74HC573PW

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74HC573PW

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  • Herstellerteil #74HC573PW

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Description

The 74HC573PW is a high-speed CMOS device from the 74HC/HCT logic family, designed for use as an octal D-type transparent latch with 3-state outputs. This device is often utilized in digital circuits where temporary data storage and buffering are needed. Key features include an 8-bit latch capability, where data at the input pins is output when the latch enable (LE) input is high. When LE is low, the data at the input is latched, meaning changes at the input are not reflected at the output.
Furthermore, the 74HC573PW includes an output enable (OE) pin that controls whether the outputs are in a high-impedance state, allowing for bus interfacing. It operates over a wide voltage range (2V to 6V) and is known for its low power consumption and high noise immunity, making it suitable for a variety of applications in digital systems. The device is packaged in a TSSOP (Thin Shrink Small Outline Package) for space-efficient designs.

Equivalent

Equivalent products for the 74HC573PW, a high-speed CMOS octal D-type transparent latch, include the CD74HC573, SN74HC573N, and NXP's own 74HCT573. These chips have similar functions and pin configurations but may vary in package type, voltage range, and manufacturer. Always check the datasheet for pin compatibility and electrical characteristics before substituting to ensure they meet your specific requirements.

Features

The 74HC573PW is a high-speed CMOS device that features an octal D-type transparent latch. Key characteristics include:
1. Functionality: It serves as an octal latch with separate D-type inputs and 3-state outputs, providing transparent data flow when the latch enable (LE) is high.
2. Package: It comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, making it suitable for compact circuit designs.
3. Operating Voltage: Typically operates within a voltage range of 2V to 6V, which supports flexibility in power supply design.
4. Speed: Exhibits high-speed operation, thanks to its CMOS technology, suitable for general-purpose digital applications.
5. Low Power Consumption: Offers low power dissipation, making it energy-efficient in battery-powered devices.
6. Output Capability: The 3-state outputs allow multiplexed bus operation, which is ideal for interfacing with bus systems.
7. Temperature Range: It operates effectively over an extended temperature range, making it reliable in various environmental conditions.
8. Applications: Commonly used in microcontroller interfacing, memory addressing, and other digital logic applications.
These features make the 74HC573PW a versatile component in digital electronics.

Pinout

The 74HC573PW is a high-speed CMOS device featuring an octal D-type transparent latch with 3-state outputs. It typically comes in a 20-pin package. The primary function of the 74HC573 is to store and latch data from the inputs (D0 to D7) when the latch enable pin (LE) is high. The data is then available on the outputs (Q0 to Q7) as long as the output enable pin (OE) is low. When the OE pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.
The pin configuration is as follows:
1. Q0
2. Q1
3. Q2
4. Q3
5. Q4
6. Q5
7. Q6
8. Q7
9. GND
10. LE
11. D7
12. D6
13. D5
14. D4
15. D3
16. D2
17. D1
18. D0
19. OE
20. VCC
The device is often used in applications where temporary data storage and isolation are needed, such as buffering or signal inversion in digital systems.

Manufacturer

The 74HC573PW is manufactured by Nexperia. Nexperia is a semiconductor company that was spun off from NXP Semiconductors in 2017. It specializes in the production of discrete and power semiconductor devices, including diodes, transistors, and logic ICs like the 74HC573PW. The company is known for its focus on efficiency and innovation in creating high-volume essential semiconductors that are used widely across various electronics applications.

Application

The 74HC573PW is an octal D-type transparent latch used in various applications. It is commonly employed in digital data storage for temporary data holding, acting as a buffer or latch in microcontrollers and microprocessors. The device is suitable for use in memory address latching, data acquisition systems, and peripheral interfacing. It can also be utilized in demultiplexing analog signals in digital circuits, as well as in control logic circuits where temporary data sampling or delay is required. Additionally, the 74HC573PW is used in communication equipment, industrial automation, and consumer electronics due to its fast switching and low power consumption.

Package

The 74HC573PW is a high-speed CMOS octal D-type transparent latch with 3-state outputs, packaged in a TSSOP (Thin Shrink Small Outline Package), typically with 20 pins. This package type is designed for surface mounting, offering a compact solution for space-constrained applications.

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