74HC574PW

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74HC574PW

Flip Flops OCTAL D-TYPE POS EDGE 3-S

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Standard Pack Qty 75

Übersicht

Description

The 74HC574PW is an octal D-type flip-flop with a transparent latch and is part of the 74HC (High-Speed CMOS) family. It features eight D-type flip-flops that can store one bit of data each, controlled by a common clock (CLK) input. When the clock is high, data present at the D inputs is transferred to the Q outputs; when the clock goes low, the outputs retain their values until the next clock cycle.
The device has asynchronous set (SET) and reset (RST) inputs, allowing individual flip-flops to be set or reset regardless of the clock signal. The 74HC574PW is designed for low-power and high-speed applications, making it suitable for digital design in computers, communication devices, and embedded systems. It comes in a 20-pin package and operates across a supply voltage range of 2V to 6V. Its features include increased noise immunity and improved speed compared to conventional TTL devices.

Features

The 74HC574PW is an octal D-type flip-flop with an active low enable (G) input, part of the 74HC (High-speed CMOS) logic family. Key features include:
1. Storage Elements: Eight D-type flip-flops that store binary data.
2. Parallel Loading: The flip-flops can be loaded in parallel through the input pins (D0-D7) when the enable (G) signal is active.
3. Clock Control: Data is transferred to the outputs (Q0-Q7) on the rising edge of the clock (CP) when the enable is active.
4. High-Speed Operation: Capable of operating at a maximum frequency of up to 100 MHz, depending on the supply voltage and load conditions.
5. Low Power Consumption: Designed for low power usage with CMOS technology.
6. Wide Voltage Range: Operates over a supply voltage range of 2V to 6V.
7. Temperature Range: Suitable for industrial applications with a temperature range of -40°C to 125°C.
These features make the 74HC574PW ideal for applications in data storage, buffering, and digital signal processing.

Package

The 74HC574PW is packaged in a TSSOP (Thin Shrink Small Outline Package) type, specifically with 20 pins. This type of package is known for its compact size and is suitable for surface mount technology (SMT) applications.

Pinout

The 74HC574PW is an octal D-type flip-flop with a common clock and an active low enable. It has a total of 20 pins.
Pin Count and Functions:
1. 1-8 (Q0 - Q7): Outputs of the flip-flops.
2. 9 (GND): Ground.
3. 10 (D0): Data input for flip-flop 0.
4. 11 (D1): Data input for flip-flop 1.
5. 12 (D2): Data input for flip-flop 2.
6. 13 (D3): Data input for flip-flop 3.
7. 14 (D4): Data input for flip-flop 4.
8. 15 (D5): Data input for flip-flop 5.
9. 16 (D6): Data input for flip-flop 6.
10. 17 (D7): Data input for flip-flop 7.
11. 18 (CLK): Clock input.
12. 19 (EN): Enable input (active low).
13. 20 (VCC): Power supply.
The device is commonly used for data storage and transfer applications in digital circuits.

Manufacturer

The 74HC574PW is manufactured by Texas Instruments, a prominent semiconductor company. Texas Instruments (TI) specializes in designing and producing a wide range of analog and digital semiconductor products. Established in 1930, TI is known for its innovation in technologies such as microcontrollers, processors, and integrated circuits, serving various sectors including automotive, industrial, communications, and consumer electronics. The company is recognized for its commitment to research and development, producing reliable and high-performance electronic components that are integral to modern electronic systems. TI operates globally, providing solutions that enhance the functionality and efficiency of electronic devices.

Application

The 74HC574PW is a hex D-type flip-flop with output enable. It is commonly used in digital circuits for data storage, shift registers, and timing applications. Its application areas include memory devices, data buffering, state machines, and synchronous systems, as well as in microcontroller interfacing for temporary data holding and control signal management.

Equivalent

The 74HC574PW is an octal D-type flip-flop with a tri-state output. Equivalent products include:
1. 74HCT574
2. 74LS574
3. 74F574
4. 74AHC574
5. 74AHCT574
These variants may differ in speed, power consumption, and logic level compatibility (TTL or CMOS). Always check the specific datasheets for exact specifications.

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