74LCX245MTR

Product Overview

Category

The 74LCX245MTR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Low-voltage operation: The 74LCX245MTR operates at a low voltage, typically between 1.65V and 3.6V.
• High-speed performance: It offers fast switching speeds, making it suitable for high-frequency applications.
• Bidirectional data transfer: This IC allows bidirectional data flow between two voltage domains.
• 8-bit wide interface: It supports the transfer of 8 bits of data simultaneously.
• ESD protection: The 74LCX245MTR provides built-in electrostatic discharge (ESD) protection, enhancing its reliability.

Package

The 74LCX245MTR is available in a small outline transistor (SOT) package.

Essence

The essence of the 74LCX245MTR lies in its ability to facilitate level shifting and voltage translation between different voltage domains.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: LCX
• Number of Channels: 8
• Input/Output Type: Bidirectional
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX245MTR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional data transfer: The 74LCX245MTR allows data to be transferred bidirectionally between two voltage domains.
• Voltage translation: It facilitates the translation of logic levels between different voltage ranges, enabling compatibility between devices operating at different voltages.
• Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling data flow.
• High-speed operation: This IC offers fast switching speeds, making it suitable for high-frequency applications.

Advantages and Disadvantages

Advantages

• Low-voltage operation allows compatibility with a wide range of devices.
• Bidirectional data transfer simplifies communication between different voltage domains.
• Built-in ESD protection enhances reliability.
• Small package size saves board space.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• Operating temperature range (-40°C to +85°C) may not be suitable for extreme environments.

Working Principles

The 74LCX245MTR operates based on the principles of level shifting and voltage translation. It uses a combination of transistors and logic gates to convert signals from one voltage domain to another. When the DIR pin is set to a specific logic level, the data flow direction is determined. The OE pin enables or disables the outputs, controlling the data transfer.

Detailed Application Field Plans

The 74LCX245MTR finds applications in various fields, including:

1. Communication systems: It facilitates voltage translation between different communication protocols and standards.
2. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
3. Data acquisition systems: It allows for level shifting in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
4. Industrial automation: It can be used for voltage translation in control systems and sensor interfaces.
5. Consumer electronics: It enables compatibility between devices with different voltage requirements, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX245MTR include:

1. SN74LVC245A: This IC offers bidirectional voltage translation and operates at a supply voltage range of 1.65V to 5.5V.
2. TXB0108: It