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Name: 74HC574D,653
Brand: Nexperia USA Inc.
SKU: 74HC574D,653
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Nexperia USA Inc. 74HC574D,653

Part No.:: 74HC574D,653

Manufacturer:: Nexperia USA Inc.

Package:: 20-SO

Datasheet:: 74HC574D,653.pdf

Description:: IC FF D-TYPE SNGL 8BIT 20SO

In Stock:: 2569

Quantity:: Add To Cart

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74HC574D,653 Typical application Circuitry

74HC574D,653

The 74HC574D,653 is a high-speed CMOS octal D-type flip-flop with 3-state outputs, belonging to the 74HC family. This device captures the values on the data inputs (D0 to D7) on the rising edge of the clock input (CP) and holds this information.

Application Scenarios

The 74HC574D,653 is commonly used in data storage, signal buffering, and bus interfacing applications. Its ability to act as a temporary storage device or buffer makes it ideal for systems that require data synchronization or interfacing with buses in digital computing, communication systems, and peripheral interfacing.

Data Buffering in Digital Communication System

Designing a data buffering circuit for a digital communication system using the 74HC574D,653 involves a detailed understanding of its pinout and functionalities. Here's a detailed approach:

Data Input Configuration

Connecting Data Inputs: Pins D0 to D7 (Pins 2, 5, 6, 9, 12, 15, 16, 19 of the 74HC574D,653) must be connected to the data source, such as output ports of a microprocessor or digital sensor outputs. This setup facilitates the ingress of data into the flip-flop.

Clock Signal Management

Applying the Clock Signal: Pin 11 (CP) is the clock input and is essential for data latching. It must be connected to a synchronous clock source that aligns with the data transmission timing, ensuring data is captured precisely at the desired moments.

Output Handling

3-State Outputs Control: The outputs Q0 to Q7 (Pins 18, 13, 14, 11, 8, 7, 4, 1 of the 74HC574D,653) should be connected to the next stage of the digital communication system, such as a data bus or processing unit. The output enable (OE) pin, Pin 9, controls the output states, enabling the device to drive the bus or isolate itself by switching to a high-impedance state.

Power Supply and Grounding

Ensuring Stable Power Supply: The Vcc and GND pins (Pin 20 for Vcc and Pin 10 for GND) should be securely connected to a stable power source, typically +5V, and ground, respectively, to ensure optimal operation of the 74HC574D,653.

Circuit Design Considerations

Incorporating the 74HC574D,653 into a digital communication system as a data buffer requires attention to several design aspects:

- Timing Accuracy: The alignment of the clock signal with data inputs is crucial for accurate data capturing. The system must ensure data stability before the clock's rising edge.

- Power Integrity: A stable power supply is critical for reliable operation. Fluctuations in power can affect the performance and reliability of the 74HC574D,653.

- Bus Management: When interfacing with a bus, the design must prevent bus contention by correctly managing the OE pin to ensure that only one device drives the bus at any given time.

- Signal Integrity: Maintaining signal integrity requires careful layout planning, especially in high-speed applications. Measures such as using short traces and implementing proper decoupling can mitigate signal degradation.

Utilizing the 74HC574D,653 for data buffering in a digital communication system demonstrates just one of its many potential applications. Its capability to securely store and transfer data, coupled with the flexibility offered by its 3-state outputs, highlights its value in sophisticated digital systems. A thorough understanding of the 74HC574D,653's operational characteristics and careful circuit design are essential for deploying effective and efficient digital solutions.

74HC574D,653 information

74HC574D,653 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HC
ProductStatus:
Active
Function:
Standard
Type:
D-Type
OutputType:
Tri-State, Non-Inverted
NumberofElements:
1
NumberofBitsperElement:
8
ClockFrequency:
133 MHz
MaxPropagationDelay@VMaxCL:
26ns @ 6V, 50pF
TriggerType:
Positive Edge
Current-OutputHighLow:
7.8mA, 7.8mA
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Iq):
8 µA
InputCapacitance:
3.5 pF
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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