SN74LS244DWR

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SN74LS244DWR

IC BUF NON-INVERT 5.25V 20SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series 74LS
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 15mA, 24mA
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.295, 7.50mm Width)

概述

Description

The SN74LS244DWR is an octal buffer/driver circuit from Texas Instruments, part of the 74LS (Low Power Schottky) series. It features eight independent buffers/driver channels, which can be used to connect digital circuits and improve signal integrity by isolating different parts of a system. The device operates with a wide input voltage range and is designed for high-speed applications, offering fast switching times and low propagation delays.
It has two active-low output enable inputs, allowing users to control the output state. The SN74LS244DWR is often used in applications like memory drivers, data bus buffering, and signal buffering in microcontroller systems. The package type DWR indicates it comes in a 20-pin Shrink Small Outline Package (SSOP), making it suitable for compact designs.
Key specifications include a supply voltage of 4.75V to 5.25V and a maximum output drive of 20mA. The device is popular for its reliability and ease of integration into various digital circuits.

Features

The SN74LS244DWR is an octal buffer/driver designed for high-speed operations with low power consumption. Key features include:
1. Octal Configuration: Contains eight independent buffer/driver circuits, allowing for multiple data lines to be driven simultaneously.
2. TTL Compatible: Compatible with TTL logic levels, making it suitable for integration in various digital circuits.
3. High-Speed Operation: Provides fast switching times, typically around 10 ns, facilitating high-frequency applications.
4. Low Power Dissipation: Operates with reduced power consumption, enhancing energy efficiency in designs.
5. Three-State Outputs: Features three-state outputs, enabling bus-oriented applications and reducing conflicts on shared data lines.
6. Wide Supply Voltage Range: Operates within a supply voltage range of 4.75V to 5.25V.
7. Temperature Range: Suitable for commercial temperature ranges (0°C to 70°C).
These features make the SN74LS244DWR ideal for use in data buffering, signal isolation, and fan-out applications in digital systems.

Package

The SN74LS244DWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 20-lead configuration.

Manufacturer

The SN74LS244DWR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in the design and manufacturing of semiconductors, integrated circuits, and various electronic components. The company is well-known for its developments in analog and digital signal processing, microcontrollers, and processors. TI also plays a significant role in education technology, particularly with its calculators and educational software. With a strong emphasis on innovation, Texas Instruments serves a wide range of industries, including automotive, consumer electronics, industrial, and communications, making it a key player in the global electronics market.

Application

The SN74LS244DWR is an octal buffer/driver with three-state outputs, commonly used in digital circuits for signal buffering, data line isolation, and driving high capacitance loads. Its applications include interfacing between different voltage levels, enhancing signal integrity in data buses, and implementing memory address decoding in microprocessor systems. It is also utilized in communication systems and automation circuits for reliable data transmission.

Equivalent

Equivalent products to the SN74LS244DWR include the 74HC244, 74HCT244, 74ALS244, and 74F244. These options generally provide similar functionality as octal buffers/drivers with tri-state outputs, though they may differ in voltage levels, speed, and power consumption. Always verify specific requirements for compatibility in your application.

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