SN74LVC2244ADBQR

The SN74LVC2244ADBQR is a high-speed, low-voltage CMOS buffer/driver designed by Texas Instruments. It is part of the LVC family of devices, which are known for their low power consumption and high-speed performance. Here’s a detailed description of its features and specifications:

General Description:

The SN74LVC2244ADBQR is a dual buffer/driver that can be used to drive high capacitive loads while maintaining signal integrity. It is designed to operate with a supply voltage range of 1.65V to 5.5V, making it suitable for a variety of applications, including battery-powered devices and low-voltage systems.

Key Features:

• Dual Buffer/Driver Configuration: The device contains two independent buffers/drivers, allowing for versatile signal routing and amplification.
• High-Speed Operation: It can achieve propagation delays as low as 3.5 ns at 3.3V, making it suitable for high-speed digital applications.
• Low Power Consumption: The device operates with a low quiescent current, which is beneficial for power-sensitive applications.
• Wide Supply Voltage Range: It supports a supply voltage range from 1.65V to 5.5V, allowing it to interface with various logic families.
• 3-State Outputs: The outputs can be placed in a high-impedance state, which is useful for bus-oriented applications where multiple devices share the same output line.
• Input Voltage Levels: The inputs are compatible with standard TTL and CMOS logic levels, ensuring broad compatibility with other devices.
• ESD Protection: The device includes built-in electrostatic discharge (ESD) protection, enhancing its reliability in various environments.

Pin Configuration:

The SN74LVC2244ADBQR is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) package, which is compact and suitable for space-constrained applications. The pins are arranged to facilitate easy integration into circuit boards.

Applications:

• Signal Buffering: Ideal for buffering signals in digital circuits to drive capacitive loads.
• Level Shifting: Can be used to interface between different voltage levels in mixed-voltage systems.
• Data Communication: Suitable for use in communication interfaces where signal integrity is critical.
• Consumer Electronics: Commonly found in devices such as smartphones, tablets, and other portable electronics.

Electrical Characteristics:

• Operating Temperature Range: Typically from -40°C to +125°C, making it suitable for industrial applications.
• Output Drive Capability: Capable of driving loads up to 24 mA, which is sufficient for most digital applications.

Conclusion:

The SN74LVC2244ADBQR from Texas Instruments is a versatile and efficient buffer/driver that meets the demands of modern digital circuits. Its combination of high-speed performance, low power consumption, and wide voltage compatibility makes it an excellent choice for a variety of applications in consumer electronics, industrial systems, and communication devices.