SN74ABT2244AN

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74ABT2244AN is a high-speed octal buffer and line driver with 3-state outputs. It is designed to drive heavily loaded clock and data buses, while providing minimal propagation delay and high output drive capability.

Characteristics: - High-speed operation - 3-state outputs for bus-oriented applications - Low power consumption - Wide operating voltage range - ESD protection on all inputs and outputs

Package: DIP (Dual In-line Package)

Essence: The SN74ABT2244AN is an essential component in digital systems where buffering and driving of signals is required. It ensures reliable and efficient communication between different parts of the system.

Packaging/Quantity: The SN74ABT2244AN is typically packaged in tubes or trays, containing 25 pieces per tube/tray.

Specifications

• Supply Voltage Range: 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
• Propagation Delay: 2.8ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74ABT2244AN has a total of 20 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input/Output)
3. B1 (Input/Output)
4. Y1 (Output)
5. A2 (Input/Output)
6. B2 (Input/Output)
7. Y2 (Output)
8. A3 (Input/Output)
9. B3 (Input/Output)
10. Y3 (Output)
11. A4 (Input/Output)
12. B4 (Input/Output)
13. Y4 (Output)
14. VCC (Supply Voltage)
15. OE (Output Enable)
16. Y5 (Output)
17. A5 (Input/Output)
18. B5 (Input/Output)
19. Y6 (Output)
20. GND (Ground)

Functional Features

• Octal buffer and line driver
• 3-state outputs for bus-oriented applications
• High-speed operation for efficient data transfer
• ESD protection on all inputs and outputs for enhanced reliability
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - High-speed operation allows for fast data transfer - 3-state outputs enable bus sharing and reduce conflicts - Wide operating voltage range provides flexibility in different systems - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited output drive capability may not be suitable for driving heavily loaded buses - DIP package may require additional space compared to surface mount packages

Working Principles

The SN74ABT2244AN operates by receiving input signals on its A1-A8 and B1-B8 pins. These signals are then buffered and amplified internally before being driven to the corresponding Y1-Y8 output pins. The OE (Output Enable) pin controls the 3-state outputs, allowing them to be enabled or disabled as needed.

Detailed Application Field Plans

The SN74ABT2244AN is commonly used in various digital systems, including:

1. Microprocessors and microcontrollers
2. Memory systems
3. Data communication equipment
4. Industrial automation systems
5. Automotive electronics

In these applications, the SN74ABT2244AN ensures reliable signal buffering and driving, facilitating smooth communication between different components of the system.

Detailed and Complete Alternative Models

1. SN74ABT2244A: Similar to SN74ABT2244AN, but with a different package (SOIC).
2. SN74ABT2244ADW: Octal buffer and line driver with 3-state outputs, available in SOIC package.
3. SN74ABT2244ADB: Octal buffer and line driver with 3-state outputs, available in SSOP package.

These alternative models offer similar functionality to the SN74ABT2244AN, but with different packaging options to suit specific application requirements.

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