Encyclopedia Entry: 74ABT648D,602

Product Overview

Category

The 74ABT648D,602 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 data transfer between two buses with different voltage levels. It acts as a buffer, allowing seamless communication between these buses.

Characteristics

• Bidirectional data transfer
• Supports voltage level translation
• High-speed operation
• Low power consumption
• Robust design for noise immunity

Package

The 74ABT648D,602 is available in a standard 20-pin SSOP (Shrink Small Outline Package) package. This compact package ensures efficient use of board space while providing adequate protection to the integrated circuit.

Essence

The essence of the 74ABT648D,602 lies in its ability to facilitate reliable and efficient bidirectional data transfer between buses operating at different voltage levels.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Levels:
  • High-Level Input Voltage: 2.0V to VCC + 0.3V
  • Low-Level Input Voltage: -0.3V to 0.8V
• Output Voltage Levels:
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6ns

Detailed Pin Configuration

The 74ABT648D,602 features a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O0A (Bidirectional Data Bus A)
3. I/O1A (Bidirectional Data Bus A)
4. GND (Ground)
5. I/O2A (Bidirectional Data Bus A)
6. I/O3A (Bidirectional Data Bus A)
7. VCC (Supply Voltage)
8. I/O4A (Bidirectional Data Bus A)
9. I/O5A (Bidirectional Data Bus A)
10. I/O6A (Bidirectional Data Bus A)
11. I/O7A (Bidirectional Data Bus A)
12. DIR (Direction Control)
13. I/O7B (Bidirectional Data Bus B)
14. I/O6B (Bidirectional Data Bus B)
15. I/O5B (Bidirectional Data Bus B)
16. I/O4B (Bidirectional Data Bus B)
17. VCC (Supply Voltage)
18. I/O3B (Bidirectional Data Bus B)
19. I/O2B (Bidirectional Data Bus B)
20. GND (Ground)

Functional Features

• Bidirectional data transfer between buses A and B
• Automatic direction control based on the DIR pin
• Voltage level translation between different voltage domains
• Output enable/disable functionality for bus isolation
• High-speed operation for efficient data transfer
• Noise immunity for reliable communication

Advantages and Disadvantages

Advantages

• Enables seamless communication between buses with different voltage levels
• Robust design ensures reliable data transfer in noisy environments
• Low power consumption for energy-efficient operation
• Compact package saves board space

Disadvantages

• Limited to bidirectional data transfer only
• Requires careful consideration of voltage compatibility between buses

Working Principles

The 74ABT648D,602 operates based on the principle of bidirectional data transfer and voltage level translation. It uses internal circuitry to automatically control the direction of data flow between buses A and B based on the DIR pin's state. The integrated circuit ensures efficient and reliable communication by translating voltage levels between different domains.

Detailed Application Field Plans

The 74ABT648D,602 finds applications in various fields where bidirectional data transfer between buses with different voltage levels is required. Some potential application areas include:

1. Industrial Automation: Facilitating communication between control systems operating at different voltage levels.
2. Automotive Electronics: Enabling data exchange between vehicle subsystems with varying voltage requirements.
3. Telecommunications: Supporting interface compatibility between different network equipment.
4. Consumer Electronics: Allowing seamless data transfer between devices with different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC245A: Bidirectional octal bus transceiver with voltage level translation capability.
2. CD4050B: Hex non-inverting buffer with voltage level shifting functionality.
3. MC74VHC245: Octal bus transceiver with high