Encyclopedia Entry: 74ABT2244CMTC

Product Overview

Category

The 74ABT2244CMTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series.

Use

This IC is commonly used as a buffer/line driver in various digital applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• Output capability: ±24 mA
• ESD protection: HBM JESD22-A114E exceeds 2000 V

Package

The 74ABT2244CMTC is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this IC lies in its ability to provide buffering and line driving functions, ensuring reliable signal transmission between different components in a digital circuit.

Packaging/Quantity

The 74ABT2244CMTC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 4.5 V to 5.5 V
• Input voltage range: 0 V to VCC
• Operating temperature range: -40°C to +85°C
• Propagation delay time: 3.8 ns (max)
• Output current: ±24 mA

Detailed Pin Configuration

The 74ABT2244CMTC has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Y1
2. Pin 2: Output Y2
3. Pin 3: GND (Ground)
4. Pin 4: Input A1
5. Pin 5: Input A2
6. Pin 6: Input A3
7. Pin 7: Input A4
8. Pin 8: GND (Ground)
9. Pin 9: Output Y3
10. Pin 10: Output Y4
11. Pin 11: Output Y5
12. Pin 12: Output Y6
13. Pin 13: VCC (Supply Voltage)
14. Pin 14: Output Y7
15. Pin 15: Output Y8
16. Pin 16: Input OE (Output Enable)
17. Pin 17: Input B1
18. Pin 18: Input B2
19. Pin 19: Input B3
20. Pin 20: Input B4

Functional Features

• Buffering: The IC acts as a buffer, ensuring signal integrity and preventing degradation during transmission.
• Line Driving: It provides sufficient driving capability to ensure reliable signal propagation across different components or subsystems.
• Schmitt-trigger Inputs: These inputs enhance noise immunity by providing hysteresis and reducing the impact of signal fluctuations.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption helps in reducing overall energy usage.
• Wide operating voltage range enables compatibility with various systems.
• Schmitt-trigger inputs provide excellent noise immunity.
• ESD protection ensures robustness against electrostatic discharges.

Disadvantages

• Limited output current may restrict its use in certain high-power applications.
• The TSSOP package may require careful handling during assembly to avoid damage.

Working Principles

The 74ABT2244CMTC operates based on the principles of digital logic. It receives input signals from the A and B pins, which are then buffered and amplified before being transmitted to the corresponding Y pins. The OE pin controls the output enable/disable functionality, allowing for selective activation of the outputs.

Detailed Application Field Plans

The 74ABT2244CMTC finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Memory interfaces - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ABT2244CMTC include: - 74HC244: A CMOS logic IC with comparable characteristics. - SN74LS244: A TTL logic IC with similar buffering capabilities. - CD74ACT244: An advanced CMOS IC with enhanced performance.

These alternative models can be considered based on specific application requirements and compatibility with existing designs.

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