STMicroelectronics 74VHC16244 - 16-Bit Buffer/Line Driver

The 74VHC16244 from STMicroelectronics is a high-speed CMOS device that serves as a 16-bit buffer/line driver designed to provide high-performance bus interface for wide data/address paths or buses carrying parity. It incorporates advanced silicon-gate CMOS technology to achieve operating speeds similar to LSTTL, with the low power consumption of standard CMOS integrated circuits.

This versatile device features 16 non-inverting buffers/line drivers with 3-state outputs that can be employed independently or in groups. The 3-state outputs are controlled by two output enable (OE) inputs, which when high, put the output into a high impedance state. This is particularly useful for interfacing with bus lines in a system, allowing multiple devices to share the same bus without interference.

The 74VHC16244 is organized as two 8-bit buffers/line drivers with separate OE inputs for each section. This organization allows for flexible use in various applications, such as driving bus lines or buffering memory address registers. The device supports a wide operating voltage range from 2V to 5.5V, making it suitable for interfacing with both 3.3V and 5V logic levels.

Key features of the 74VHC16244 include:

• High-speed: t<sub>PD 4.8 ns (typ.) at V<sub>CC = 5V
• Low power dissipation: I<sub>CC = 4 μA (max.) at T<sub>A = 25°C
• Power down protection is provided on all inputs and outputs
• Pin and function compatible with 74 series logic
• Multiple package options available for design flexibility

The device is fabricated with sub-micron silicon gate and double-layer metal wiring C<sub>2MOS technology, which contributes to its reliable high-speed performance. It is also characterized for operation from -40°C to +85°C, ensuring robust performance in a wide range of environmental conditions.

With its combination of speed, low power, and robust protection features, the 74VHC16244 is an excellent choice for use in high-performance computing, telecommunications, and industrial applications, where reliable and efficient bus interfacing is critical.

STMicroelectronics provides detailed datasheets and technical support to ensure seamless integration of the 74VHC16244 into your electronic designs.