74HCT574D

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74HCT574D

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  • 製造商Nexperia

  • 製造商部分 #74HCT574D

  • 有存貨6780

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規格

屬性 價值
Brand Nexperia
Product Type Flip Flops
Subcategory Logic ICs
Shipping Restrictions Mouser does not presently sell this product in your region.
Operating Supply Voltage 5 V
Mounting Type SMD/SMT
Package / Case SOT-163
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Number of Channels 8 Channel
Factory Pack Quantity 38
Supply Voltage - Max 5.5 V
Supply Voltage - Min 4.5 V
Unit Weight 0.044798 oz
Height 2.45 mm
Length 13 mm
Width 7.6 mm
Logic Type D-Type Edge Triggered Flip-Flop
Logic Family HCT
Number of Circuits 1 Circuit
Output Type Single-Ended
Input Type Single-Ended
Polarity Non-Inverting
Propagation Delay Time 15 ns
High Level Output Current - 6 mA
Low Level Output Current 6 mA
Function D-Type Bus Interface
Number of Input Lines 8
Number of Output Lines 8 Line
Current - Quiescent (Iq) 8 uA
Part # Aliases 74HCT574D,652

概述

Description

The 74HCT574D is a dual-edge-triggered D-type flip-flop designed for use in digital circuits, particularly for data storage and transfer applications. It features eight flip-flops, each capable of storing one bit of data. The device operates in the high-speed HCT (High-speed CMOS TTL-compatible) logic family, ensuring compatibility with TTL levels while offering lower power consumption.
Key features include dual clock inputs that allow data to be captured on both the rising and falling edges of the clock signal, reducing timing issues in synchronous systems. The 74HCT574D also has a clear function, enabling resetting of the stored data to a known state. It comes in a 20-pin package and supports a wide voltage range, making it suitable for various applications, including memory storage, counters, and shift registers.
This flip-flop is commonly used in applications requiring reliable data handling and synchronization in complex digital circuits.

Equivalent

The 74HCT574D is a high-speed CMOS D-type flip-flop with a 3-state output. Equivalent products include the 74HC574, 74LS574, and 74F574. These chips may vary in power consumption, speed, and logic levels, but they serve similar functions. Always check specific datasheets for detailed specifications and compatibility.

Features

The 74HCT574D is a high-speed CMOS octal D flip-flop with 3-state outputs. Key features include:
1. Data Storage: It can store 8 bits of data, with 8 individual D inputs and corresponding Q outputs.
2. Edge Triggered: It captures the input data on the rising edge of the clock signal.
3. Asynchronous Set/Reset: Includes active-high set (SD) and reset (RD) inputs that allow for asynchronous operation.
4. 3-State Outputs: Outputs can be placed in a high-impedance state, enabling bus-oriented applications.
5. Wide Voltage Range: Compatible with a power supply range of 2V to 6V, making it suitable for various digital systems.
6. High-Speed Operation: Typical propagation delay is around 8 ns at 5V, allowing for fast data processing.
7. Low Power Consumption: Consumes less power compared to traditional TTL counterparts, making it efficient for battery-operated devices.
This device is ideal for applications in data storage, shift registers, and digital signal processing.

Pinout

The 74HCT574D is an 8-bit D-type flip-flop with a dual clock input and an output enable feature. It has a total of 20 pins. The pin functions are as follows:
1. Pins 1-8 (Q0-Q7): These are the parallel output pins for the stored data.
2. Pin 9 (GND): Ground connection.
3. Pin 10 (D0-D7): These are the parallel data input pins for each flip-flop.
4. Pin 11 (OE): Output Enable pin; when low, the outputs are enabled.
5. Pin 12 (CLK): Clock input; triggers the data transfer on the rising edge.
6. Pin 13 (CLR): Asynchronous clear input; when low, it resets all outputs to low.
7. Pin 14 (VCC): Power supply pin.
8. Pins 15-20 (Q0-Q7 bar): These are the inverted outputs for each flip-flop (not always present depending on the specific package).
This IC is used in digital circuits for data storage, synchronization, and processing tasks.

Manufacturer

The manufacturer of the 74HCT574D is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. Founded in 1930, TI is known for its wide range of electronic components, including analog and digital signal processing products, microcontrollers, and embedded processors. The company serves various industries, such as automotive, industrial, consumer electronics, and communications, and is a key player in the development of innovative technologies that support diverse applications. The 74HCT574D, specifically, is a dual D-type flip-flop with a 3-state output, used in digital circuits for data storage and transfer. TI is recognized for its commitment to quality and innovation in the semiconductor industry.

Application

The 74HCT574D is a quad D-type flip-flop used in various digital applications. Its key application areas include data storage, shift registers, and data transfer in synchronous circuits. It is commonly utilized in microprocessor-based systems for temporary data holding, as well as in state machines and control logic for sequencing tasks. Additionally, it can be employed in clocked storage systems, such as registers in digital signal processors (DSPs) and FPGA designs. The device's ability to handle high-speed operations while interfacing with TTL-compatible logic makes it suitable for both consumer electronics and industrial automation applications.

Package

The 74HCT574D is typically packaged in a DIP (Dual In-line Package) format. It features a 20-pin configuration, allowing for easy integration into circuit boards. Other package options may include SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package) depending on the manufacturer.

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