Encyclopedia Entry: 74ALVC245PW,118

Product Overview

Category

The 74ALVC245PW,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This product is primarily 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 voltage range compatibility
• High-speed operation
• Low power consumption
• ESD protection
• RoHS compliant

Package

The 74ALVC245PW,118 is available in a TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size and allows for easy integration into various electronic designs.

Essence

The essence of the 74ALVC245PW,118 lies in its ability to facilitate efficient and reliable data transfer between devices operating at different voltage levels, ensuring seamless communication within digital systems.

Packaging/Quantity

The 74ALVC245PW,118 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Family: ALVC
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ALVC245PW,118 features a dual-in-line pin configuration with a total of 20 pins. The pinout is as follows:

1. OE (Output Enable)
2. A1 (Data Input/Output)
3. B1 (Data Input/Output)
4. A2 (Data Input/Output)
5. B2 (Data Input/Output)
6. A3 (Data Input/Output)
7. B3 (Data Input/Output)
8. GND (Ground)
9. B4 (Data Input/Output)
10. A4 (Data Input/Output)
11. B5 (Data Input/Output)
12. A5 (Data Input/Output)
13. B6 (Data Input/Output)
14. A6 (Data Input/Output)
15. B7 (Data Input/Output)
16. A7 (Data Input/Output)
17. VCC (Supply Voltage)
18. DIR (Direction Control)
19. B0 (Data Input/Output)
20. A0 (Data Input/Output)

Functional Features

• Bidirectional data transfer: Allows for seamless communication between devices operating at different voltage levels.
• Output enable control: Enables or disables the data output, providing flexibility in system design.
• Direction control: Determines the direction of data flow, allowing for versatile data transmission.

Advantages and Disadvantages

Advantages

• Wide voltage range compatibility enables integration into various digital systems.
• High-speed operation facilitates efficient data transfer.
• Low power consumption contributes to energy-efficient designs.
• ESD protection ensures robustness against electrostatic discharge.
• RoHS compliance promotes environmental sustainability.

Disadvantages

• Limited number of channels may restrict its application in complex systems requiring a higher channel count.
• Propagation delay may introduce timing constraints in certain applications.

Working Principles

The 74ALVC245PW,118 operates based on the principles of voltage level shifting and bidirectional data transfer. It utilizes internal circuitry to convert logic signals from one voltage level to another, enabling seamless communication between devices with different voltage requirements. The direction control pin determines the data flow direction, while the output enable pin enables or disables the data output.

Detailed Application Field Plans

The 74ALVC245PW,118 finds applications in various digital systems where bidirectional level shifting and voltage translation are required. Some specific application fields include:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Enabling data exchange between sensors and control units with varying voltage requirements.
3. Communication systems: Supporting voltage translation between different communication protocols and standards.
4. Industrial automation: Integrating devices with different logic levels in industrial control systems.

Detailed and Complete Alternative Models

1. SN74LVC245APW: Similar functionality and specifications, available in a TSSOP package.
2. MC74LVX245DTR2G: Bidirectional bus transceiver with comparable characteristics, offered in a TSSOP package.
3. CD74HCT245E: Octal bus transceiver with TTL compatibility, available in a DIP package.

These alternative models provide similar functionality and can be considered as substitutes for the 74ALVC245PW,118 based on specific design