Encyclopedia Entry: 74ABT2240PW,118

Product Overview

Category

The 74ABT2240PW,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series logic devices.

Use

This product is commonly used in digital electronic systems for signal amplification, buffering, and switching purposes. It serves as a non-inverting octal buffer/line driver with 3-state outputs.

Characteristics

• Non-inverting buffer/line driver
• 3-state outputs
• Octal configuration
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package and Quantity

The 74ABT2240PW,118 is available in a small-outline package (SO) with 20 pins. It is typically sold in reels or tubes containing multiple units, with a standard quantity of 2500 pieces per reel.

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 Time: 4.5ns (max)
• Output Current: ±24mA

Pin Configuration

The 74ABT2240PW,118 has a total of 20 pins, which are assigned specific functions as follows:

1. GND: Ground
2. A1: Input A1
3. Y1: Output Y1
4. A2: Input A2
5. Y2: Output Y2
6. A3: Input A3
7. Y3: Output Y3
8. A4: Input A4
9. Y4: Output Y4
10. A5: Input A5
11. Y5: Output Y5
12. A6: Input A6
13. Y6: Output Y6
14. A7: Input A7
15. Y7: Output Y7
16. OE: Output Enable
17. Y8: Output Y8
18. VCC: Supply Voltage
19. GND: Ground
20. NC: No Connection

Functional Features

The 74ABT2240PW,118 offers the following functional features:

• Non-inverting buffer operation: The input signal is reproduced at the output without any inversion.
• 3-state outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share a common bus.
• High-speed operation: The device operates at a fast speed, making it suitable for time-critical applications.
• Low power consumption: The IC consumes minimal power, contributing to energy-efficient designs.
• Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various system configurations.

Advantages and Disadvantages

Advantages

• Non-inverting buffer preserves signal integrity.
• 3-state outputs enable efficient bus sharing.
• High-speed operation allows for quick data transmission.
• Low power consumption reduces energy requirements.
• Wide operating voltage range enhances compatibility.

Disadvantages

• Limited number of inputs and outputs (octal configuration).
• Requires careful handling due to its small size and delicate pins.
• Not suitable for applications requiring higher current capabilities.

Working Principles

The 74ABT2240PW,118 functions as a non-inverting octal buffer/line driver by amplifying and buffering digital signals. When the output enable (OE) pin is active, the input signals are replicated at the corresponding outputs. In the disabled state, the outputs enter a high-impedance state, allowing other devices to control the bus.

Application Field Plans

The 74ABT2240PW,118 finds applications in various digital electronic systems, including:

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

Alternative Models

Alternative models that can be considered as substitutes for the 74ABT2240PW,118 include:

1. SN74ABT2240A by Texas Instruments
2. MC74ABT2240 by ON Semiconductor
3. CD74ABT2240 by Texas Instruments
4. 74ACT240 by Fairchild Semiconductor
5. 74HCT240 by NXP Semiconductors

These alternative models offer similar functionality and can be used interchangeably based on specific design requirements.

In conclusion, the 74ABT2240PW,118 is a non-inverting octal buffer/line driver integrated circuit with 3-state outputs. It offers high-speed operation, low power consumption, and wide voltage range compatibility. With its various applications and alternative models available, it serves as a