Encyclopedia Entry: 74ACTQ652SCX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, low-power consumption, bidirectional level shifting
• Package: Surface Mount Technology (SMT) package
• Essence: Transfers digital signals between devices operating at different voltage levels
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Logic Family: ACTQ
• Number of Channels: 8
• Input Voltage Range (V_CC): 2.0V to 5.5V
• Output Voltage Range (V_CC): 2.0V to 5.5V
• Propagation Delay Time: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACTQ652SCX IC has a total of 48 pins, which are assigned as follows:

• Pins 1-8: Channel A Data Inputs/Outputs (D0-D7)
• Pins 9-16: Channel B Data Inputs/Outputs (D0-D7)
• Pins 17-24: Channel Enable Inputs (G1, G2)
• Pins 25-32: Channel Output Enables (OE1, OE2)
• Pins 33-40: Channel Direction Control Inputs (DIR1, DIR2)
• Pins 41-48: Ground (GND) and Power Supply (V_CC) Pins

Functional Features

• Bidirectional level shifting: Allows for the translation of digital signals between devices operating at different voltage levels.
• Independent channel control: Each channel can be enabled or disabled individually, providing flexibility in signal routing.
• Direction control: The direction of data flow can be controlled using the DIR1 and DIR2 pins.
• High-speed operation: The 74ACTQ652SCX offers fast propagation delay times, making it suitable for high-frequency applications.
• Low-power consumption: Designed to minimize power consumption, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage levels. - Independent channel control allows for versatile signal routing. - High-speed operation ensures efficient data transfer. - Low-power consumption contributes to energy efficiency.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - Requires careful consideration of voltage compatibility to avoid potential damage to connected devices.

Working Principles

The 74ACTQ652SCX is a bidirectional level shifter that operates by utilizing a combination of MOSFETs and CMOS technology. It employs a voltage translation technique to convert digital signals between two voltage domains. The IC's internal circuitry ensures that the logic levels of the input signals are properly translated to match the voltage requirements of the output signals. This enables seamless communication between devices operating at different voltage levels while maintaining signal integrity.

Detailed Application Field Plans

The 74ACTQ652SCX finds application in various fields where there is a need to interface devices operating at different voltage levels. Some common application areas include:

1. Microcontroller Interfacing: Facilitates communication between microcontrollers operating at different voltage levels, enabling them to exchange data seamlessly.
2. Sensor Networks: Allows sensors with different voltage requirements to interface with a central processing unit, simplifying system integration.
3. Industrial Automation: Enables communication between different modules and subsystems within an industrial automation setup, enhancing interoperability.
4. Communication Systems: Used in communication equipment to interface between different voltage domains, ensuring reliable data transmission.

Detailed and Complete Alternative Models

1. 74ACTQ652SC: Similar to 74ACTQ652SCX but available in a different package (DIP).
2. 74HCT652: A CMOS level shifter with similar functionality but operates at a wider voltage range (2.0V to 6.0V).
3. 74LVX652: Another bidirectional level shifter that operates at lower voltage levels (1.65V to 3.6V) while providing similar features.

These alternative models offer similar functionality to the 74ACTQ652SCX and can be considered based on specific application requirements.

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