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74AHC244PW

Name: 74AHC244PW
Rating: 4.7 (12 reviews)

Buffers & Line Drivers OCTAL BUFFER 3-STATE

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Mfr.부분 #74AHC244PW
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개요

Description

The 74AHC244PW is an octal buffer/driver with three-state outputs, designed for use in digital circuits. It operates with a supply voltage range of 2 to 5.5 volts, making it suitable for both TTL and CMOS logic levels. The device features eight independent outputs that can be enabled or disabled, allowing for versatile data routing in complex systems.
The 74AHC244PW is commonly used in applications requiring signal buffering, level shifting, or when driving high capacitive loads. It has low power consumption and fast switching times, making it ideal for high-speed data processing tasks.
The chip is available in various package types, with the 'PW' suffix indicating a TSSOP (Thin Shrink Small Outline Package) format. Key specifications include a maximum operating frequency of up to 100 MHz and a fan-out of 10, making it a reliable choice for robust electronic designs.
Overall, the 74AHC244PW is a versatile component widely used in computer systems, telecommunications, and instrumentation.

Features

The 74AHC244PW is a high-speed, low-power octal buffer/driver with three-state outputs. Key features include:
1. Logic Family: AHC (Advanced High-Speed CMOS) providing high-speed performance and low power consumption.
2. Voltage Range: Operates from a supply voltage of 2V to 5.5V.
3. Output Drive Current: Capable of driving up to 24mA at 5V.
4. Three-State Outputs: Allows control of output states (active high, active low, or high impedance).
5. Input Compatibility: Accepts standard TTL levels for compatibility with various logic families.
6. Propagation Delay: Fast switching times (typically around 3.5ns at 5V).
7. Package Type: Available in a 20-pin TSSOP (PW) package, suitable for surface mounting.
8. Applications: Ideal for data buffering, signal driving in digital circuits, and fanout expansion.
The 74AHC244PW is suitable for various applications requiring reliable signal integrity and efficient data transfer in electronic designs.

Package

The 74AHC244PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The 74AHC244PW is an octal buffer/driver with three-state outputs, featuring a total of 20 pins. Its primary function is to provide buffering and drive capability for data signals, allowing for higher current drive and improved signal integrity.
Pin Count and Functions:
- 1-8 (A1-A8): Data inputs.
- 9 (GND): Ground.
- 10 (OE): Output enable; active low.
- 11-18 (Y1-Y8): Data outputs.
- 19 (VCC): Positive power supply.
- 20 (NC): No connection.
The device operates with a supply voltage range of 2.0V to 5.5V and is designed for high-speed performance and low power consumption, making it suitable for various digital applications.

Manufacturer

The 74AHC244PW is manufactured by NXP Semiconductors, a global semiconductor company headquartered in Eindhoven, Netherlands. NXP specializes in developing innovative semiconductor solutions for various applications, including automotive, industrial, and IoT (Internet of Things) sectors. The company emerged from the spinoff of Philips Semiconductors and has a strong focus on high-performance analog and mixed-signal devices. NXP is recognized for its commitment to providing high-quality, reliable components that meet the needs of its diverse customer base across multiple industries.

Application

The 74AHC244PW is an octal buffer/driver with 3-state outputs, commonly used in digital circuits for signal buffering, level shifting, and driving capacitive loads. Application areas include data communication, microcontroller interfacing, memory address decoding, and bus switching in computer systems. It is also utilized in automotive electronics, industrial control systems, and consumer electronics, where reliable signal transmission and isolation are essential.

Equivalent

The 74AHC244PW is a high-speed hex buffer/driver with 3-state outputs. Equivalent products include:
1. 74HCT244 - TTL-compatible version.
2. 74AC244 - Faster AC version.
3. 74AS244 - High-speed AS version.
4. 74LVC244 - Low-voltage CMOS version.
Always check datasheets for specific characteristics and pin configurations.