SN74HCT573NSR

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SN74HCT573NSR

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IC D-TYPE TRANSP 8:8 20-SO

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Attribut Wert
Series 74HCT
Part Status Active
Base Product Number 74HCT573
Logic Type D-Type Transparent Latch
Circuit 8:8
Output Type Tri-State
Voltage - Supply 4.5V ~ 5.5V
Independent Circuits 1
Delay Time - Propagation 25ns
Current - Output High, Low 6mA, 6mA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 20-SOIC (0.209", 5.30mm Width)
Supplier Device Package 20-SO
Packaging Cut Tape (CT), Tape & Reel (TR)

Übersicht

Description

The SN74HCT573NSR is an octal transparent latch featuring 3-state outputs, designed for high-speed digital applications. It is part of Texas Instruments' HCT (High-speed CMOS TTL-compatible) family, making it compatible with TTL logic levels while providing lower power consumption. This device has eight data inputs, eight outputs, and a common output enable control. When the latch enable (LE) input is active, the data on the inputs is continuously transferred to the outputs. When LE is inactive, the last input data is held at the outputs.
The SN74HCT573NSR operates over a wide voltage range (2V to 5.5V) and is suitable for use in various applications including data buffering, signal processing, and temporary data storage. Its 3-state outputs help in bus-oriented applications, allowing multiple devices to share a common data line. The package type, NSR, indicates it comes in a small footprint SOIC (Small Outline Integrated Circuit) form, making it suitable for compact designs.

Equivalent

The SN74HCT573NSR is an octal D-type latch with active-low enable and tri-state outputs. Equivalent products include:
1. MC74HCT573A (ON Semiconductor)
2. 74HCT573 (NXP Semiconductors)
3. 74HCT573D (Texas Instruments)
These options are generally compatible in function and pin configuration, but always verify specific datasheets for exact parameters and characteristics.

Features

The SN74HCT573NSR is an octal transparent latch with 3-state outputs, designed for use in digital applications. Key features include:
1. Octal Configuration: Contains eight latches, allowing parallel data storage.
2. Transparent Operation: Data is passed through to the outputs when the latch enable (LE) is active.
3. 3-State Outputs: Outputs can be placed in a high-impedance state, facilitating bus-oriented designs.
4. TTL Compatibility: HCT series provides compatibility with TTL logic levels, making it suitable for mixed signal environments.
5. Wide Supply Voltage Range: Operates from 4.5V to 5.5V, accommodating various power supply configurations.
6. Low Power Consumption: Designed for low static and dynamic power usage.
7. Fast Switching Speed: Capable of operating at high speeds (up to 5 MHz typical).
8. Robust Design: Available in a surface mount SOIC package for efficient board space utilization.
These features make the SN74HCT573NSR ideal for data buffering, temporary storage, and interfacing in digital circuits.

Pinout

The SN74HCT573NSR is an octal transparent latch with a total of 20 pins. Its primary functions include data storage and controlling data flow in digital circuits. The device features:
- Data Inputs (D0-D7): 8 input pins for data input.
- Output Pins (Q0-Q7): 8 output pins corresponding to the input data.
- Control Pins:
- Latch Enable (LE): Active high control for transparent latching of data inputs.
- Output Enable (OE): Active low control for enabling/disabling the outputs.
- Ground (GND): Common ground connection.
- VCC: Power supply pin (typically +5V).
This device is commonly used in applications requiring temporary data storage and transfer, such as in registers and buffers in digital systems.

Manufacturer

The SN74HCT573NSR is manufactured by Texas Instruments (TI), a prominent technology company headquartered in Dallas, Texas. Texas Instruments specializes in the design and production of semiconductors and various integrated circuits, known for their applications in analog and digital signal processing. The company’s portfolio includes a wide range of products such as microcontrollers, processors, and custom integrated circuits, serving numerous industries, including automotive, industrial, consumer electronics, and telecommunications.
Founded in 1930, Texas Instruments has established itself as a leader in the semiconductor industry, focusing on innovation and development of technologies that enhance electronic systems. It is widely recognized for its contributions to the advancement of both analog and digital electronics and is involved in the research and development of new technologies to meet the growing demands of modern electronic applications. TI's commitment to quality and reliability has made it a trusted supplier for engineers and designers worldwide.

Application

The SN74HCT573NSR is an octal transparent latch used in various digital applications. Key application areas include:
1. Data Storage: It temporarily holds data for processing in microcontrollers and digital signal processors.
2. Bus Interface: Acts as a buffer or interface between data buses in communication systems.
3. Data Routing: Facilitates the routing of data in complex digital circuits.
4. Control Logic: Utilized in control systems for managing state transitions and timing.
5. LED Drivers: Commonly employed in driving multiple LEDs in display applications.
Its high-speed operation and compatibility with TTL logic make it suitable for a range of electronic designs.

Package

The SN74HCT573NSR is available in a TSSOP (Thin Shrink Small Outline Package) package type, specifically with 20 pins. This surface-mount package is designed for compact layouts and efficient performance in digital applications.

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