Product Overview: SN74LVC244APWT from Texas Instruments

The SN74LVC244APWT is a high-performance, octal buffer/line driver from Texas Instruments designed to operate from 1.65 V to 3.6 V. This makes it suitable for interfacing with 3.3 V and 2.5 V components in mixed voltage systems. The device is part of the LVC family, which is known for its low-voltage operation and low power consumption.

Key Features

• Wide Operating Voltage Range: The SN74LVC244APWT is versatile with a wide range of operating voltages from 1.65 V to 3.6 V, making it compatible with various logic levels.
• High Drive: It can drive up to 24 mA at the outputs, providing good signal integrity on loaded buses.
• Low Power Consumption: The device features a low power consumption, with a typical ICC of only 0.8 µA, which is ideal for power-sensitive applications.
• Bus Hold Data Inputs: It includes a bus hold feature that retains the inputs’ last state whenever the input goes to high impedance, preventing floating inputs and reducing the need for external pull-up/pull-down resistors.
• Inputs Accept Voltages up to 5.5V: This allows for direct interfacing with 5V logic levels without damage.
• Flow-Through Architecture: The design of the SN74LVC244APWT optimizes the PCB layout.
• ESD Protection: It features robust ESD protection, ensuring reliability and longevity in harsh environments.

Applications

The SN74LVC244APWT is used in a wide array of applications, including:

• Bus transceiver operations in mixed 3.3 V/5 V systems
• Memory drivers, clock drivers, and bidirectional communication interfaces
• Level shifting operations for interfacing with different logic levels
• Signal buffering for data transmission lines

Product Packaging

This device is offered in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, under the ordering code SN74LVC244APWT. The package is designed for space-saving on PCBs and is suitable for automated surface-mount assembly processes.

For detailed specifications, application circuits, and additional information, it is recommended to consult the datasheet provided by Texas Instruments.