74LVT74DB - Brand New NXP Semiconductors Flip Flops
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Description
The 74LVT74DB is a dual positive edge-triggered D-type flip-flop used in electronic circuits. It features individual data, clock, set, and reset inputs, as well as true and complementary outputs. The set (SD) and reset (RD) inputs are asynchronous active low, meaning they operate independently of the clock input.
When the set and reset inputs are inactive (high), the data at the D input is transferred to the Q and Q outputs on the low-to-high transition of the clock. To ensure predictable operation, the data must be stable just one setup time prior to the low-to-high transition of the clock. It's important to note that the clock triggering occurs at a voltage level and is not directly related to the transition time of the positive-going pulse.
After the hold time interval, the data at the D input can be changed without affecting the levels of the output.
Specifications and Features
- Flip flop model: 74LVT74DB
- Flip flop type: D-type flip flop
- Trigger type: Positive edge-triggered
- Number of flip flops: Dual
- Inputs: Individual data, clock, set, and reset inputs
- Outputs: True and complementary outputs
- Set input: Asynchronous active low
- Reset input: Asynchronous active low
- Data stability requirement: One setup time prior to low-to-high transition of the clock
- Hold time interval: Data can be changed without affecting output levels
Application Scenarios
The 74LVT74DB can be used in various electronic circuits where a dual positive edge-triggered D-type flip-flop is required. It can be utilized in applications such as registers, counters, and memory units.
Comparison
Advantages- Individual data, clock, set, and reset inputs for flexibility
- True and complementary outputs for versatile circuit configurations
- Asynchronous active low set and reset inputs for independent operation
- Data stability requirement for predictable operation
- Hold time interval for easy data change without affecting output levels
Disadvantages- Not suitable for applications that require different trigger types
- May require additional logic gates or circuitry for specific applications
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Similar parts: 3713 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download 74LVT74DB
- Chipdatas Part: CD94-74LVT74DB
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
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- Last Updated: 2024/06/03 11:08 +0800
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