74LVT646PW,112

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Level Shifter and Bus Transceiver
Characteristics: Low Voltage, Bi-directional, Tri-state
Package: TSSOP-24
Essence: High-speed CMOS technology
Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

Supply Voltage Range: 1.2V to 3.6V
Input Voltage Range: 0V to VCC
Output Voltage Range: 0V to VCC
Operating Temperature Range: -40°C to +85°C
Propagation Delay Time: 4.5ns (Max)
Output Current: ±12mA
ESD Protection: Human Body Model > 2000V

Detailed Pin Configuration

The 74LVT646PW,112 IC has a total of 24 pins. The pin configuration is as follows:

___________ | | 1 | 24 | VCC 2 | 23 | OE# 3 | 22 | A1 4 | 21 | B1 5 | 20 | GND 6 | 19 | B2 7 | 18 | A2 8 | 17 | DIR 9 | 16 | B3 10 | 15 | A3 11 | 14 | B4 12 | 13 | A4 |___________|

Functional Features

Bi-directional level shifting between 3.3V and 5V systems
Tri-state outputs for bus sharing applications
Non-inverting data path
High-speed operation with low power consumption
ESD protection for robustness

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bi-directional functionality simplifies bidirectional communication - Tri-state outputs enable bus sharing without conflicts - High-speed operation ensures efficient data transfer - ESD protection enhances reliability in harsh environments

Disadvantages: - Limited output current may not be suitable for high-power applications - Propagation delay time may affect real-time applications with strict timing requirements

Working Principles

The 74LVT646PW,112 is a level shifter and bus transceiver IC that operates using high-speed CMOS technology. It facilitates bi-directional communication between systems operating at different voltage levels, such as 3.3V and 5V. The non-inverting data path ensures that the input signal is reproduced accurately at the output. The tri-state outputs allow multiple devices to share a common bus without causing conflicts. The IC operates within a wide supply voltage range and provides ESD protection for enhanced reliability.

Detailed Application Field Plans

The 74LVT646PW,112 IC finds applications in various fields where level shifting and bus transceiver functions are required. Some potential application areas include: - Communication systems - Data acquisition systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

SN74LVC646APW,112
MC74LVC646ADWR2G
CD74LVC646APW
74LVC646APW,118
TC74LVC646AFW

These alternative models offer similar functionality and can be considered as replacements for the 74LVT646PW,112 IC.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74LVT646PW,112 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74LVT646PW,112:

1. What is the function of the 74LVT646PW,112? The 74LVT646PW,112 is an octal bus transceiver with direction pin, used for bidirectional data transfer between different voltage systems.

2. What is the operating voltage range of the 74LVT646PW,112? The operating voltage range of the 74LVT646PW,112 is typically between 1.65V and 3.6V.

3. How many data lines can the 74LVT646PW,112 handle? The 74LVT646PW,112 can handle 8 data lines in both directions.

4. Can the 74LVT646PW,112 be used for level shifting between different voltage domains? Yes, the 74LVT646PW,112 is commonly used for level shifting between different voltage domains due to its bidirectional capability.

5. Does the 74LVT646PW,112 have built-in protection against overvoltage or ESD events? No, the 74LVT646PW,112 does not have built-in protection against overvoltage or ESD events. Additional external protection measures may be required.

6. What is the maximum data rate supported by the 74LVT646PW,112? The maximum data rate supported by the 74LVT646PW,112 is typically around 400 Mbps.

7. Can the 74LVT646PW,112 be used in a mixed-voltage system where some data lines operate at different voltages? Yes, the 74LVT646PW,112 can be used in a mixed-voltage system as long as the voltage levels are within its specified operating range.

8. Does the 74LVT646PW,112 have any special power-up or initialization requirements? No, the 74LVT646PW,112 does not have any special power-up or initialization requirements. It can be powered up and used directly.

9. Can the direction of data flow be controlled dynamically using the 74LVT646PW,112? Yes, the direction of data flow can be controlled dynamically by controlling the direction pin (DIR) of the 74LVT646PW,112.

10. Are there any specific layout considerations to keep in mind when using the 74LVT646PW,112? Yes, it is recommended to follow the manufacturer's guidelines for PCB layout, including proper decoupling capacitors, signal integrity considerations, and minimizing trace lengths for better performance.

Please note that these answers are general and may vary depending on the specific application and requirements.