SN74LS244NSR

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SN74LS244NSR

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IC BUFFER NON-INVERT 5.25V 20SO

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規格

屬性 價值
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 (0.209, 5.30mm Width)

概述

Description

The SN74LS244NSR is an octal buffer/line driver with 3-state outputs designed by Texas Instruments. It features eight independent buffer gates with 3-state output capability, allowing for high-speed data transmission and isolation between components in digital circuits. This component is widely used to drive bus lines or buffer memory address registers.
Key features include:
- 3-State Outputs: These help in reducing bus contention by allowing outputs to be in a high, low, or high-impedance state.
- TTL Compatibility: Compatible with TTL logic levels, making it suitable for direct interface with TTL-based systems.
- High Fan-Out: Each output can drive multiple TTL loads.
- Low Power Consumption: The LS series is designed for reduced power usage compared to other logic families.
The SN74LS244NSR is commonly used in computing and data communication applications where data integrity and signal strength are critical. Its robust design, coupled with the ability to efficiently manage multiple signals, makes it a valuable component in complex digital systems.

Equivalent

The SN74LS244NSR is an octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74HC244 by NXP or Texas Instruments
2. 74HCT244 by NXP or Texas Instruments
3. CD74ACT244 by Texas Instruments
4. MC74F244 by ON Semiconductor
5. 74ALS244 by Nexperia
These equivalents can vary slightly in terms of electrical characteristics, so it's important to check the datasheets for compatibility in your specific application.

Features

The SN74LS244NSR is an octal buffer/line driver with 3-state outputs, designed for high-performance memory and bus interface applications. Key features include:
1. High-Impedance State: The device has 3-state outputs, allowing for easy interfacing with bus-oriented systems by avoiding bus contention.
2. Low Power Consumption: The LS series logic is designed to minimize power usage, making it suitable for a variety of applications.
3. High-Speed Operation: Offers fast switching speeds, essential for high-performance systems.
4. Wide Operating Voltage: Compatible with a range of power supply voltages, typically around 5V.
5. Input and Output Compatibility: TTL-compatible inputs and outputs ensure easy interfacing with other TTL devices.
6. Pin Configuration: Features a standard 20-pin SOIC (Small Outline Integrated Circuit) package for easy integration onto PCBs.
7. Operating Temperature Range: Designed to function reliably over a broad temperature range.
These features make the SN74LS244NSR suitable for driving capacitive loads and interfacing between different logic levels in computing and communication systems.

Pinout

The SN74LS244NSR is an octal buffer/line driver with 3-state outputs, commonly used in digital circuits to drive bus lines or buffer memory address registers. It has a pin count of 20 pins in a small outline integrated circuit (SOIC) package. The key functions and pin configuration are as follows:
- Power Supply and Ground: VCC (pin 20) and GND (pin 10).
- Inputs: The device has 8 data inputs (A1-A8) spread across 8 pins, which are used to receive data that will be outputted.
- Outputs: It has 8 corresponding outputs (Y1-Y8) that deliver the buffered output, controlled by the state of the input and enable pins.
- Enable Pins: The device features two 3-state output enable pins, 1G (pin 1) and 2G (pin 19), which control the first four and the last four outputs, respectively. When the enable pin is low, the corresponding outputs are active, and when high, the outputs are in a high-impedance state.
This configuration allows the SN74LS244NSR to efficiently manage and buffer data in a circuit.

Manufacturer

The SN74LS244NSR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas, USA. Founded in 1930, TI is one of the largest companies in the semiconductor industry. It develops analog and embedded processing chips, which are used in a wide array of electronic devices across various industries, including automotive, consumer electronics, industrial, and communications equipment. The company is known for its innovation and investment in research and development, focusing on creating high-performance, reliable, and energy-efficient products.

Application

The SN74LS244NSR is an octal buffer/line driver designed for use in digital circuits. Its application areas include:
1. Data Bus Driving: Used to drive data buses in microprocessor systems, ensuring strong signal integrity over longer distances.
2. Signal Amplification: Amplifies weak signals to maintain data integrity across system components.
3. Isolation: Provides electrical isolation between different parts of a circuit to prevent interference.
4. Logic Level Shifting: Facilitates communication between devices operating at different logic levels.
5. Switching Applications: Utilized in switching applications to manage multiple data lines.
Overall, it enhances signal quality and manages data flow in digital systems.

Package

The SN74LS244NSR is a 20-pin SO (Small Outline) package type. It is a surface-mount device commonly used for its compact form factor, suitable for space-constrained applications.

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