ON Semiconductor MC74VHC244MELG Octal Buffer/Line Driver

The MC74VHC244MELG from ON Semiconductor is a high-performance, octal buffer/line driver designed to offer both high-speed operation and the capability to drive heavy loads. This integrated circuit is a member of the VHC family of products, which are known for their high noise immunity and low power consumption, making it an excellent choice for interfacing with high-speed logic systems.

This device features eight non-inverting buffers with 3-state outputs. It is suitable for driving bus lines or buffer memory address registers, thanks to its high drive current and robust output performance. The 3-state outputs ensure that multiple MC74VHC244MELG devices can be connected to the same bus, allowing for bus arbitration and data multiplexing with ease.

With an operating voltage range of 2V to 5.5V, the MC74VHC244MELG is versatile and can be used in various logic level environments. Its low voltage operation makes it compatible with TTL levels, while its high-speed performance is comparable to CMOS levels. The device also boasts a balanced propagation delay and transition times, which are crucial for maintaining signal integrity in high-speed data communication.

The MC74VHC244MELG comes in a 20-lead SOIC package, ensuring a compact footprint for space-constrained applications. It is also characterized for operation from -55°C to +125°C, making it suitable for industrial and automotive environments that require reliable performance under extreme conditions.

Key features of the MC74VHC244MELG include:

• High-speed: t<sub>PD 4.6 ns (typ) at V<sub>CC = 5V
• Low power dissipation: I<sub>CC = 4 μA (max) at T<sub>A = 25°C
• High noise immunity: V<sub>NIH = V<sub>NIL = 28% V<sub>CC (min)
• Power down protection provided on inputs and outputs
• Pin and function compatible with other standard logic families
• Lead-free, RoHS compliant

Whether you're designing a complex digital system or simply need a reliable buffer/line driver, the MC74VHC244MELG from ON Semiconductor is a dependable choice that offers both high performance and durability.