74H08PC

Overview

The 74H08PC is a quad 2-input AND gate integrated circuit manufactured by National Semiconductor. It belongs to the 74H series of high-speed TTL logic devices. The component features four independent AND gates within a single package, providing versatile digital logic functionality. It operates within an ambient temperature range of 0°C to 70°C and draws a maximum quiescent current of 64 mA. The device is designed for through-hole mounting in a standard 14-pin dual in-line package (PDIP) with a width of 0.300 inches (7.62 mm).

Feature Summary

• Contains four independent 2-input AND logic gates for complex digital signal processing.
• Utilizes high-speed TTL technology for rapid switching performance.
• Designed for robust operation in commercial temperature environments.

Applications

• Digital logic circuit design requiring multiple AND operations.
• Data routing and selection circuits in electronic systems.
• Control logic interfaces in industrial equipment.

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets are now managed by Texas Instruments or Rochester Electronics. Confirm the package style matches the required 14-DIP footprint. Ensure the voltage supply levels align with standard TTL requirements. Check for any specific handling precautions associated with older semiconductor manufacturing processes.

Selection Notes

Select this component when high-speed TTL performance is required over lower-power CMOS alternatives. Consider the 14-DIP package constraints for PCB layout. Evaluate power consumption against system thermal limits due to the higher quiescent current typical of H-series TTL logic compared to HC or HCT variants.

Part Context

This part is part of the widely adopted 74xx series of logic ICs, specifically the H (High-speed) variant. It serves as a fundamental building block for digital electronics, offering standardized pinouts and electrical characteristics compatible with other devices in the same logic family.

Replacement Considerations

Direct substitutes include the MM74H08PC from Motorola/Freescale/ON Semiconductor. Verify pin compatibility and electrical specifications before swapping manufacturers.