Encyclopedia Entry: 74AVCH1T45FZ4-7

Product Overview

Category

The 74AVCH1T45FZ4-7 belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage level translators.

Use

This IC is primarily used for bidirectional voltage level translation between different logic levels in electronic circuits. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage level translation
• Support for multiple logic families
• Low power consumption
• High-speed operation
• Small form factor
• Wide operating voltage range

Package

The 74AVCH1T45FZ4-7 is available in a small outline package (SOT) with a total of 6 pins.

Essence

The essence of this product lies in its ability to facilitate voltage level translation, ensuring compatibility between devices operating at different logic levels.

Packaging/Quantity

The 74AVCH1T45FZ4-7 is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V, 1.8V, 2.5V, 3.3V
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input/Output Capacitance: 3.5pF
• Propagation Delay: 2.5ns (typical)

Pin Configuration

The 74AVCH1T45FZ4-7 has a total of 6 pins arranged as follows:

┌───┐ A0 ─┤ ├── VCC A1 ─┤ ├── B0 GND ─┤ ├── B1 OE ─┤ ├── A1 B2 ─┤ ├── A0 B3 ─┤ ├── GND └───┘

Functional Features

• Bidirectional voltage level translation between different logic levels
• Automatic direction sensing
• Support for multiple logic families (e.g., CMOS, TTL)
• Enable/disable control through the OE (Output Enable) pin
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Wide operating voltage range allows compatibility with various logic families
• High-speed operation facilitates efficient data transfer
• Small form factor saves space in electronic designs
• Low power consumption helps conserve energy

Disadvantages

• Limited to bidirectional voltage level translation only
• May require additional components for more complex voltage level translation scenarios

Working Principles

The 74AVCH1T45FZ4-7 utilizes a combination of MOSFETs and level-shifting circuitry to achieve bidirectional voltage level translation. The direction of translation is automatically sensed based on the input and output voltage levels. When the OE pin is enabled, the IC actively translates the signals between the two voltage domains.

Detailed Application Field Plans

The 74AVCH1T45FZ4-7 finds applications in various fields where voltage level translation is required. Some common application areas include:

1. Microcontroller interfacing with different peripheral devices
2. Communication interfaces between systems operating at different logic levels
3. Level shifting in battery-powered portable devices
4. Sensor networks requiring voltage level compatibility
5. Industrial automation systems integrating components with varying voltage requirements

Alternative Models

For users seeking alternative options, the following ICs can be considered:

1. 74LVC245: A similar bidirectional voltage level translator with an 8-bit data width.
2. SN74LV1T34: Unidirectional voltage level translator for logic level conversion.
3. TXB0104: Four-channel bidirectional voltage level translator with automatic direction sensing.

These alternative models provide similar functionality and can be chosen based on specific project requirements.

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