is short for clock, and it refers to the signal that synchronizes the operation of the circuit. In TTL logic, the CLK signal is used to synchronize the input and output signals of the circuit.

3. How is CLK used in TTL logic?

In TTL logic, the CLK signal is used to synchronize the operation of the circuit by controlling the timing of the input and output signals. It is typically generated by an oscillator or timing circuit and is used to ensure that the circuit operates at a specific speed and timing.

4. What is the role of CLK in TTL logic?

The CLK signal is essential in TTL logic as it provides the timing and synchronization necessary for the circuit to function correctly. It ensures that the input and output signals are aligned and allows the circuit to process information accurately and efficiently.

5. Are there any variations of CLK in TTL logic?

Yes, there are several variations of CLK in TTL logic, including asynchronous and synchronous clock signals. Asynchronous clocks are not synchronized with the input and output signals, while synchronous clocks are synchronized with the input and output signals. Additionally, there are different types of clock signals, such as single-phase, two-phase, and four-phase clocks, which have different timing and synchronization characteristics.

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