SN74LV244ADWR

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SN74LV244ADWR

+BOM

IC BUFF NON-INVERT 5.5V 20-SOIC

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Specifications

Attribute Value
Series 74LV
Part Status Active
Logic Type Buffer, Non-Inverting
Number of Elements 2
Number of Bits per Element 4
Output Type 3-State
Current - Output High, Low 16mA, 16mA
Voltage - Supply 2V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Base Product Number 74LV244

Overview

Description

The SN74LV244ADWR is a member of the 74LV244 series, which are octal buffers and line drivers with 3-state outputs. This particular model is designed for low-voltage digital logic applications. It operates within a voltage range of 2V to 5.5V, making it suitable for both 3.3V and 5V systems. The device incorporates two separate 4-bit sections, each with separate enable pins, allowing for flexibility in data management.
The SN74LV244ADWR is known for its high-speed operation while maintaining low power consumption. Its 3-state outputs are capable of driving capacitive loads, ideal for interfacing with bus-oriented systems. The device features input and output diode clamps to protect against electrostatic discharge (ESD). Packaged in a 20-pin SOIC (Small Outline Integrated Circuit), it is suitable for surface-mount applications.
Typical applications include memory address driving, data bus interfacing, and signal buffering in various electronic systems. Its reliability and efficiency make it a popular choice in digital signal processing and embedded systems.

Equivalent

The SN74LV244ADWR is a line driver/receiver with 3-state outputs. Equivalent products include:
1. 74HC244: From various manufacturers like NXP, ON Semiconductor, etc.
2. 74AHC244: Available from Texas Instruments, Nexperia, etc.
3. 74LVC244: Offered by companies such as NXP and ON Semiconductor.
4. SN74HC244: A compatible product from Texas Instruments.
5. MC74HC244: From ON Semiconductor.
These alternatives may have slight variations in performance and specifications, so always check compatibility with your specific requirements.

Features

The SN74LV244ADWR is a 3-state octal buffer/driver with the following features:
1. Wide Operating Voltage Range: It operates from 2 V to 5.5 V, making it suitable for a variety of applications.

2. High-Speed Operation: The device is designed for high-speed data transmission.
3. Low Power Consumption: Features a low power dissipation with a typical ICC of 8 µA.
4. High Drive Capability: It can drive up to 24 mA outputs at 3.3 V and 15 mA at 5 V, accommodating various load requirements.
5. 3-State Outputs: Provides a high-impedance state for bus-oriented applications.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels for easy integration.
7. Balanced Propagation Delays: Offers consistent performance with reduced signal distortion.
8. Latch-Up Performance: Exceeds 250 mA per JESD 17, ensuring reliability under stress.
9. ESD Protection: Provides protection against electrostatic discharge.
These features make the SN74LV244ADWR ideal for buffering and driving signals in digital circuits, enhancing signal integrity and system performance.

Pinout

The SN74LV244ADWR is a part of the SN74LV244A series, which is an octal buffer/driver with 3-state outputs. It typically comes in a 20-pin SOIC (Small Outline Integrated Circuit) package.
The primary function of this device is to act as a non-inverting buffer/driver, which is used to increase drive capability and reduce signal degradation. It features eight independent buffers/drivers with 3-state outputs that can drive high capacitive loads or be used for bus interfacing.
Here's a concise summary of its pin configuration:
1. Pins 1, 10: 3-state control inputs (1OE and 2OE)
2. Pins 2-9: Data inputs (1A1 to 1A4, 2A1 to 2A4)
3. Pins 11-18: Data outputs (1Y1 to 1Y4, 2Y1 to 2Y4)
4. Pin 19: Ground (GND)
5. Pin 20: VCC (supply voltage)
The device operates over a wide range of voltages and is commonly used in digital circuits for buffering and driving purposes.

Manufacturer

The SN74LV244ADWR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are a significant player in the electronics industry, known for producing a wide range of semiconductor products used in electronic devices across various sectors, including consumer electronics, automotive, communications, and industrial applications. TI's products include analog chips, digital signal processors, microcontrollers, and other types of semiconductor devices. The company is recognized for its innovation and leadership in the semiconductor market, continuously contributing to advancements in technology and electronics.

Application

The SN74LV244ADWR is a non-inverting buffer/driver with tri-state outputs, commonly used in digital circuits to enhance signal integrity and drive capability. Key application areas include:
1. Bus Interface: Facilitates communication between different parts of a system, ensuring signal strength across longer distances.
2. Signal Isolation: Provides isolation between different system components to prevent interference.
3. Data Distribution: Distributes signals to multiple destinations without significant loss.
4. Level Shifting: Can be used for shifting signal levels between different voltage domains.
5. LED Driving: Suitable for driving LED displays by providing the necessary current.
6. Memory Address Driving: Enhances signal integrity for memory accesses in computing systems.
These applications leverage its ability to handle multiple input/output lines with high-speed performance.

Package

The SN74LV244ADWR is a line driver/buffer with 3-state outputs from Texas Instruments. It comes in a SOIC (Surface-Mount Small Outline Integrated Circuit) package with 20 pins, specifically designated as "DW" in its ordering code, suitable for applications requiring compact, surface-mount solutions.

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