SN74ABT640DWR

Product Overview

Category

SN74ABT640DWR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for bus transceiver applications.

Characteristics

• High-speed CMOS technology
• 3-state outputs
• Non-inverting data path
• Bidirectional data flow
• Low power consumption

Package

SN74ABT640DWR is available in a standard surface mount package, known as SOIC-20.

Essence

The essence of SN74ABT640DWR lies in its ability to facilitate bidirectional data transfer between two buses.

Packaging/Quantity

SN74ABT640DWR is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Supply voltage: 4.5V to 5.5V
• Input voltage range: 0V to VCC
• Output voltage range: 0V to VCC
• Operating temperature range: -40°C to +85°C
• Maximum propagation delay: 6 ns
• Maximum quiescent current: 10 μA

Detailed Pin Configuration

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

Functional Features

• Bidirectional data transfer: SN74ABT640DWR allows data to be transferred bidirectionally between two buses, A and B.
• Non-inverting data path: The data is not inverted during the transfer process.
• 3-state outputs: The outputs can be disabled using the OE pin, allowing multiple devices to share the same bus without interference.
• Direction control: The DIR pin determines the direction of data flow.

Advantages and Disadvantages

Advantages

• High-speed operation: SN74ABT640DWR operates at a fast speed, making it suitable for applications requiring quick data transfer.
• Low power consumption: This IC consumes minimal power, contributing to energy efficiency in electronic systems.
• Versatile use: It can be used in various applications that require bidirectional data transfer.

Disadvantages

• Limited voltage range: SN74ABT640DWR has a restricted input and output voltage range, which may limit its compatibility with certain systems.
• Temperature limitations: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments.

Working Principles

SN74ABT640DWR functions as a bidirectional bus transceiver by enabling data transfer between two buses, A and B. The direction of data flow is determined by the DIR pin. When DIR is set to logic high, data flows from bus A to bus B, and when DIR is set to logic low, data flows from bus B to bus A. The OE pin is used to enable or disable the outputs, allowing multiple devices to share the same bus without interference.

Detailed Application Field Plans

SN74ABT640DWR finds applications in various fields where bidirectional data transfer is required. Some of the common application areas include: - Data communication systems - Microprocessor-based systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SN74ABT640NSR
• SN74ABT640DBR
• SN74ABT640PW
• SN74ABT640ADW
• SN74ABT640DGV

These alternative models offer similar functionality to SN74ABT640DWR and can be considered as substitutes based on specific requirements.

In conclusion, SN74ABT640DWR is a high-speed CMOS bus transceiver IC that facilitates bidirectional data transfer between two buses. It offers advantages such as high-speed operation, low power consumption, and versatile use. However, it has limitations in terms of voltage range and operating temperature. This IC finds applications in various fields, including data communication systems, microprocessor-based systems, and industrial automation. Alternative models are available for consideration based on specific needs.