MC3459P

Overview

The MC3459P is a quad NMOS memory address driver manufactured by Motorola. It features a 14-pin DIP package and operates within a temperature range of 0°C to 70°C. Designed for high-speed driving of highly capacitive loads, this bipolar logic circuit provides four independent elements, each handling one bit per element output. The device is optimized for applications requiring robust signal integrity in memory addressing systems.

Feature Summary

• Quad configuration providing four independent address driver elements
• Optimized for high-speed operation with highly capacitive loads
• NMOS technology ensuring reliable performance in memory circuits

Applications

• High-speed memory address buffering
• Capacitive load driving in digital systems
• Memory subsystem interface circuits

Procurement Notes

Verify the specific manufacturer source, as original Motorola components may be obsolete or available only through authorized distributors or surplus channels. Confirm the package type matches the required 14-DIP specification and ensure the operating temperature range meets system requirements. Check for authenticity markers to avoid counterfeit parts, especially given the age of the component series.

Selection Notes

Select this component when a quad address driver with high capacitive load capability is required. Ensure the design supports bipolar logic levels and fits within the specified commercial temperature range. Consider pin compatibility if replacing older designs, noting the 14-DIP footprint constraints.

Part Context

This part belongs to Motorola's legacy line of bipolar logic integrated circuits. It serves as a specialized buffer for memory systems, distinct from standard logic gates by its focus on driving heavy capacitive loads associated with address buses. The MC3459 series was widely used in vintage computing and industrial control hardware.

Replacement Considerations

Direct substitutes may include other quad address drivers from the same era, such as the MC3459A variant if electrical characteristics align. Verify pinout compatibility before substitution, as minor differences in internal architecture can affect performance in high-speed applications.