Encyclopedia Entry: 74VHC240MTC

Product Overview

Category

The 74VHC240MTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of VHC series logic gates.

Use

This product is commonly used in digital electronic circuits for signal processing and logic operations. It serves as an octal buffer/line driver with 3-state outputs.

Characteristics

• High-speed operation: The 74VHC240MTC offers fast switching speeds, making it suitable for applications requiring quick response times.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a voltage range of 2V to 5.5V, providing flexibility in various circuit designs.
• 3-state outputs: The 74VHC240MTC features 3-state outputs, allowing multiple devices to share a common bus without interference.

Package and Quantity

The 74VHC240MTC is available in a small outline surface-mount package (TSSOP-20). Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 7 ns
• Maximum Quiescent Current: 4 μA

Pin Configuration

The 74VHC240MTC has a total of 20 pins, which are assigned specific functions as follows:

1. A1: Input A1
2. Y1: Output Y1
3. A2: Input A2
4. Y2: Output Y2
5. GND: Ground
6. A3: Input A3
7. Y3: Output Y3
8. A4: Input A4
9. Y4: Output Y4
10. OE: Output Enable
11. Y5: Output Y5
12. A5: Input A5
13. Y6: Output Y6
14. A6: Input A6
15. Y7: Output Y7
16. VCC: Supply Voltage
17. A7: Input A7
18. Y8: Output Y8
19. A8: Input A8
20. GND: Ground

Functional Features

The 74VHC240MTC acts as a buffer and line driver, providing signal amplification and isolation between different sections of a digital circuit. It offers 3-state outputs, allowing the device to be effectively disconnected from the bus when not in use.

Advantages

• High-speed operation enables efficient signal processing.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows for versatile circuit designs.
• 3-state outputs facilitate bus sharing without interference.

Disadvantages

• The 74VHC240MTC may not be suitable for applications requiring extremely high-speed operations beyond its specified limits.
• Limited pin count may restrict its use in complex circuits with numerous inputs and outputs.

Working Principles

The 74VHC240MTC operates based on CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes transistors to amplify and control the flow of signals, ensuring proper logic operations within a digital circuit.

Application Field Plans

The 74VHC240MTC finds extensive application in various fields, including: 1. Microprocessor-based systems 2. Data communication networks 3. Industrial automation 4. Consumer electronics 5. Automotive electronics

Alternative Models

For those seeking alternative options, the following ICs can be considered: 1. 74HC240: Similar functionality but operates at a higher voltage range (2V to 6V). 2. 74LS240: Offers comparable features but operates at a lower speed compared to the 74VHC240MTC. 3. SN74LV240A: Low-voltage version with similar characteristics.

In conclusion, the 74VHC240MTC is a versatile integrated circuit that serves as an octal buffer/line driver. Its high-speed operation, low power consumption, and 3-state outputs make it suitable for various digital electronic applications.