74AHC244PW

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74AHC244PW

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Buffers & Line Drivers OCTAL BUFFER 3-STATE

  • HerstellerNexperia

  • Herstellerteil #74AHC244PW

  • Auf Lager11871

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Attribut Wert
StandardPackQty 75

Übersicht

Description

The 74AHC244PW is an octal buffer/line driver with 3-state outputs, part of the advanced high-speed CMOS (AHC) family. It is commonly used in digital circuits for buffering and signal amplification purposes. The device features two groups of four buffers, each controlled by a separate enable pin, allowing for flexible data flow control.
Key features include:
- 3-State Outputs: Allows multiple devices to share the same output line without interference, essential for bus-oriented systems.
- High-Speed Performance: Operates at high frequencies due to advanced CMOS technology, suitable for high-speed data transmission.
- Low Power Consumption: Consumes less power, making it ideal for battery-operated devices.
- Wide Operating Voltage Range: Compatible with various supply voltages, enhancing versatility in different applications.
- Input Tolerance: Can handle input levels higher than the supply voltage.
The 74AHC244PW is used in applications such as memory address drivers, clock drivers, and data distribution networks, where reliable and fast data buffering is required. Its small package size makes it suitable for compact circuit designs.

Equivalent

The 74AHC244PW is an octal buffer/line driver with 3-state outputs. Equivalent products include the SN74AHC244 from Texas Instruments, the MC74VHC244 from ON Semiconductor, and the CD74HCT244 from Texas Instruments. These chips are generally pin-compatible and offer similar functionalities, but it's essential to verify electrical characteristics and package variations to ensure compatibility with specific applications.

Features

The 74AHC244PW is a high-speed CMOS octal buffer/line driver with 3-state outputs, belonging to the 74AHC series. Key features include:
1. High-Speed Performance: Designed for high-speed operation with minimal power consumption, making it suitable for various digital applications.
2. 3-State Outputs: Allows the outputs to be in a high, low, or high-impedance state, enabling multiple devices to share the same output lines without interference.
3. Wide Operating Voltage Range: Functions effectively across a voltage range of 2.0V to 5.5V, providing flexibility for different circuit requirements.
4. Low Power Consumption: Utilizes advanced CMOS technology to ensure low static and dynamic power dissipation.
5. Input Levels: Compatible with TTL voltage levels, enhancing versatility in mixed-voltage system designs.
6. Latch-Up Performance: Offers high latch-up immunity, typically greater than ±300mA, ensuring reliability in harsh environments.
7. Package Options: Available in various packages, including TSSOP, catering to different design constraints and space requirements.
These features make the 74AHC244PW suitable for applications requiring fast signal buffering and driving with minimal power loss.

Pinout

The 74AHC244PW is a 20-pin integrated circuit that functions as an octal buffer/line driver with 3-state outputs. It is designed for use in high-speed memory address drivers, clock drivers, and bus-oriented transmitters and receivers. The device features two groups of four buffers (or drivers), each with its own output enable pin, which allows for individual control of the 3-state outputs.
Here is a brief pin count and function description:
- Pins 1 & 19: Output Enable (1OE, 2OE)
- Pins 2-9 & 11-18: Data Inputs/Outputs (1A1-1A4, 2A1-2A4 and 1Y1-1Y4, 2Y1-2Y4)
- Pin 10: Ground (GND)
- Pin 20: Positive Supply Voltage (VCC)
The 74AHC244PW operates with a supply voltage range from 2V to 5.5V, making it suitable for both standard and low-voltage applications. The 3-state output capability allows for multiple outputs to be connected to a common bus line, providing efficient data handling and transmission within digital systems.

Manufacturer

The 74AHC244PW is manufactured by Nexperia. Nexperia is a global company that specializes in the production of discrete and MOSFET components, as well as analog and logic integrated circuits. Originally part of NXP Semiconductors, Nexperia became an independent company in 2017. The company is headquartered in Nijmegen, Netherlands, and has a strong focus on efficiency and high-volume production, ensuring a robust supply chain to meet global demands. Nexperia's products are widely used in various applications, including automotive, industrial, computing, and consumer electronics. The company is known for its commitment to innovation and quality, providing reliable semiconductor solutions.

Application

The 74AHC244PW is a high-speed CMOS octal buffer/line driver with 3-state outputs, often used in digital electronics. Its application areas include:
1. Data Bus Systems: Acts as an interface for driving data buses in microcontroller and microprocessor systems.
2. Memory Addressing: Facilitates memory address driving and data routing.
3. Signal Isolation: Provides signal buffering and isolation between different parts of a digital system.
4. Level Shifting: Useful in systems requiring voltage level translation.
5. Network Communications: Used in networking equipment to manage signal integrity over longer distances.
6. Peripheral Interfacing: Connects various peripherals in embedded systems.
These roles help in enhancing performance and reliability of digital systems.

Package

The 74AHC244PW is a high-speed CMOS device from the 74AHC series, housed in a TSSOP (Thin Shrink Small Outline Package) package. It features 20 pins and is designed for applications requiring higher-speed operation and lower power consumption.

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