Encyclopedia Entry: 74ACTQ245MTC

Product Overview

Category

The 74ACTQ245MTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is commonly used for bidirectional level shifting and voltage translation between different logic levels in digital systems. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional data transfer capability
• Wide operating voltage range
• High-speed operation
• Low power consumption
• Robust design for noise immunity
• Compact package size

Package

The 74ACTQ245MTC is available in a small outline integrated circuit (SOIC) package. This package provides mechanical protection, electrical insulation, and facilitates easy integration into electronic circuits.

Essence

The essence of the 74ACTQ245MTC lies in its ability to enable reliable data transfer between devices operating at different voltage levels, ensuring compatibility and seamless communication within digital systems.

Packaging/Quantity

The 74ACTQ245MTC is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Voltage Levels: 3.3V / 5V
• Number of Channels: 8
• Maximum Data Rate: 400 Mbps
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-20

Detailed Pin Configuration

The 74ACTQ245MTC has a total of 20 pins, arranged as follows:

``` __ __ A1 |1 __/ 20| VCCB A2 |2 19| OE# B1 |3 18| B7 B2 |4 17| B6 A3 |5 16| B5 A4 |6 15| B4 A5 |7 74 14| B3 A6 |8 ACTQ245 13| B2 A7 |9 12| B1 GND |10 11| A8 ----------

```

Functional Features

• Bidirectional data transfer: The 74ACTQ245MTC allows data to be transferred bidirectionally between two buses, ensuring seamless communication.
• Voltage level translation: It enables the translation of logic levels between different voltage domains, facilitating compatibility between devices operating at different voltages.
• Output enable control: The OE# pin allows the user to enable or disable the data output, providing flexibility in controlling the data flow.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various digital systems.
• High-speed operation enables efficient data transfer.
• Low power consumption contributes to energy-efficient designs.
• Robust design provides noise immunity, ensuring reliable data transmission.

Disadvantages

• Limited number of channels (8) may not be sufficient for complex systems requiring a higher channel count.
• Lack of built-in protection features against voltage spikes or ESD events may require additional external circuitry for enhanced reliability.

Working Principles

The 74ACTQ245MTC operates by utilizing a combination of transistors and logic gates to facilitate bidirectional data transfer. It employs level-shifting techniques to ensure proper voltage translation between different logic levels. The IC's internal circuitry is designed to minimize signal distortion and maintain data integrity during the translation process.

Detailed Application Field Plans

The 74ACTQ245MTC finds applications in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Industrial automation - Consumer electronics - Automotive electronics

In these applications, the IC enables seamless communication between devices operating at different voltage levels, ensuring compatibility and efficient data transfer.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACTQ245MTC include: - SN74LVC245A: Low-voltage CMOS octal bus transceiver - CD74HCT245: High-speed CMOS octal bus transceiver - MC74LVX245: Low-voltage CMOS octal bus transceiver

These alternatives provide comparable features and can be considered based on specific application requirements and availability.

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