SN74AHCT244DWR

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SN74AHCT244DWR

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IC BUF NON-INVERT 5.5V 20SOIC

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
Series 74AHCT
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 8mA, 8mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

Übersicht

Description

The SN74AHCT244DWR is a high-speed CMOS octal buffer/driver with 3-state outputs, designed for environments requiring fast data buffering and signal driving capabilities. Part of the 74AHCT logic family, this device operates with a supply voltage range of 4.5V to 5.5V, making it suitable for TTL-level input compatibility.
Key features include:
1. Octal Configuration: Consists of eight independent buffer/driver circuits.
2. 3-State Outputs: Allows multiple outputs to connect to a common bus line without interference.
3. High-Speed Operation: Provides fast switching characteristics essential for high-speed data transfer applications.
4. Low Power Consumption: CMOS technology ensures low static power dissipation.
5. Robust Design: Offers high drive capability and improved noise immunity.
The SN74AHCT244DWR is ideal for applications such as memory addressing, bus driving, and data transmission in computing and communication systems. It is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package, facilitating easy integration into circuit boards. Its reliability and performance make it a versatile choice for designers needing efficient signal buffering and driving solutions.

Equivalent

The SN74AHCT244DWR is an octal buffer/line driver with 3-state outputs. Equivalent products include the 74AHCT244 from manufacturers like Nexperia, ON Semiconductor, and Fairchild Semiconductor. Additionally, the CD74ACT244 from Texas Instruments and the MC74ACT244 from ON Semiconductor can also serve as alternatives, as they offer similar functionalities and electrical characteristics. Always verify the specific features and package compatibility when selecting an equivalent.

Features

The SN74AHCT244DWR is an octal buffer/driver with 3-state outputs, designed for enhanced performance in both speed and power efficiency. Key features include:
1. High-Speed Operation: It delivers fast signal processing with a typical propagation delay.
2. Wide Operating Voltage Range: The device operates at a voltage range of 4.5V to 5.5V.
3. 3-State Outputs: Allows for direct connection to data buses and minimizes bus loading.
4. High Current Drive: Capable of sourcing or sinking up to 8mA, making it suitable for driving LED displays or other high-current loads.
5. Low Power Consumption: Features reduced power consumption, making it suitable for battery-powered applications.
6. TTL-Compatible Inputs: Inputs are compatible with TTL logic levels, ensuring easy interfacing with a variety of digital circuits.
7. Wide Temperature Range: The device operates efficiently over a wide industrial temperature range.
These features make the SN74AHCT244DWR suitable for applications requiring buffer/line driver functions, such as data communication and high-speed digital interfaces.

Pinout

The SN74AHCT244DWR is a 20-pin integrated circuit designed as an octal buffer/driver with 3-state outputs. It is part of the 74AHCT series from Texas Instruments. The device's primary function is to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
The pin count and functions are as follows:
- Pin 1, 19: 1OE and 2OE respectively, Output Enable inputs for the two groups of buffers.
- Pins 2-9: 1A1 to 1A4 and 2A1 to 2A4, Data inputs for the buffers.
- Pins 11-18: 1Y1 to 1Y4 and 2Y1 to 2Y4, the 3-state output pins.
- Pin 10: GND, Ground.
- Pin 20: VCC, Supply Voltage.
The device operates with TTL logic levels and is designed to drive high-capacitive loads while minimizing power consumption. It is especially suitable for driving bus lines, and its high-impedance state feature allows for multiple connections to a single bus line.

Manufacturer

The SN74AHCT244DWR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is one of the largest semiconductor manufacturers in the world, and its products are widely used in electronic devices across various industries, including automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation and development in analog and embedded processing technologies.

Application

The SN74AHCT244DWR is a type of octal buffer/driver with 3-state outputs, commonly used in digital electronics. Its application areas include:
1. Bus Driving: Enhances signal integrity for data transfer across buses.
2. Signal Buffering: Prevents signal degradation over long distances or through complex circuits.
3. Level Shifting: Converts voltage levels between different parts of a system.
4. Address/Data Multiplexing: Separates address and data signals in microcontroller or microprocessor systems.
5. Clock Driver: Distributes clock signals without distortion.
6. Interfacing: Connects devices operating at different voltage levels or logic families.
These applications are common in computing, telecommunications, and consumer electronics, aiding in reliable signal transmission and interfacing.

Package

The SN74AHCT244DWR is a Texas Instruments octal buffer/driver with 3-state outputs and is housed in a SOIC (Small Outline Integrated Circuit) package. The specific package type for this part is "DWR," which indicates a 20-pin wide body SOIC package.

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