CD74HCT240E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-Speed, CMOS Technology
• Package: DIP (Dual In-line Package)
• Essence: Octal Buffer/Line Driver with 3-State Outputs
• Packaging/Quantity: Tube/25 pieces per tube

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 14 ns (typical)
• Output Current: ±6 mA
• Input Capacitance: 3.5 pF (typical)

Pin Configuration

The CD74HCT240E has a total of 20 pins arranged in a dual in-line package (DIP). The pin configuration is as follows:

+---+--+---+ A1 -|1 +--+ 20|- VCC A2 -|2 19|- B1 A3 -|3 18|- B2 A4 -|4 17|- B3 A5 -|5 16|- B4 A6 -|6 15|- B5 A7 -|7 14|- B6 A8 -|8 13|- B7 GND -|9 12|- B8 OE1 -|10 11|- OE2 +----------+

Functional Features

The CD74HCT240E is an octal buffer/line driver with 3-state outputs. It is designed to be used in high-speed logic applications. The device features non-inverting outputs and can drive up to 6 mA of current. It operates on a supply voltage ranging from 2V to 6V, making it compatible with various digital systems.

Advantages and Disadvantages

Advantages: - High-speed operation - CMOS technology for low power consumption - 3-state outputs allow for bus sharing - Wide operating temperature range

Disadvantages: - Limited output current capacity - Requires external pull-up resistors for proper operation

Working Principles

The CD74HCT240E functions as a buffer/line driver by taking input signals and amplifying them to drive output lines. It uses CMOS technology, which provides high-speed operation and low power consumption. The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication between different components.

Detailed Application Field Plans

The CD74HCT240E is commonly used in various digital systems and applications, including:

1. Microprocessor-based systems
2. Data communication systems
3. Industrial control systems
4. Automotive electronics
5. Consumer electronics

In microprocessor-based systems, the CD74HCT240E can be used to interface between the microprocessor and other peripheral devices. In data communication systems, it can be utilized for signal buffering and line driving. Industrial control systems often require the CD74HCT240E for interfacing between different control modules. In automotive electronics, it can be employed for signal conditioning and level shifting. Lastly, consumer electronics such as TVs, DVD players, and gaming consoles can benefit from the CD74HCT240E for various signal processing tasks.

Detailed and Complete Alternative Models

1. SN74HCT240N - Texas Instruments
2. MC74HCT240AN - ON Semiconductor
3. 74HCT240 - NXP Semiconductors
4. CD74HCT240M - Texas Instruments
5. 74HCT240D - Nexperia

These alternative models offer similar functionality and characteristics to the CD74HCT240E, providing options for different manufacturers and preferences.

In conclusion, the CD74HCT240E is a high-speed octal buffer/line driver IC with 3-state outputs. It is widely used in various digital systems and offers advantages such as high-speed operation, low power consumption, and compatibility with different voltage levels. However, it has limitations in terms of output current capacity and requires external pull-up resistors. The detailed pin configuration, functional features, application field plans, and alternative models provide a comprehensive understanding of this integrated circuit.