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SN74LVC543APWT
Product Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Shifter
- Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Logic level shifting and data storage
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: 1.65V to 3.6V
- High-Level Input Voltage: 2V to VCC + 0.5V
- Low-Level Input Voltage: -0.5V to 0.8V
- High-Level Output Voltage: VCC - 0.4V
- Low-Level Output Voltage: 0.4V
- Maximum Operating Frequency: 100MHz
- Number of Flip-Flops: 8
- Output Drive Capability: ±24mA
- Propagation Delay: 2.7ns (Max)
Detailed Pin Configuration
The SN74LVC543APWT has a total of 20 pins. The pin configuration is as follows:
- OE (Output Enable) - Active Low Output Enable
- CP (Clock Pulse) - Clock Input for Flip-Flop
- D0-D7 (Data Inputs) - Data Inputs for Flip-Flop
- Q0-Q7 (Outputs) - Outputs from Flip-Flop
- GND (Ground) - Ground Reference
- VCC (Supply Voltage) - Positive Power Supply
Functional Features
- High-Speed Operation: The SN74LVC543APWT operates at high frequencies up to 100MHz, making it suitable for applications requiring fast data transfer.
- Low-Voltage Operation: With a supply voltage range of 1.65V to 3.6V, this IC is compatible with low-voltage systems, reducing power consumption.
- 3-State Outputs: The 3-state outputs allow multiple devices to share a common bus, enabling efficient data communication.
Advantages and Disadvantages
Advantages: - High-speed operation enables fast data transfer. - Low-voltage operation reduces power consumption. - 3-state outputs facilitate efficient data communication.
Disadvantages: - Limited supply voltage range may not be suitable for all applications. - Propagation delay of 2.7ns (Max) may impact timing-sensitive applications.
Working Principles
The SN74LVC543APWT is an octal D-type flip-flop with 3-state outputs. It operates by storing data on the rising edge of the clock pulse (CP) input. The stored data can then be accessed from the output pins (Q0-Q7). The output enable (OE) pin controls the 3-state outputs, allowing them to be either active or in a high-impedance state.
Detailed Application Field Plans
The SN74LVC543APWT is commonly used in various digital systems and applications, including:
- Data Communication: It can be used as a level shifter to interface between different logic families operating at different voltage levels.
- Memory Systems: The IC can be employed in memory modules to store and retrieve data efficiently.
- Bus Transceivers: It can serve as a bidirectional buffer for data buses, enabling communication between different subsystems.
- Microcontroller Interfaces: The SN74LVC543APWT can be utilized to interface microcontrollers with other peripheral devices.
Detailed and Complete Alternative Models
- SN74LVC541A: Octal Buffer/Line Driver with 3-State Outputs
- SN74LVC573A: Octal D-Type Transparent Latch with 3-State Outputs
- SN74LVC244A: Octal Buffer/Line Driver with 3-State Outputs
These alternative models offer similar functionality and can be considered as substitutes for the SN74LVC543APWT in various applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74LVC543APWT en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SN74LVC543APWT:
Q: What is SN74LVC543APWT? A: SN74LVC543APWT is a type of integrated circuit (IC) commonly used as an octal transparent D-type latch with 3-state outputs.
Q: What is the purpose of SN74LVC543APWT? A: SN74LVC543APWT is used for data storage and transfer in digital systems. It can be used to latch and hold data, and also to enable or disable the output signals.
Q: What voltage levels does SN74LVC543APWT support? A: SN74LVC543APWT supports voltage levels from 1.65V to 5.5V, making it compatible with a wide range of digital systems.
Q: How many inputs and outputs does SN74LVC543APWT have? A: SN74LVC543APWT has 8 input pins (D0-D7) and 8 output pins (Q0-Q7), making it suitable for applications that require multiple data lines.
Q: Can SN74LVC543APWT handle bidirectional data transfer? A: Yes, SN74LVC543APWT supports bidirectional data flow. It can be used for both input and output operations.
Q: What is the maximum data transfer rate of SN74LVC543APWT? A: SN74LVC543APWT has a maximum data transfer rate of 80 Mbps, allowing for high-speed data transmission in digital systems.
Q: Does SN74LVC543APWT have any built-in protection features? A: Yes, SN74LVC543APWT has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.
Q: Can SN74LVC543APWT be cascaded to increase the number of data lines? A: Yes, multiple SN74LVC543APWT ICs can be cascaded together to increase the number of data lines in a system.
Q: What is the power supply voltage range for SN74LVC543APWT? A: SN74LVC543APWT operates with a power supply voltage range from 2.7V to 3.6V.
Q: Are there any specific application notes or reference designs available for SN74LVC543APWT? A: Yes, Texas Instruments provides application notes and reference designs that can help in designing circuits using SN74LVC543APWT. These resources can be found on their website.
Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.