Product Overview: SN74AHCT244QPWR by Texas Instruments

The SN74AHCT244QPWR from Texas Instruments is a high-performance, octal buffer and line driver designed to facilitate the transfer of signals between mismatched voltage domains. This integrated circuit is part of the 'AHCT' family, which is known for its advanced high-speed CMOS technology. The device features eight non-inverting buffers with 3-state outputs, making it an ideal choice for driving bus lines or buffering memory address registers.

This particular model, housed in a TSSOP (Thin Shrink Small Outline Package) with 20 pins, provides a compact footprint while offering robust performance. It operates over a broad V<sub>CC range of 4.5V to 5.5V, which allows it to interface with 5V systems while maintaining the speed of CMOS technology. The SN74AHCT244QPWR is also characterized for operation from -40°C to 85°C, ensuring reliability in a wide range of environmental conditions.

Key Features:

• Eight non-inverting buffers with 3-state outputs
• Operational voltage range: 4.5V to 5.5V
• Supports mixed-mode voltage operation on all ports
• IOFF and power-up 3-state support to avoid damaging current backflow
• Low power consumption with ICC of 20 µA max
• Latch-up performance exceeds 250 mA per JESD 17
• ESD protection exceeds JESD 22

Applications:

The SN74AHCT244QPWR is versatile and can be used in various applications. It is particularly useful in interfacing with peripheral devices in microprocessor systems, where signal integrity and strength are crucial. It is also suitable for driving bus lines in computing and telecommunications systems due to its high-drive outputs. Furthermore, its 3-state outputs make it an excellent choice for multiplexing and for implementing memory address drivers, clock drivers, and bus-oriented receivers and transmitters in a wide array of electronic systems.

Quality and Support:

Texas Instruments is renowned for its commitment to quality, and the SN74AHCT244QPWR is no exception. Customers can expect reliable performance and consistency across batches. TI also provides comprehensive technical support and resources, including datasheets, reference designs, and application notes to assist designers in integrating this device into their projects seamlessly.