74AVC4T245DGVRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Translator
• Characteristics: High-speed, bidirectional voltage level translation with automatic direction sensing
• Package: VSSOP-56
• Essence: This IC facilitates the translation of signals between different voltage domains in electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): -0.5V to 4.6V
• Input Voltage Range (B Port): -0.5V to 5.5V
• Output Voltage Range (A Port): -0.5V to 4.6V
• Output Voltage Range (B Port): -0.5V to 5.5V
• Propagation Delay: 2.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AVC4T245DGVRE4 IC has a total of 56 pins, which are distributed as follows:

• Pins 1-7: A1, A2, A3, A4, GND, B4, B3
• Pins 8-14: B2, B1, OE*, VCCA, VCCB, VREF, GND
• Pins 15-21: AREF, A5, A6, A7, GND, B7, B6
• Pins 22-28: B5, VCCB, VCCA, OE*, A8, A9, A10
• Pins 29-35: GND, B10, B9, B8, A11, A12, A13
• Pins 36-42: A14, GND, B14, B13, B12, B11, OE*
• Pins 43-49: VCCA, VCCB, A15, A16, A17, GND, B17
• Pins 50-56: B16, B15, OE*, A18, A19, A20, GND

Functional Features

• Bidirectional voltage level translation between two different voltage domains.
• Automatic direction sensing eliminates the need for additional control signals.
• Supports high-speed data transmission.
• Low power consumption.
• Provides ESD protection for reliable operation.

Advantages and Disadvantages

Advantages: - Simplifies voltage level translation in mixed-voltage systems. - Eliminates the need for external level shifters or translators. - High-speed operation enables efficient data transfer. - Automatic direction sensing simplifies circuit design.

Disadvantages: - Limited to a specific voltage range (1.2V to 3.6V). - May not be suitable for applications requiring voltage translation beyond the specified range.

Working Principles

The 74AVC4T245DGVRE4 IC utilizes a combination of MOSFETs and control logic to perform bidirectional voltage level translation. The automatic direction sensing feature allows the IC to detect the direction of data flow and adjust the voltage levels accordingly. This eliminates the need for additional control signals and simplifies the overall circuit design.

Detailed Application Field Plans

The 74AVC4T245DGVRE4 IC finds applications in various electronic systems where voltage level translation is required. Some potential application fields include:

1. Mixed-Voltage Systems: This IC can be used in systems where different components operate at different voltage levels, enabling seamless communication between them.
2. Interface Conversion: It can be employed to convert signals between different interface standards, such as TTL and CMOS, ensuring compatibility between devices.
3. Battery-Powered Devices: The low power consumption of this IC makes it suitable for use in battery-powered devices, extending their battery life.
4. Communication Systems: It can be utilized in communication systems to translate voltage levels between different modules or subsystems.

Detailed and Complete Alternative Models

1. SN74AVC4T245: Similar functionality and specifications, available in different package options.
2. 74LVC4T245: Lower voltage range (1.65V to 5.5V), suitable for applications with lower voltage requirements.
3. 74HCT245: Higher voltage range (2V to 6V), compatible with a wider range of voltage levels.

These alternative models offer similar voltage level translation capabilities but may have variations in voltage ranges, package options, or other specific features.

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