Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74LVC |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 1.65V ~ 3.6V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Обзор
Description
The SN74LVC244APWR is an octal buffer/driver with 3-state outputs, commonly used in digital circuits to manage multiple data lines. It is part of Texas Instruments' LVC family, designed to work with a wide range of power supply voltages from 1.65 V to 3.6 V, making it suitable for both 3.3 V and 5 V systems. The device is particularly useful in applications requiring a buffer to increase signal integrity or drive capability over longer distances or multiple loads.
Key features include:
- Eight independent buffers in a single package.
- High-speed CMOS technology for fast signal propagation.
- 3-state outputs, allowing for direct bus line connection and minimizing bus loading conflicts.
- Low power consumption with a typical quiescent current of just a few microamperes.
- High noise immunity due to Schmitt-trigger input design.
The SN74LVC244APWR is often used in memory arrays, microcontroller interfacing, and data communication systems. Its small footprint and high performance make it suitable for compact and efficient designs.
Key features include:
- Eight independent buffers in a single package.
- High-speed CMOS technology for fast signal propagation.
- 3-state outputs, allowing for direct bus line connection and minimizing bus loading conflicts.
- Low power consumption with a typical quiescent current of just a few microamperes.
- High noise immunity due to Schmitt-trigger input design.
The SN74LVC244APWR is often used in memory arrays, microcontroller interfacing, and data communication systems. Its small footprint and high performance make it suitable for compact and efficient designs.
Equivalent
Equivalent products for the SN74LVC244APWR, an octal buffer/driver with 3-state outputs, include:
1. 74LCX244 - by ON Semiconductor.
2. 74HCT244 - by Nexperia.
3. MC74VHC244 - by ON Semiconductor.
4. SN74AHC244 - by Texas Instruments.
5. 74HC244 - by Nexperia or Texas Instruments.
These alternatives offer similar functionalities but check datasheets for specific electrical characteristics and packaging to ensure compatibility with your application.
1. 74LCX244 - by ON Semiconductor.
2. 74HCT244 - by Nexperia.
3. MC74VHC244 - by ON Semiconductor.
4. SN74AHC244 - by Texas Instruments.
5. 74HC244 - by Nexperia or Texas Instruments.
These alternatives offer similar functionalities but check datasheets for specific electrical characteristics and packaging to ensure compatibility with your application.
Features
The SN74LVC244APWR is an octal buffer and line driver with 3-state outputs. Key features include:
1. High-Speed Operation: It supports a wide operating voltage range from 1.65 V to 3.6 V, making it suitable for low-voltage applications while offering high-speed data transfer.
2. 3-State Outputs: This device features output enable control, allowing the outputs to be disabled to prevent bus contention.
3. Low Power Consumption: Designed with low power consumption in mind, it has reduced power usage compared to traditional buffers.
4. Drive Capability: It provides a high drive capability, able to drive up to 24 mA current at 3.3 V, which is ideal for driving loads.
5. TTL-Compatible Inputs: The inputs are compatible with TTL levels, facilitating easier integration with various logic levels.
6. Robust Design: It offers over-voltage tolerant inputs, enhancing durability and reliability in various environments.
These features make the SN74LVC244APWR suitable for buffering and driving multiple loads in digital circuits, particularly in applications needing efficient data management and low power consumption.
1. High-Speed Operation: It supports a wide operating voltage range from 1.65 V to 3.6 V, making it suitable for low-voltage applications while offering high-speed data transfer.
2. 3-State Outputs: This device features output enable control, allowing the outputs to be disabled to prevent bus contention.
3. Low Power Consumption: Designed with low power consumption in mind, it has reduced power usage compared to traditional buffers.
4. Drive Capability: It provides a high drive capability, able to drive up to 24 mA current at 3.3 V, which is ideal for driving loads.
5. TTL-Compatible Inputs: The inputs are compatible with TTL levels, facilitating easier integration with various logic levels.
