Encyclopedia Entry: 74AVCH1T45DCKRG4

Product Overview

Category

The 74AVCH1T45DCKRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage level translators.

Use

This product 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, ensuring compatibility and reliable data transfer.

Characteristics

• Bidirectional voltage level translation
• Supports multiple logic families
• Low power consumption
• High-speed operation
• Compact size
• RoHS compliant

Package

The 74AVCH1T45DCKRG4 is available in a small form factor package, such as a 6-pin SC-70 or DCK package. The package provides protection and facilitates easy integration into various circuit designs.

Essence

The essence of this product lies in its ability to bridge the gap between devices operating at different voltage levels, enabling smooth data transmission and communication.

Packaging/Quantity

The 74AVCH1T45DCKRG4 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube. This packaging ensures safe transportation and convenient handling during production processes.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V, 1.8V, 2.5V, and 3.3V
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input/Output Capacitance: 3.5 pF (typical)
• Output Drive Capability: ±24 mA

Detailed Pin Configuration

The 74AVCH1T45DCKRG4 has six pins, each serving a specific function:

1. VCCA: Power supply voltage for the A-side logic level translation.
2. A1: Input/output pin for the A-side logic level.
3. B1: Input/output pin for the B-side logic level.
4. GND: Ground reference for the IC.
5. OE: Output enable pin to control the direction of data flow.
6. VCCB: Power supply voltage for the B-side logic level translation.

Functional Features

• Bidirectional voltage level translation: Allows seamless communication between devices operating at different voltage levels.
• Automatic direction control: The direction of data flow is controlled by the OE (Output Enable) pin.
• Wide supply voltage range: Supports various logic voltage levels, making it versatile for different applications.
• High-speed operation: Enables fast data transfer rates up to 400 Mbps.
• Low power consumption: Designed to minimize power consumption, making it suitable for battery-powered devices.
• ESD protection: Provides Electrostatic Discharge (ESD) protection, enhancing the reliability and durability of the circuit.

Advantages and Disadvantages

Advantages

• Enables compatibility between devices with different logic voltage levels.
• Compact size allows for easy integration into space-constrained designs.
• Supports high-speed data transmission.
• Low power consumption extends battery life in portable devices.
• Provides ESD protection, enhancing circuit reliability.

Disadvantages

• Limited number of pins may restrict the number of simultaneous translations.
• May require additional external components for certain applications.
• Not suitable for voltage level translation beyond the specified supply voltage range.

Working Principles

The 74AVCH1T45DCKRG4 utilizes a combination of MOSFETs and level-shifting techniques to achieve bidirectional voltage level translation. It employs a control circuitry that automatically detects the direction of data flow based on the OE pin's state. When the OE pin is active, the IC allows bidirectional data transfer between the A and B sides, ensuring seamless communication.

Detailed Application Field Plans

The 74AVCH1T45DCKRG4 finds applications in various fields, including:

1. Consumer Electronics: Enables voltage level translation between different components in smartphones, tablets, and other portable devices.
2. Industrial Automation: Facilitates communication between devices operating at different logic levels in industrial control systems.
3. Automotive Electronics: Supports voltage level translation in automotive applications, such as infotainment systems and sensor interfaces.
4. IoT Devices: Enables compatibility between devices with varying logic voltage levels in Internet of Things (IoT) applications.
5. Communication Systems: Used for voltage level translation in networking equipment, routers, and switches.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Similar bidirectional voltage level translator from Texas Instruments.
2. NC7SZ04P5X: Single-gate inverter with level shifting capabilities from Fairchild Semiconductor.
3. NLSV1T45MUTAG: Ultra-small bidirectional voltage level translator from