STMicroelectronics M74HCT244TTR Octal Buffer/Line Driver

The M74HCT244TTR from STMicroelectronics is a high-performance, octal buffer and line driver designed to interface with 5V systems while maintaining the speed and power consumption of CMOS technology. This integrated circuit is part of the HCT (High-speed CMOS, TTL compatible) family, offering a robust solution for driving bus lines or buffering memory address registers.

Key Features

• Logic Type: The device provides an octal non-inverting buffer/line driver with 3-state outputs, ensuring versatility in a wide range of applications.
• High-Speed: With its CMOS technology, the M74HCT244TTR offers the high-speed operation typically associated with LSTTL combined with the low power consumption of CMOS integrated circuits.
• Power Down Protection: Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of Vcc.
• Compatibility: Input levels are TTL voltage compatible, making this device suitable for interfacing with traditional TTL logic levels.
• 3-State Outputs: The octal buffers have 3-state outputs which can be put in a high impedance state, effectively disconnecting the output from the circuit. This feature is particularly useful in multiplexed applications.

Applications

The M74HCT244TTR is ideal for a variety of applications, including:

• Driving bus lines or buffer memory address registers with high capacitance
• Interface between different voltage levels within a system
• Serving as a line driver for data transmission under high noise conditions

Package and Quality

The device is available in a TSSOP (Thin Shrink Small Outline Package) 20-pin package, which is ideal for space-constrained applications. The product is supplied in tape and reel packaging, facilitating efficient handling and manufacturing processes. STMicroelectronics ensures high reliability and performance, adhering to stringent quality control measures and industry standards.

With its combination of speed, power efficiency, and robustness, the M74HCT244TTR octal buffer/line driver is a versatile component suitable for enhancing signal integrity in complex digital systems.