Texas Instruments

SN74LVC244APWR

SN74LVC244APWR Description

The SN74LVC244APWR from Texas Instruments is a high-performance, dual 4-bit non-inverting buffer/driver designed for 1.65V to 3.6V voltage operation. Packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) and supplied in Tape & Reel (TR), this logic IC is ideal for surface-mount applications requiring robust signal integrity and low-power consumption. With two independent 4-bit buffers, it provides 24mA output drive (both high and low), making it suitable for driving heavily loaded buses or transmission lines. The device is RoHS3 compliant, REACH unaffected, and features a Moisture Sensitivity Level (MSL) of 1, ensuring reliability in harsh environments.

SN74LVC244APWR Features

• Dual 4-bit buffers with non-inverting logic for signal conditioning.
• Wide operating voltage range (1.65V–3.6V), compatible with LVCMOS/LVTTL standards.
• High output current (24mA sink/source) for driving capacitive loads.
• Low power consumption with CMOS technology, reducing heat dissipation.
• ESD protection exceeding JESD 22 standards, enhancing durability.
• Industrial-grade reliability with MSL 1 (unlimited floor life) and RoHS3 compliance.
• TSSOP-20 package for space-constrained PCB designs.

SN74LVC244APWR Applications

• Bus interface buffering in microcontroller/microprocessor systems.
• Signal isolation in networking equipment (switches, routers).
• Level translation between 1.8V, 2.5V, and 3.3V logic domains.
• Memory address/data line driving in embedded systems.
• Industrial automation for noise immunity in motor control circuits.
• Port expansion in FPGA/CPLD-based designs.

Conclusion of SN74LVC244APWR

The SN74LVC244APWR stands out for its high drive strength, low-voltage operation, and compact footprint, making it a versatile choice for digital signal buffering and level shifting. Its robust ESD protection and industrial compliance ensure reliability in automotive, telecom, and IoT applications. Compared to similar models, it offers better power efficiency and higher output current, ideal for high-speed, noise-sensitive designs. Engineers favor this IC for its balance of performance, cost, and reliability in modern electronics.