Texas Instruments

SN74HC244AN

SN74HC244AN Description

The SN74HC244AN from Texas Instruments is a high-performance non-inverting octal buffer and line driver designed for bus interface applications. Housed in a 20-pin DIP (Dual In-line Package), this IC operates within a 2V to 6V supply voltage range, making it compatible with both 3.3V and 5V systems. It features two independent 4-bit buffers (2 elements) with 3-state outputs, enabling efficient data flow control in bidirectional communication systems. The device is RoHS3 compliant and adheres to REACH and ECCN (EAR99) regulations, ensuring environmental and export compliance.

SN74HC244AN Features

• High-Speed CMOS Technology: Ensures low power consumption while maintaining high noise immunity.
• Balanced Output Drive: 7.8mA source/sink current capability per channel, ideal for driving capacitive loads.
• 3-State Outputs: Allows multiple devices to share a common bus without interference.
• Wide Operating Voltage (2V–6V): Supports mixed-voltage system designs.
• Robust Packaging: Through-hole mounting (DIP) ensures durability in industrial environments.
• Non-Inverting Logic: Preserves signal integrity, simplifying circuit design.
• MSL (Moisture Sensitivity Level): Rated as Not Applicable, suitable for non-surface-mount applications.

SN74HC244AN Applications

• Bus Buffering: Isolates and drives data lines in microprocessor/microcontroller systems.
• Memory Interfaces: Enhances signal integrity in SRAM/DRAM address/data buses.
• Industrial Control Systems: Used in PLC I/O modules for reliable signal conditioning.
• Automotive Electronics: Suitable for CAN/LIN bus drivers due to its noise immunity.
• Test & Measurement Equipment: Acts as a level shifter for mixed-voltage test setups.

Conclusion of SN74HC244AN

The SN74HC244AN stands out for its versatility, robustness, and compliance with modern environmental standards. Its high drive capability, 3-state outputs, and wide voltage range make it a preferred choice for digital interfacing, buffering, and bus driving applications. Engineers favor this IC for its reliability in harsh environments and seamless integration into industrial, automotive, and embedded systems. For designs requiring non-inverting buffers with strong output drive, the SN74HC244AN delivers optimal performance and longevity.