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CD74HCT240E

8-ch, 4.5-V to 5.5-V inverters with TTL-compatible CMOS inputs and 3-state outputs

Quantity Unit Price(USD) Ext. Price
1 $0.363 $0.36
200 $0.141 $28.20
500 $0.136 $68.00
1000 $0.133 $133.00

Inventory:6,741

*The price is for reference only.
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Overview of CD74HCT240E

The CD74HCT240E is an octal buffer/line driver IC featuring 3-state outputs. It is designed to provide high-speed buffering and line driving capabilities in digital systems, offering flexibility in controlling signal flow.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • GND: Ground pin
  • OE: Output enable input
  • A1-A8: Data inputs
  • Y1-Y8: Buffered outputs
  • VCC: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the CD74HCT240E IC for a visual representation.

Key Features

  • Octal Buffer/Line Driver: Provides eight buffering and line driving channels for signal transmission.
  • 3-State Outputs: Offers the ability to tristate the outputs, allowing for bus sharing and multi-device connectivity.
  • High-Speed Operation: The CD74HCT240E operates at high speed, suitable for demanding digital applications.
  • Wide Operating Voltage Range: Supports a wide voltage range of 4.5V to 5.5V, ensuring compatibility with different systems.
  • Enhanced ESD Protection: Includes built-in ESD protection for improved reliability in various environments.

Note: For detailed technical specifications, please refer to the CD74HCT240E datasheet.

Application

  • Signal Routing: Ideal for routing signals between various components in digital circuits.
  • Bus Interface: Suitable for creating bus interfaces in microprocessor systems and digital communication networks.
  • Data Multiplexing: Used for data multiplexing and distribution in complex digital systems.

Functionality

The CD74HCT240E serves as an efficient octal buffer and line driver, enabling the seamless transfer of signals between different parts of a digital system. It enhances signal integrity and provides robust signal management capabilities.

Usage Guide

  • Power Supply: Connect VCC (Pin 20) to the positive supply voltage and GND (Pin 10) to ground.
  • Input Connections: Apply data signals to the input pins (A1-A8) for buffering and line driving.
  • Output Control: Use the OE (Pin 1) input to enable or disable the outputs as needed.

Frequently Asked Questions

Q: Can the CD74HCT240E operate at higher frequencies?
A: The CD74HCT240E is designed for high-speed operation within its specified frequency range. For higher frequency requirements, consider specialized ICs with faster performance.

Q: Is the CD74HCT240E compatible with 5V systems?
A: Yes, the CD74HCT240E is compatible with 5V systems and offers reliable performance within the specified voltage range.

Equivalent

For similar functionalities, consider these alternatives to the CD74HCT240E:

  • SN74HCT240N: A pin-compatible octal buffer/line driver IC offering similar features to the CD74HCT240E.
  • 74LS240: This is a TTL octal inverter/buffer IC that can function as a substitute for the CD74HCT240E in certain applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Technology family HCT Supply voltage (min) (V) 4.5
Supply voltage (max) (V) 5.5 Number of channels 8
IOL (max) (mA) 6 IOH (max) (mA) -6
Supply current (max) (µA) 160 Input type TTL-Compatible CMOS
Output type 3-State Features Balanced outputs, High speed (tpd 10-50ns), Input clamp diode
Rating Catalog Operating temperature range (°C) -55 to 125

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CD74HCT240E

8-ch, 4.5-V to 5.5-V inverters with TTL-compatible CMOS inputs and 3-state outputs

Inventory:

6,741