SN74HCT240DWR

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SN74HCT240DWR

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IC BUFFER INVERT 5.5V 20SOIC

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規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74HCT
ProductStatus Active
LogicType Buffer, Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 6mA, 6mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

概述

Description

The SN74HCT240DWR is an integrated circuit produced by Texas Instruments. It is a high-speed CMOS logic device designed for use in a wide range of digital applications. Specifically, it functions as an octal buffer/driver with three-state outputs, meaning that it can provide eight independent buffer/driver circuits and has the capability to place its outputs in a high-impedance state.
Key features of the SN74HCT240DWR include:
1. Octal Configuration: It consists of eight buffer/driver circuits, making it suitable for managing multiple data lines.

2. Three-State Outputs: This allows the outputs to be in a high, low, or high-impedance state, providing flexibility in circuit design, especially for interfacing with buses or multiplexed data lines.
3. TTL-Compatible Inputs: The device is compatible with standard TTL logic levels, allowing for easy integration with other TTL devices.
4. Power Supply Range: It operates typically from a 4.5V to 5.5V power supply, making it suitable for use in 5V systems.
The SN74HCT240DWR is commonly used in applications requiring signal buffering and isolation, such as data buses and memory address drivers.

Equivalent

The SN74HCT240DWR is a Texas Instruments octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74HCT240 - Nexperia/ON Semiconductor/Fairchild
2. MC74HCT240A - ON Semiconductor
3. CD74HCT240 - Texas Instruments
4. TC74HCT240 - Toshiba
These ICs share similar logic family characteristics and functionalities, making them suitable substitutes in most applications. Always check datasheets for compatibility in terms of electrical characteristics and package type.

Features

The SN74HCT240DWR is a high-speed CMOS logic device featuring an octal buffer/driver with 3-state outputs. Here are its key features:
1. 8-Bit Buffer/Driver: It consists of eight independent buffer/driver circuits.
2. 3-State Outputs: Allows the device outputs to be in a high-impedance state, facilitating the connection of multiple devices on a single line without interference.
3. Inverting Functionality: Each buffer/driver inverts the input signal.
4. High-Speed CMOS: Operates with low power consumption while maintaining fast switching speeds.
5. Compatible Voltage Levels: Works with both TTL and CMOS logic levels, making it versatile for various applications.
6. Wide Supply Voltage Range: Operates typically between 4.5V to 5.5V.
7. Low Power Consumption: Typical power dissipation is minimal, contributing to efficient operation.
8. Input Clamping Diodes: Provides protection against electrostatic discharge.
9. Temperature Range: Usually specified for operation within a standard commercial temperature range.
10. Surface Mount Package: Available in a SOIC-20 package, convenient for modern PCB design and automated assembly.
These features make it suitable for buffering data and control signals in computing and communication systems.

Pinout

The SN74HCT240DWR is an integrated circuit from the 74HCT series, which is a family of high-speed CMOS logic devices. This particular IC is a 20-pin dual in-line package (DIP).
The SN74HCT240DWR functions as an octal buffer/line driver with 3-state outputs. It is designed to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device features two 4-bit sections with separate output-enable controls, providing flexibility in data handling.
Key functions include:
- Buffering: Amplifies input signals and drives the output with high current capability.
- Inverting: Inverts the input signals to produce the opposite logic level at the output.
- 3-State Outputs: Allows the outputs to be in one of three states—high, low, or high-impedance, enabling multiple devices to connect to a common bus without interference.
The 20 pins include power supply (V_CC), ground (GND), input and output pins, and control pins for enabling or disabling the outputs.

Manufacturer

The SN74HCT240DWR is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of electronic components, including integrated circuits and semiconductor solutions. TI serves various industries such as automotive, industrial, consumer electronics, communications equipment, and more. The company specializes in developing analog and embedded processing products, which are critical for various electronic systems and devices. Texas Instruments is recognized for its innovation and contributions to the advancement of technology across multiple applications.

Application

The SN74HCT240DWR is a high-speed CMOS logic octal buffer/driver with 3-state outputs. It is commonly used in applications requiring signal buffering, level shifting, and driving capacitive loads. Typical uses include digital signal interfacing, memory address driving, bus-oriented systems, and enhancing signal integrity over long traces. The device is suitable for applications in computing, telecommunications, consumer electronics, and industrial control systems where efficient data transfer and isolation between different logic levels are needed. Its ability to operate in both inverting and non-inverting modes makes it versatile for various circuit designs.

Package

The SN74HCT240DWR is a 20-pin SOIC (Small Outline Integrated Circuit) package. It is a surface-mount device used for digital logic applications, specifically as an octal buffer/driver with 3-state outputs.

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