74HC240PW

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74HC240PW

Buffers & Line Drivers OCTAL 3-S BUFFER INV

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Standard Pack Qty 75

Übersicht

Description

The 74HC240PW is a hex buffer/driver integrated circuit (IC) designed for digital logic applications. It features six independent non-inverting buffers/driver circuits, capable of driving high currents to load devices. Operating with a supply voltage range of 2V to 6V, it's part of the 74HC (High-speed CMOS) logic family, ensuring fast switching speeds and low power consumption.
The 74HC240PW has a high output drive capability, typically around 20 mA, making it suitable for interfacing with various components like LEDs, transistors, and other TTL devices. It has three-state outputs, allowing it to connect multiple devices to a common bus without interference.
Pin configuration includes inputs and outputs for each buffer, as well as enable pins that control the output states. Its wide application range includes data routing, signal buffering, and level shifting in digital circuits. The IC is commonly housed in a 20-pin TSSOP or DIP package, making it convenient for both prototyping and production use.

Features

The 74HC240PW is a hex buffer/driver with three-state outputs, designed for high-speed performance and low power consumption. Key features include:
1. Logic Family: 74HC (High-speed CMOS).
2. Hex Buffers: Contains six independent buffer/driver circuits.
3. Three-State Outputs: Outputs can be enabled or disabled for bus-oriented applications.
4. Output Drive Capability: Can drive up to 15mA at high output levels.
5. Wide Supply Voltage Range: Operates typically from 2V to 6V.
6. High-Speed Operation: Switching times can be as low as 15ns at 6V.
7. Noise Margin: Excellent noise immunity with a typical Vn of 0.45V.
8. Low Power Consumption: Suitable for battery-operated devices.
9. Pin Configuration: Available in a 20-pin TSSOP package (PW), making it compact.
10. Applications: Used in data routing, signal buffering, and interfacing between different voltage levels.
These features make the 74HC240PW suitable for various electronic applications, including digital logic circuits and communication systems.

Package

The 74HC240PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is designed for surface mounting and has a thin profile, making it suitable for compact electronic designs.

Pinout

The 74HC240PW is an octal buffer/driver with three-state outputs, designed for CMOS logic levels. It features a total of 20 pins.
Pin Count and Functions:
1. Inputs (A1-A8): Pins 1-8 (A1 to A8) are the data inputs.
2. Output Enable (OE1, OE2): Pins 9 and 10 control the output enable for two groups of four outputs.
3. Outputs (Y1-Y8): Pins 11-18 (Y1 to Y8) are the buffered outputs corresponding to the inputs.
4. GND: Pin 20 is the ground connection.
5. VCC: Pin 19 is the power supply connection.
The 74HC240 can drive larger capacitive loads and provide improved noise immunity compared to standard TTL logic. When enabled, it allows data from the inputs to be output to the corresponding pins, while in three-state mode, the outputs are high-impedance, allowing multiple devices to share the same bus without interference.

Manufacturer

The manufacturer of the 74HC240PW is Nexperia, a semiconductor company that specializes in the production of discrete and logic devices. Nexperia was formed as a spin-off from NXP Semiconductors and has a strong focus on providing high-quality, reliable components for various applications in the automotive, industrial, and consumer electronics sectors. They offer a wide range of products, including standard logic, MOSFETs, diodes, and other semiconductor devices. Nexperia is recognized for its expertise in manufacturing and commitment to innovation in the semiconductor industry.

Application

The 74HC240PW is a hex buffer/driver with three-state outputs, commonly used in digital circuits for signal buffering, driving high capacitive loads, and interfacing between different voltage levels. It is suitable for applications in data communication, bus systems, memory interfacing, and driving LEDs or other output devices. Its three-state capability makes it ideal for multiplexing and demultiplexing tasks in various electronic systems, such as microcontroller and microprocessor environments.

Equivalent

The 74HC240PW is an octal buffer/driver with tri-state outputs. Equivalent products include the 74HCT240 (TTL compatible), 74AC240 (faster CMOS variant), and 74ALS240 (low-power variant). Other options may include devices from similar families, such as the 74LVC240, which operates at lower voltages. Be sure to check specifications for voltage levels and drive capabilities when selecting an equivalent.

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