74HCT574PW

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74HCT574PW

Flip Flops OCTAL D-TYPE POS EDGE 3-S

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  • Mfr. Parte #74HCT574PW
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Especificaciones

Standard Pack Qty 75

Descripción general

Description

The 74HCT574PW is an octal (8-bit) D-type flip-flop with a tri-state output, commonly used in digital circuits for data storage and transfer. It belongs to the 74HCT family, which is a high-speed CMOS logic family compatible with TTL levels. The device features eight individual flip-flops that capture input data on the rising edge of a clock signal and can be enabled or disabled via the Output Enable (OE) pin.
The 74HCT574PW is typically used in applications requiring data buffering, synchronization, and temporary storage. It operates with a supply voltage range of 4.5V to 5.5V and can drive loads directly due to its high output current capability. The flip-flops are organized in a 20-pin dual in-line package (DIP), making it suitable for both prototyping and production environments. Overall, the 74HCT574PW is an essential component in many digital systems, including microcontrollers, memory devices, and data processing applications.

Features

The 74HCT574PW is an octal D-type flip-flop with a 3-state output, designed for use in digital circuits. Key features include:
1. Data Storage: It stores 8 bits of data with D-type flip-flops, allowing parallel data input.
2. Positive Edge Triggering: Data is captured on the rising edge of the clock signal.
3. Asynchronous Reset: It includes an active-low reset for immediate setting of the output to a known state.
4. 3-State Outputs: Outputs can be enabled or disabled, allowing for bus-oriented configurations.
5. Wide Supply Voltage Range: Compatible with a supply voltage range of 2V to 6V, making it suitable for various applications.
6. Low Power Consumption: Designed for low power usage while maintaining high-speed performance.
7. TTL Compatibility: HCT logic family ensures compatibility with TTL output levels, making it useful in mixed logic environments.
These features make the 74HCT574PW suitable for applications in memory storage, data buffering, and synchronization tasks in digital systems.

Package

The 74HCT574PW is packaged in a TSSOP (Thin Shrink Small-Outline Package) with 20 pins. This compact package is suitable for surface-mount technology, providing a space-efficient solution for electronic circuit designs.

Pinout

The 74HCT574PW is an octal D-type flip-flop with a pin count of 20. It features eight D-type flip-flops that store data on the rising edge of a clock signal.
Pin Functions:
1. 1-8 (D0-D7): Data inputs for the flip-flops.
2. 9 (GND): Ground connection.
3. 10 (Q0-Q7): Output from the flip-flops.
4. 11 (Q0'-Q7'): Inverted outputs from the flip-flops.
5. 12 (CLK): Clock input that triggers data capture.
6. 13 (CLR): Asynchronous clear input that resets the outputs to low.
7. 14 (PRE): Asynchronous preset input that sets the outputs high.
8. 15 (VCC): Power supply connection.
This device is commonly used for data storage, shifting, and state retention in digital circuits.

Manufacturer

The 74HCT574PW is manufactured by Nexperia, a company that specializes in semiconductor components. Nexperia focuses on producing discrete, logic, and MOSFET devices, providing high-quality, reliable solutions for a wide range of applications in electronics. The company emerged as a spin-off from NXP Semiconductors and has established itself as a key player in the semiconductor industry, emphasizing efficiency and performance in its product offerings.

Application

The 74HCT574PW is a hex D-type flip-flop used in various digital applications including data storage, temporary data holding, and synchronization in clocked systems. It's commonly employed in circuits for shift registers, data buffers, and frequency dividers. Its ability to latch data on the clock edge makes it suitable for state machines, digital signal processing, and control systems in consumer electronics, industrial automation, and communication devices.

Equivalent

The 74HCT574PW is an octal D-type flip-flop with a tri-state output. Equivalent products include 74HC574, 74LS574, and other variants like 74VHC574, depending on specific voltage and speed requirements. Always check the datasheets for pin compatibility and electrical characteristics before substituting.

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