SN74AS646NT

Product Overview

Category

SN74AS646NT belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data bus transceivers in various electronic systems.

Characteristics

• High-speed operation
• Bidirectional data transfer capability
• Wide operating voltage range
• Low power consumption
• Robust design for reliable performance

Package

SN74AS646NT is available in a 24-pin plastic dual in-line package (PDIP).

Essence

The essence of SN74AS646NT lies in its ability to facilitate efficient and reliable bidirectional data transfer between two separate data buses.

Packaging/Quantity

SN74AS646NT is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Levels: TTL-compatible
• Maximum Data Transfer Rate: 25 MHz
• Number of Pins: 24

Detailed Pin Configuration

1. A0 (Input)
2. A1 (Input)
3. A2 (Input)
4. A3 (Input)
5. A4 (Input)
6. A5 (Input)
7. A6 (Input)
8. A7 (Input)
9. DIR (Input)
10. OE (Input)
11. B0 (Input/Output)
12. B1 (Input/Output)
13. B2 (Input/Output)
14. B3 (Input/Output)
15. B4 (Input/Output)
16. B5 (Input/Output)
17. B6 (Input/Output)
18. B7 (Input/Output)
19. VCC (Power Supply)
20. GND (Ground)
21. BDIR (Output)
22. BOE (Output)
23. A8 (Input)
24. A9 (Input)

Functional Features

• Bidirectional data transfer between two separate data buses
• Direction control using DIR pin
• Output enable/disable using OE pin
• TTL-compatible input/output logic levels
• High-speed operation for efficient data transfer

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data transfer
• Wide operating voltage range ensures compatibility with various systems
• Low power consumption for energy-efficient operation
• Robust design ensures reliable performance in different environments

Disadvantages

• Limited number of pins may restrict the number of data lines that can be connected
• May require additional external components for certain applications

Working Principles

SN74AS646NT operates by receiving data from one bus and transmitting it to another bidirectionally. The direction of data transfer is controlled by the DIR pin, while the OE pin enables or disables the output. The IC operates at high speeds, allowing for efficient data transfer between the buses.

Detailed Application Field Plans

SN74AS646NT finds applications in various electronic systems where bidirectional data transfer between separate data buses is required. Some common application fields include:

1. Microprocessor-based systems
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74ALS646NT
2. SN74LS646NT
3. SN74HC646NT
4. SN74HCT646NT
5. SN74ACT646NT

These alternative models offer similar functionality and characteristics to SN74AS646NT, but may differ in terms of speed, power consumption, or voltage compatibility.

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