SN74LVT244BDW

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SN74LVT244BDW

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IC BUFF NON-INVERT 3.6V 20-SOIC

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規格

屬性 價值
Series 74LVT
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 32mA, 64mA
Voltage - Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Base Product Number 74LVT244

概述

Description

The SN74LVT244BDW is an octal buffer/driver integrated circuit from Texas Instruments, designed for high-performance memory-address driving and bus-oriented applications. It features eight non-inverting buffers with 3-state outputs, allowing it to interface with multiple data buses. The device operates with a supply voltage range of 2.7 V to 3.6 V, making it suitable for low-voltage systems.
Key features include high drive capability, capable of sourcing or sinking up to 32 mA, ensuring robust performance in driving heavy bus loads. It also supports live insertion and withdrawal, which is crucial for hot-swap applications. The 3-state outputs provide the flexibility to connect multiple outputs without interference, controlled via the output enable pins (OE).
The SN74LVT244BDW is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package, ideal for space-constrained applications. Its enhanced design for signal integrity and reduced power consumption makes it a reliable choice for various industrial and consumer electronics applications.

Equivalent

The SN74LVT244BDW is an octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74LVT244 by NXP
2. MC74LVT244 by ON Semiconductor
3. IDT74FCT244T by Integrated Device Technology
4. ACT244 series by various manufacturers (e.g., Fairchild, Texas Instruments)
5. 74HC244 series as a similar function alternative
Ensure to verify electrical characteristics and package types when selecting the exact equivalent.

Features

The SN74LVT244BDW is a high-performance, non-inverting buffer/driver with 3-state outputs designed to improve signal integrity and provide enhanced performance in digital systems. Key features include:
1. High Drive Capability: It can source or sink up to 32 mA, making it suitable for driving heavy loads.
2. 3-State Outputs: Offers the ability to connect multiple outputs directly to a common bus.
3. Supports Mixed-Voltage Operation: Compatible with TTL input levels and 3.3-V output levels.
4. Low Power Consumption: Built with a power-efficient design to minimize energy usage.
5. Overvoltage Tolerance: Inputs are 5-V tolerant, allowing for interfacing with 5-V logic levels.
6. Wide Operating Temperature Range: Suitable for industrial applications, operating from -40°C to 85°C.
7. Latch-Up Performance: Exceeds 100 mA per JESD 78 standards.
8. Package Options: Available in a 20-pin SOIC (DW) package, among others.
9. Enhanced ESD Protection: Ensures robust performance against electrostatic discharge.
These features make the SN74LVT244BDW ideal for use in various applications requiring high-speed and reliable signal transmission.

Pinout

The SN74LVT244BDW is a 20-pin device. It is a non-inverting buffer/driver with 3-state outputs. Specifically, it is part of the 74LVT244 family, which provides improved performance and is designed for driving highly loaded lines. The primary function of this device is to provide isolation and buffering for data lines, making it suitable for driving capacitive or relatively high-impedance loads.
Key features include:
- 3-state outputs for bus-oriented applications, allowing multiple devices to share a common output line.
- Designed to improve performance by reducing signal reflection, noise, and power consumption.
- It can operate from a single 3.3-V power supply, making it compatible with low-voltage systems.
- Provides high drive capability, typically able to source or sink up to 32 mA.
The SN74LVT244BDW is commonly used in applications where signal buffering and isolation are required, such as in memory interfacing, data distribution networks, and other digital systems.

Manufacturer

The SN74LVT244BDW is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components. TI is renowned for its analog and embedded processing products, which are used in various applications, including industrial, automotive, personal electronics, and communications equipment. The company is committed to innovation and is a leader in the semiconductor industry, focusing on developing technologies that make electronics more affordable and accessible.

Application

The SN74LVT244BDW is a non-inverting buffer/driver with 3-state outputs, commonly used in applications requiring signal buffering or driving, such as digital signal interfacing and bus interfacing. It is ideal for increasing signal drive strength, reducing signal reflection, and isolating multiple outputs in digital circuits. Typical use cases include memory address driving, clock distribution, data bus interfacing, and as a buffer in microcontroller or microprocessor designs. Its 3-state outputs make it suitable for applications in which multiple devices share the same data lines, allowing for effective management of data flow in complex digital systems.

Package

The SN74LVT244BDW is a line driver/receiver with 3-state outputs, packaged in a 20-pin SOIC (Small Outline Integrated Circuit) type package. This package is designed for surface mounting on PCBs and is used in various electronic applications to buffer and drive data signals.

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