Encyclopedia Entry: 74ALVCH245WMX

Product Overview

Category

The 74ALVCH245WMX belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

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

Characteristics

• Bidirectional data transfer capability
• Wide operating voltage range
• High-speed operation
• Low power consumption
• ESD protection
• RoHS compliant

Package

The 74ALVCH245WMX is available in a small outline integrated circuit (SOIC) package. This package offers compactness, ease of handling, and efficient heat dissipation.

Essence

The essence of the 74ALVCH245WMX lies in its ability to facilitate reliable and efficient data transfer between devices operating at different voltage levels, ensuring compatibility and seamless communication.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: ALVCH
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Maximum Data Rate: X Mbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-20

Detailed Pin Configuration

The 74ALVCH245WMX has a total of 20 pins, arranged as follows:

_______ A1 |1 20| VCC B1 |2 19| OE# A2 |3 18| B7 B2 |4 17| A7 A3 |5 16| B6 B3 |6 15| A6 A4 |7 14| B5 B4 |8 13| A5 GND |9 12| B5 OE#|10 11| A8 ¯¯¯¯¯¯¯

Functional Features

• Bidirectional data transfer: The IC allows data to be transmitted in both directions, enabling seamless communication between devices.
• Voltage level translation: It facilitates the conversion of logic levels between different voltage domains, ensuring compatibility between devices operating at different voltages.
• Output enable control: The OE# pin controls the direction of data flow, allowing for efficient bus sharing and isolation.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various systems.
• High-speed operation ensures efficient data transfer.
• Low power consumption contributes to energy efficiency.
• ESD protection safeguards against electrostatic discharge damage.
• RoHS compliance promotes environmental friendliness.

Disadvantages

• Limited number of channels (8) may not suffice for complex systems requiring a higher channel count.
• Lack of built-in voltage regulation may require additional external components for voltage translation in certain applications.

Working Principles

The 74ALVCH245WMX operates based on the principles of voltage level shifting and bidirectional data transfer. It utilizes internal circuitry to detect and convert logic levels between different voltage domains, allowing for seamless communication between devices. The OE# pin controls the direction of data flow, enabling efficient bus sharing and isolation.

Detailed Application Field Plans

The 74ALVCH245WMX finds extensive application in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• 74LVC245A: Similar bidirectional bus transceiver with a lower operating voltage range.
• SN74LVCH245A: Equivalent IC from Texas Instruments with similar characteristics and pin configuration.
• MC74VHC245: Alternative bus transceiver with higher channel count and compatible logic family.

(Note: The list of alternative models is not exhaustive and may vary based on availability and specific requirements.)

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