SN74HC240DWR

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SN74HC240DWR

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IC BUFFER INVERTING 6V 20-SOIC

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規格

屬性 價值
Series 74HC
Part Status Active
Logic Type Buffer, Inverting
Number of Elements 2
Number of Bits per Element 4
Output Type 3-State
Current - Output High, Low 7.8mA, 7.8mA
Voltage - Supply 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Base Product Number 74HC240

概述

Description

The SN74HC240DWR is a high-speed CMOS logic device from Texas Instruments, part of the SN74HC series. It is an octal buffer/driver with 3-state outputs, designed to provide signal amplification and buffering in digital systems. The IC features two enable inputs, allowing for flexible control of the data flow, and is organized as two 4-bit buffers with output inversion capabilities.
Key features include:
- High-Speed Operation: Fast switching speeds suitable for high-performance applications.
- 3-State Outputs: Provides the ability to disconnect the inputs from the outputs, facilitating bus-oriented applications.
- Wide Operating Voltage: Works efficiently across a range of voltages, typically from 2V to 6V.
- Low Power Consumption: CMOS technology ensures minimal power usage, making it suitable for battery-powered devices.
- Noise Immunity: Offers good noise margin, enhancing reliability in digital circuits.
The SN74HC240DWR is typically used in applications requiring signal buffering, level shifting, or driving capacitive loads, and is packaged in a 20-pin SOIC. It is well-suited for various applications in consumer electronics, computing, and communication devices.

Equivalent

The SN74HC240DWR is an octal buffer/line driver with 3-state outputs. Equivalent products include:
1. 74HC240 from manufacturers like NXP, ON Semiconductor, and STMicroelectronics.
2. CD74HC240 from Texas Instruments.
3. MC74HC240 from ON Semiconductor.
These alternatives share similar functionality, pin configuration, and logic family as the SN74HC240DWR. Always verify specific electrical characteristics and package compatibility for direct substitution.

Features

The SN74HC240DWR is an octal buffer/driver with 3-state outputs, primarily used for driving bus lines or buffer memory address registers. Key features include:
1. High-speed CMOS technology: Ensures fast performance with low power consumption.
2. Wide supply voltage range: Operates from 2V to 6V, providing flexibility for different applications.
3. 3-state outputs: Allows multiple devices to be connected to a common bus without interference.
4. Input protection: Features protection against static discharge and transient excess voltages.
5. High current drive capability: Provides strong output currents, suitable for driving LEDs or other loads.
6. Output enable inputs: Includes enable pins for easy control of output states.
7. Pin and function compatible with other standard 240 devices: Ensures compatibility and ease of integration into existing systems.
8. Wide operating temperature range: Suitable for industrial applications, typically -40°C to 85°C.
These features make the SN74HC240DWR efficient for buffering and driving applications in various electronic circuits.

Pinout

The SN74HC240DWR is a 20-pin integrated circuit from the 74HC series, which is a high-speed CMOS logic family. It is an octal buffer/driver with 3-state outputs, designed to drive the bus lines or buffer memory address registers. The device features two enable inputs, each controlling four buffers, offering flexibility in its operation.
Key functions:
1. Octal Buffer: It provides eight buffer gates, which can be used to drive high-capacitance loads or buffer memory address registers.
2. 3-State Outputs: The outputs can be in one of three states: high, low, or high-impedance, controlled by the enable inputs. This feature allows for multiplexing by sharing common output lines.
3. Inverting Outputs: The SN74HC240DWR provides inverted outputs, meaning the output signals are the logical complement of the input signals.
This combination of features makes the SN74HC240DWR suitable for a variety of applications that require buffered and inverted signal outputs with the ability to control the output state, such as data bus interfacing and memory address buffering.

Manufacturer

The SN74HC240DWR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of semiconductor products, including integrated circuits (ICs) used in various electronics applications. The company specializes in analog chips and embedded processors, which are integral to a wide array of electronic devices. Texas Instruments serves multiple industries, including consumer electronics, automotive, industrial, and communications, making it a key player in the electronics and semiconductor industry.

Application

The SN74HC240DWR is an octal buffer/driver with 3-state outputs, commonly used in applications requiring controlled data flow and signal isolation. Its primary application areas include:
1. Bus Systems: Facilitates bidirectional data communication between microcontrollers and peripheral devices.
2. Signal Amplification: Enhances driving capability for connecting to high-capacitance loads.
3. Level Shifting: Converts signal levels between different voltage domains.
4. Memory Addressing: Supports addressing in memory modules for efficient data access.
5. Data Synchronization: Ensures data integrity in synchronous data transfer systems.
6. Peripheral Interfacing: Bridges communication between different digital components within a circuit.
These applications leverage the device’s high-speed CMOS technology, low power consumption, and robust drive capabilities.

Package

The SN74HC240DWR is a type of integrated circuit that comes in a SOIC (Small Outline Integrated Circuit) package. Specifically, it is in a 20-pin SOIC (DW) package, which is designed for surface mounting on printed circuit boards.

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