SN74ALS646ADWR

Product Overview

Category

SN74ALS646ADWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for data transmission and signal processing.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with various logic families

Package

SN74ALS646ADWR is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to facilitate efficient data transfer and signal processing within electronic devices.

Packaging/Quantity

SN74ALS646ADWR is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications

• Logic family: ALS
• Number of bits: 8
• Input/output voltage range: 2V to 6V
• Operating temperature range: -40°C to 85°C
• Propagation delay time: 10 ns (typical)
• Supply voltage: 4.5V to 5.5V

Detailed Pin Configuration

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. A3: Address input bit 3
5. A4: Address input bit 4
6. A5: Address input bit 5
7. A6: Address input bit 6
8. A7: Address input bit 7
9. OE*: Output enable input
10. DIR: Direction control input
11. GND: Ground
12. B0: Data bus bit 0
13. B1: Data bus bit 1
14. B2: Data bus bit 2
15. B3: Data bus bit 3
16. B4: Data bus bit 4
17. B5: Data bus bit 5
18. B6: Data bus bit 6
19. B7: Data bus bit 7
20. VCC: Supply voltage

Functional Features

• Bidirectional data transfer between two buses
• Direction control for selecting input or output mode
• Output enable control for enabling/disabling the outputs
• Address inputs for selecting specific data transfer paths

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low power consumption helps conserve energy
• Wide operating voltage range ensures compatibility with various systems
• Compatibility with different logic families enhances versatility

Disadvantages

• Limited number of bits (8) may not be suitable for applications requiring larger data transfers
• Propagation delay time may affect real-time data processing in certain scenarios

Working Principles

SN74ALS646ADWR operates based on a bidirectional data bus concept. It enables data transfer between two buses by controlling the direction and enabling/disabling the outputs. The address inputs determine the specific data transfer path.

Detailed Application Field Plans

SN74ALS646ADWR finds application in various fields, including: 1. Communication systems 2. Data acquisition systems 3. Industrial automation 4. Automotive electronics 5. Medical devices

Detailed and Complete Alternative Models

Some alternative models to SN74ALS646ADWR include: 1. SN74ALS645A 2. SN74ALS647 3. SN74ALS648 4. SN74ALS649

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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