6. Robust Design: It offers over-voltage tolerant inputs, enhancing durability and reliability in various environments.
These features make the SN74LVC244APWR suitable for buffering and driving multiple loads in digital circuits, particularly in applications needing efficient data management and low power consumption.
Pinout
The SN74LVC244APWR is a 20-pin integrated circuit from Texas Instruments. It is an octal buffer/driver with 3-state outputs, which means it has eight buffer/driver circuits within the chip. Its primary function is to provide buffering and signal driving capabilities for a wide range of digital applications, allowing for the control of data flow and isolation of different sections of a circuit.
Key features include:
- Pin Count: 20 pins.
- Function: Octal buffer/driver with 3-state outputs.
- Voltage Range: Operates with a supply voltage range of 1.65 V to 3.6 V.
- 3-State Control: Allows for outputs to be in one of three states: high, low, or high-impedance (hi-Z), which is useful for bus-oriented applications.
- Drive Capability: Can drive up to 24 mA at 3.3 V.
The chip is commonly used in signal buffering, line driving, and logic level shifting applications, offering efficient isolation and driving capabilities for multiple signals.
Key features include:
- Pin Count: 20 pins.
- Function: Octal buffer/driver with 3-state outputs.
- Voltage Range: Operates with a supply voltage range of 1.65 V to 3.6 V.
- 3-State Control: Allows for outputs to be in one of three states: high, low, or high-impedance (hi-Z), which is useful for bus-oriented applications.
- Drive Capability: Can drive up to 24 mA at 3.3 V.
The chip is commonly used in signal buffering, line driving, and logic level shifting applications, offering efficient isolation and driving capabilities for multiple signals.
Manufacturer
The manufacturer of the SN74LVC244APWR is Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest producers of semiconductors globally, with a particular focus on analog chips and embedded processors, which are essential components in a wide range of electronic devices.
Founded in 1930 and headquartered in Dallas, Texas, TI is renowned for its innovation in the electronics industry, providing solutions across sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company has a robust portfolio of products that include amplifiers, data converters, sensors, microcontrollers, wireless connectivity solutions, and more. TI is committed to advancing semiconductor technology and delivering high-quality, reliable products to its customers worldwide.
Founded in 1930 and headquartered in Dallas, Texas, TI is renowned for its innovation in the electronics industry, providing solutions across sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company has a robust portfolio of products that include amplifiers, data converters, sensors, microcontrollers, wireless connectivity solutions, and more. TI is committed to advancing semiconductor technology and delivering high-quality, reliable products to its customers worldwide.
Application
The SN74LVC244APWR is an octal buffer/driver with 3-state outputs, commonly used in various digital applications. Its application areas include:
1. Bus Interface: Acts as a buffer between two buses, enhancing signal integrity and preventing loading issues.
2. Data Communication: Used in communication systems for data buffering and signal amplification.
3. Microcontroller Interfacing: Connects microcontrollers to peripherals by providing necessary voltage level translation.
4. Memory Module Interfacing: Facilitates the connection between processors and memory modules.
5. Signal Isolation: Isolates different parts of a circuit to prevent interference and improve performance.
Its low voltage operation and high drive capability make it suitable for modern low-power digital systems.
1. Bus Interface: Acts as a buffer between two buses, enhancing signal integrity and preventing loading issues.
2. Data Communication: Used in communication systems for data buffering and signal amplification.
3. Microcontroller Interfacing: Connects microcontrollers to peripherals by providing necessary voltage level translation.
4. Memory Module Interfacing: Facilitates the connection between processors and memory modules.
5. Signal Isolation: Isolates different parts of a circuit to prevent interference and improve performance.
Its low voltage operation and high drive capability make it suitable for modern low-power digital systems.
Package
The SN74LVC244APWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is designed for surface-mount applications, providing a compact and efficient solution for buffering and driving data.