Product Overview: SN74AS244ANG4

The SN74AS244ANG4 is a high-performance octal buffer and line driver designed to interface with 8-bit microprocessors and drive bus lines or buffer memory address registers. Manufactured by Texas Instruments, this integrated circuit is part of their Advanced Schottky (AS) logic family, which is renowned for its fast switching speeds and low power consumption.

This device features eight non-inverting buffers with 3-state outputs, making it an ideal choice for driving bus lines or buffering memory address registers. The 3-state outputs ensure that the device can be connected directly to a bus-structured system. They can be placed in a high-impedance state, effectively disconnecting the output from the bus, which allows for multiple devices to share the same bus lines without interference.

Key Features:

• Eight Non-Inverting Buffers with 3-State Outputs
• Designed for 5V V_CC Operation
• High-Drive Outputs (-15 mA I_OH, 64 mA I_OL)
• Typical t_pd of 4.5 ns
• Low Input Current of 1 µA Max
• Clear and Descriptive Function Labeling on the IC
• Industry-Standard 20-Pin DIP Package

The SN74AS244ANG4 is designed for 5V power supply systems and boasts a typical propagation delay (t_pd) of only 4.5 nanoseconds, which ensures high-speed operation that is essential for modern digital systems. Its high-drive outputs can sink and source increased current levels, making it suitable for driving capacitive loads, such as long bus lines, without compromising signal integrity.

With its low input current requirement, this device minimizes the loading effect on upstream circuits, preserving signal quality and reducing power consumption. The SN74AS244ANG4 is housed in a 20-pin dual in-line package (DIP), which is widely used in through-hole PCB designs. The clear function labeling on the IC simplifies the design and troubleshooting processes, making it a user-friendly component for engineers and technicians.

In summary, the SN74AS244ANG4 from Texas Instruments is a reliable and efficient solution for digital systems requiring high-speed, low-power octal buffering and line driving capabilities. Its advanced features and ease of integration make it a valuable component for a wide range of applications in the electronics industry.