Encyclopedia Entry: 74VCX2245MTC

Product Overview

Category

The 74VCX2245MTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage translating/buffer ICs.

Use

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

Characteristics

• Voltage Level Translation: The 74VCX2245MTC facilitates bidirectional voltage level translation between two independent voltage domains.
• High-Speed Operation: This IC operates at high speeds, making it suitable for use in fast digital systems.
• Low Power Consumption: It is designed to consume minimal power, ensuring efficient operation.
• Wide Operating Voltage Range: The IC supports a wide range of input and output voltage levels, enhancing its versatility.
• ESD Protection: The device incorporates built-in electrostatic discharge (ESD) protection, safeguarding against potential damage.

Package and Quantity

The 74VCX2245MTC is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200 MHz
• Number of Channels: 8
• Input/Output Type: Bidirectional

Pin Configuration

The pin configuration of the 74VCX2245MTC is as follows:

┌───┐ A1 -|1 24|- VCC B1 -|2 23|- OE# A2 -|3 22|- B7 B2 -|4 21|- A7 A3 -|5 20|- B6 B3 -|6 19|- A6 A4 -|7 18|- B5 B4 -|8 17|- A5 GND-|9 16|- B5 OE#-|10 15|- A8 B1 -|11 14|- B8 A1 -|12 13|- GND └───┘

Functional Features

• Bidirectional Voltage Translation: The IC allows bidirectional voltage translation between two voltage domains, enabling seamless communication.
• Direction Control: The OE# (Output Enable) pin controls the direction of data flow.
• High-Speed Operation: The device operates at high speeds, ensuring efficient data transfer.

Advantages and Disadvantages

Advantages

• Wide Operating Voltage Range: Supports a wide range of input and output voltage levels, enhancing compatibility.
• ESD Protection: Built-in electrostatic discharge protection safeguards against potential damage.
• Compact Package: Comes in a small outline package, saving board space.

Disadvantages

• Limited Channel Count: The IC provides 8 channels, which may be insufficient for certain applications requiring more channels.
• Not Suitable for Analog Signals: The 74VCX2245MTC is designed specifically for digital signals and may not be suitable for analog applications.

Working Principles

The 74VCX2245MTC utilizes a combination of MOSFETs and CMOS technology to achieve voltage level translation. It employs a bidirectional buffer design that allows data to flow in both directions while maintaining signal integrity.

Application Field Plans

The 74VCX2245MTC finds applications in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Memory interfaces - Communication systems - Data acquisition systems

Alternative Models

• 74LVC245: This IC offers similar voltage translation capabilities but operates at a lower voltage range.
• SN74LVCH245A: Another alternative with comparable features, suitable for bidirectional voltage level translation.

In conclusion, the 74VCX2245MTC is a versatile integrated circuit used for bidirectional voltage level translation in digital systems. Its high-speed operation, wide voltage range, and compact package make it an ideal choice for various applications.

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