74HC240D

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74HC240D

IC BUFFER INVERT 6V 20SOIC

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사양

Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Buffer, Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

개요

Description

The 74HC240D is a high-speed CMOS hex buffer/driver with three-state outputs, designed for use in digital circuits. It features six independent buffers, each capable of driving up to 15 loads. The device operates on a wide voltage range of 2V to 6V and offers a fast switching speed, making it suitable for high-performance applications.
The 74HC240D has two active low enables (G1 and G2), which allow users to control the output state—either driving the outputs high or low, or putting them in a high-impedance state. This makes the device ideal for bus-oriented systems where multiple drivers may share the same output lines.
Applications include data routing, signal buffering, and driving capacitive loads in microcontroller and microprocessor interfacing. The package typically comes in a DIP, SOIC, or TSSOP format for easy integration into various circuit designs. Overall, the 74HC240D is an essential component for enhancing signal integrity in digital systems.

Features

The 74HC240D is a high-speed CMOS octal buffer/driver that offers several key features:
1. Functionality: It provides eight independent buffers/driver circuits, capable of driving high capacitance loads.

2. Output Configuration: Features three-state outputs, allowing for easy bus-oriented applications by enabling or disabling the outputs.
3. Logic Family: Part of the 74HC series, it operates at high-speed and low power consumption, making it suitable for modern digital circuits.
4. Voltage Range: It supports a wide operating voltage range from 2V to 6V.
5. High Drive Capability: Outputs can drive loads of up to 15mA, making it suitable for interfacing with high-capacitance loads.
6. Input Compatibility: Accepts standard TTL input levels, ensuring compatibility with TTL logic devices.
7. Propagation Delay: Offers low propagation delays, enhancing the performance in high-speed applications.
8. Pin Count: Available in a 20-pin dual in-line package (DIP) configuration, facilitating easy integration into circuits.
These features make the 74HC240D ideal for applications requiring reliable signal buffering and driving capabilities.

Package

The 74HC240D is typically packaged in a Dual In-line Package (DIP) format, specifically a 20-pin DIP. It can also be found in surface-mount packages like SOIC or TSSOP, but the "D" designation generally refers to the DIP version.

Pinout

The 74HC240D is an octal buffer/driver with three-state outputs. It has a total of 20 pins. Here’s a concise breakdown of its pin configuration and functions:
- Inputs (A1-A8): Pins 2-9 are data inputs for the eight channels.
- Outputs (Y1-Y8): Pins 11-18 are the corresponding outputs for the data inputs.
- Enable Inputs (G1, G2A, G2B): Pins 1, 10, and 19 control the output enable functions. When enabled, the inputs are passed to the outputs; when disabled, the outputs are in a high-impedance state.
- VCC (Power Supply): Pin 20 connects to the positive power supply (typically +2V to +6V).
- GND (Ground): Pin 10 connects to the ground.
This device is commonly used in applications requiring data buffering or isolation, providing increased drive capability for signals in digital circuits.

Manufacturer

The 74HC240D is a product manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of analog and digital electronic components, including integrated circuits (ICs), microcontrollers, and embedded processors. Founded in 1930 and headquartered in Dallas, Texas, TI serves various industries such as automotive, industrial, and consumer electronics. The 74HC240D is a hex buffer/driver that is commonly used in digital circuits for signal buffering and driving capabilities. TI is known for its innovation and quality in the semiconductor sector, making it a prominent player in the global electronics market.

Application

The 74HC240D is a hex buffer/driver with three-state outputs suitable for various applications, including data buffering, signal conditioning, and interfacing between different logic families. Commonly used in bus-oriented systems, it enhances signal integrity in high-speed data transmission and can drive capacitive loads. It is ideal for applications in communication systems, computer peripherals, and industrial control systems where isolation and signal strength are crucial.

Equivalent

The 74HC240D chip is a hex buffer/driver with tri-state outputs. Equivalent products include:
1. 74HCT240
2. 74ACT240
3. 74LS240
4. 74F240
These variants may have different voltage levels or speed specifications, so ensure compatibility with your specific application requirements.

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