74LVC245AT20-13

Product Overview

Category

The 74LVC245AT20-13 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation applications.

Characteristics

• Low-voltage CMOS technology
• Wide operating voltage range
• High-speed operation
• Bidirectional data transfer capability
• Schmitt-trigger action on all inputs
• Overvoltage tolerant inputs
• Power-down protection
• ESD protection

Package

The 74LVC245AT20-13 is available in a TSSOP-20 package.

Essence

The essence of the 74LVC245AT20-13 lies in its ability to provide bidirectional voltage level shifting with high-speed operation and various protective features.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel or tube.

Specifications

• Supply Voltage: 1.2V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.3ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74LVC245AT20-13 has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) - Output enable control pin
2. A1 - Data input/output pin
3. B1 - Data input/output pin
4. A2 - Data input/output pin
5. B2 - Data input/output pin
6. A3 - Data input/output pin
7. B3 - Data input/output pin
8. A4 - Data input/output pin
9. B4 - Data input/output pin
10. GND (Ground) - Ground reference pin
11. B5 - Data input/output pin
12. A5 - Data input/output pin
13. B6 - Data input/output pin
14. A6 - Data input/output pin
15. B7 - Data input/output pin
16. A7 - Data input/output pin
17. VCC - Power supply pin
18. DIR (Direction) - Direction control pin
19. B8 - Data input/output pin
20. A8 - Data input/output pin

Functional Features

• Bidirectional data transfer: The 74LVC245AT20-13 allows for bidirectional data transfer between two voltage domains.
• Schmitt-trigger action: All inputs of the IC employ Schmitt-trigger action, ensuring improved noise immunity and signal integrity.
• Overvoltage tolerant inputs: The IC can tolerate voltages higher than its supply voltage, providing protection against overvoltage conditions.
• Power-down protection: The IC features power-down protection, preventing damage to the device during power-off situations.
• ESD protection: The IC is equipped with electrostatic discharge (ESD) protection, safeguarding it against static electricity.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• High-speed operation enables fast data transfer.
• Bidirectional capability simplifies circuit design.
• Protective features such as overvoltage tolerance, power-down protection, and ESD protection enhance reliability.

Disadvantages

• Limited output drive capability may restrict usage in certain high-current applications.
• TSSOP-20 package may require careful handling during assembly.

Working Principles

The 74LVC245AT20-13 operates based on CMOS technology, utilizing a combination of transistors to achieve voltage level shifting. The direction of data transfer is controlled by the DIR pin, while the OE pin enables or disables the output. The Schmitt-trigger action on all inputs ensures reliable signal detection and noise immunity.

Detailed Application Field Plans

The 74LVC245AT20-13 finds applications in various fields, including but not limited to: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC245AT20-13 include: - SN74LVC245A - MC74LVC245 - CD74LVC245

These alternatives can be considered based on specific requirements and availability.

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