SN74AHC240DWR

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: High-Speed, Octal Buffer/Line Driver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Buffering and driving signals in digital circuits
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0 V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0 V to 0.1 x VCC
• Maximum Operating Frequency: 50 MHz

Detailed Pin Configuration

The SN74AHC240DWR has a total of 20 pins, which are arranged as follows:

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

Functional Features

• Octal buffer/line driver with 3-state outputs
• Non-inverting outputs
• High-speed operation
• Low power consumption
• Compatible with CMOS and TTL input levels
• Balanced propagation delay and transition times
• Supports mixed-mode voltage operation

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal buffering - Low power consumption helps in reducing overall system power requirements - Compatibility with both CMOS and TTL input levels provides flexibility in circuit design - Balanced propagation delay and transition times ensure reliable signal transmission - Mixed-mode voltage operation enables integration into various digital systems

Disadvantages: - Limited maximum operating frequency of 50 MHz may not be suitable for high-speed applications - Availability of alternative models with additional features or improved specifications might limit the competitiveness of SN74AHC240DWR in certain scenarios

Working Principles

The SN74AHC240DWR is an octal buffer/line driver that operates by receiving input signals on its eight input pins (A1 to A8) and providing buffered output signals on the corresponding eight output pins (Y1 to Y8). The OE (Output Enable) pin controls the output state, allowing the device to be put into a high-impedance state when disabled.

The device operates at high speed and is designed to provide non-inverting outputs. It is compatible with both CMOS and TTL input levels, making it suitable for use in a wide range of digital circuits.

Detailed Application Field Plans

The SN74AHC240DWR can be used in various applications, including but not limited to:

1. Microprocessor-based systems
2. Data communication systems
3. Industrial control systems
4. Automotive electronics
5. Consumer electronics
6. Instrumentation and measurement equipment

Its ability to buffer and drive signals efficiently makes it suitable for applications where signal integrity and reliable data transmission are crucial.

Detailed and Complete Alternative Models

1. SN74AHC240N: DIP (Dual Inline Package) version of the SN74AHC240DWR
2. SN74AHCT240DWR: Similar functionality but operates at a lower voltage range (2 V to 5.5 V)
3. SN74LVC240ADWR: Low-voltage CMOS version with improved power consumption characteristics
4. SN74LVTH240DWR: Low-voltage TTL-compatible version with higher operating frequency (up to 100 MHz)

These alternative models offer different features, package options, or improved specifications, providing users with a wider range of choices based on their specific requirements.

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