8-channel non-inverting CMOS buffer/line driver in TSSOP package
Manufacturer： ['ti', 'nxp']
# Introduction to the 74LVC244APWR Product Series
## 1. Overview
The 74LVC244APWR is a member of the low - voltage complementary metal - oxide - semiconductor (LVC) logic family. This product series is designed to provide high - performance, low - power solutions for a wide range of digital logic applications. It is a popular choice among engineers due to its excellent electrical characteristics, compact packaging, and compatibility with various systems.
## 2. Key Features
### 2.1 Low Voltage Operation
The 74LVC244APWR is optimized for operation at low supply voltages, typically ranging from 1.65V to 3.6V. This low - voltage operation makes it suitable for battery - powered devices, where power consumption is a critical factor. By reducing the supply voltage, the power dissipation of the device is significantly decreased, extending the battery life of portable electronics such as smartphones, tablets, and wearable devices.
### 2.2 High - Speed Performance
Despite its low - voltage operation, the 74LVC244APWR offers high - speed signal propagation. It has a fast propagation delay time, which allows for quick data transfer between different components in a digital circuit. This high - speed performance is essential for applications that require real - time data processing, such as high - speed data communication interfaces and high - performance microprocessor systems.
### 2.3 Wide Input Voltage Tolerance
The device has a wide input voltage tolerance, which means it can accept input signals from different voltage levels. It can interface with both 3.3V and 5V logic systems, providing flexibility in system design. This feature is particularly useful when integrating the 74LVC244APWR into existing systems that may have different voltage standards.
### 2.4 Output Drive Capability
The 74LVC244APWR has a strong output drive capability. It can drive capacitive loads up to a certain limit, ensuring reliable signal transmission over long traces on a printed circuit board (PCB). This makes it suitable for applications where the output signals need to be transmitted over a relatively long distance or where multiple loads need to be driven simultaneously.
### 2.5 ESD Protection
The product series is equipped with electrostatic discharge (ESD) protection on all inputs and outputs. This protection helps to prevent damage to the device from static electricity, which is a common problem in electronic manufacturing and handling environments. The ESD protection ensures the reliability and durability of the 74LVC244APWR in various operating conditions.
## 3. Functional Description
### 3.1 Logic Function
The 74LVC244APWR is an octal buffer/line driver with three - state outputs. It consists of eight independent buffers, each capable of driving a single input signal to an output. The three - state outputs can be enabled or disabled using the output enable (OE) pins. When the OE pins are active (low), the outputs follow the corresponding input signals. When the OE pins are inactive (high), the outputs are in a high - impedance state, effectively disconnecting them from the circuit.
### 3.2 Pin Configuration
The 74LVC244APWR is available in a TSSOP (Thin Shrink Small Outline Package) package, which is a surface - mount package with a small footprint. The pin configuration is designed to provide easy connection to other components on the PCB. The input pins are labeled A1 - A8, and the corresponding output pins are labeled Y1 - Y8. The two output enable pins, OE1# and OE2#, are used to control the operation of the outputs.
## 4. Applications
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