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SN74HCT573DWRG4
Product Overview
Category
SN74HCT573DWRG4 belongs to the category of integrated circuits (ICs).
Use
It is commonly used as an octal transparent latch with 3-state outputs.
Characteristics
- Octal D-type transparent latches
- 3-state outputs for bus-oriented applications
- High-speed operation
- Low power consumption
- Schmitt-trigger action on all inputs
- ESD protection exceeds JESD 22
Package
The SN74HCT573DWRG4 comes in a standard SOIC-20 package.
Essence
The essence of SN74HCT573DWRG4 lies in its ability to store and output data in a bus-oriented system.
Packaging/Quantity
This product is typically packaged in reels, with 2500 units per reel.
Specifications
- Supply voltage range: 4.5V to 5.5V
- Input voltage range: 0V to VCC
- Output voltage range: 0V to VCC
- Operating temperature range: -40°C to +85°C
- Propagation delay time: 14 ns (max)
- Output current: ±6 mA
Detailed Pin Configuration
- GND (Ground)
- D0 (Data input 0)
- D1 (Data input 1)
- D2 (Data input 2)
- D3 (Data input 3)
- D4 (Data input 4)
- D5 (Data input 5)
- D6 (Data input 6)
- D7 (Data input 7)
- OE (Output enable)
- LE (Latch enable)
- Q0 (Output 0)
- Q1 (Output 1)
- Q2 (Output 2)
- Q3 (Output 3)
- Q4 (Output 4)
- Q5 (Output 5)
- Q6 (Output 6)
- Q7 (Output 7)
- VCC (Supply voltage)
Functional Features
The SN74HCT573DWRG4 is an octal transparent latch with 3-state outputs. It can store and output data in a bus-oriented system. The latch is transparent when the latch enable (LE) input is high, allowing the data inputs to be transferred to the outputs. When the LE input is low, the latch holds the last data present at the inputs.
The output enable (OE) input controls the 3-state outputs. When OE is high, the outputs are in the high-impedance state, allowing multiple devices to share a common bus without interference.
Advantages and Disadvantages
Advantages
- High-speed operation allows for efficient data transfer.
- Low power consumption helps conserve energy.
- Schmitt-trigger action on all inputs ensures noise immunity.
- ESD protection exceeds industry standards, enhancing reliability.
Disadvantages
- Limited supply voltage range of 4.5V to 5.5V.
- Propagation delay time of 14 ns may not be suitable for extremely time-sensitive applications.
Working Principles
The SN74HCT573DWRG4 operates based on the principles of latch-based storage and 3-state output control. When the latch enable (LE) input is high, the latch becomes transparent, allowing the data inputs to pass through to the outputs. Conversely, when LE is low, the latch holds the last data present at the inputs.
The output enable (OE) input determines the state of the outputs. When OE is high, the outputs enter a high-impedance state, allowing other devices to drive the bus without interference.
Detailed Application Field Plans
The SN74HCT573DWRG4 is widely used in various applications, including: - Data storage and transfer in microcontrollers - Address decoding in memory systems - Bus-oriented systems requiring multiple devices to share a common bus
Detailed and Complete Alternative Models
- SN74HCT573N: DIP-20 package, similar specifications
- 74HC573D: SOIC-20 package, compatible functionality
- CD74HCT573E: PDIP-20 package, comparable performance
These alternative models offer similar functionality and can be used as substitutes for the SN74HCT573DWRG4 in various applications.
In conclusion, the SN74HCT573DWRG4 is an octal transparent latch with 3-state outputs, commonly used in bus-oriented systems. Its high-speed operation, low power consumption, and noise immunity make it suitable for various applications. However, its limited supply voltage range and propagation delay time should be considered when selecting alternatives.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74HCT573DWRG4 en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SN74HCT573DWRG4 in technical solutions:
Q: What is the SN74HCT573DWRG4? A: The SN74HCT573DWRG4 is a high-speed octal D-type transparent latch with 3-state outputs, commonly used in digital systems.
Q: What is the operating voltage range for SN74HCT573DWRG4? A: The operating voltage range for SN74HCT573DWRG4 is typically between 4.5V and 5.5V.
Q: How many latch outputs does SN74HCT573DWRG4 have? A: SN74HCT573DWRG4 has 8 latch outputs, making it suitable for applications requiring multiple data storage.
Q: What is the maximum clock frequency supported by SN74HCT573DWRG4? A: SN74HCT573DWRG4 can support clock frequencies up to 25 MHz, making it suitable for high-speed applications.
Q: Can SN74HCT573DWRG4 be used as a bidirectional buffer? A: No, SN74HCT573DWRG4 is not designed for bidirectional buffering. It is a unidirectional latch.
Q: What is the power consumption of SN74HCT573DWRG4? A: The power consumption of SN74HCT573DWRG4 is relatively low, typically around 20mW.
Q: Does SN74HCT573DWRG4 have any built-in protection features? A: Yes, SN74HCT573DWRG4 has built-in protection against electrostatic discharge (ESD) and latch-up.
Q: Can SN74HCT573DWRG4 be cascaded to increase the number of outputs? A: Yes, multiple SN74HCT573DWRG4 latches can be cascaded together to increase the number of outputs in a system.
Q: What is the output drive capability of SN74HCT573DWRG4? A: SN74HCT573DWRG4 has a typical output drive capability of 6mA, allowing it to drive standard logic levels.
Q: Are there any specific application notes or reference designs available for SN74HCT573DWRG4? A: Yes, Texas Instruments provides application notes and reference designs that can help with the implementation of SN74HCT573DWRG4 in various technical solutions.
Please note that these answers are general and may vary depending on the specific requirements and conditions of your application. It is always recommended to refer to the datasheet and consult the manufacturer for detailed information.