MM74HCT08N

Inverter Gates Overview

The MM74HCT08N is a quad 2-input AND gate integrated circuit manufactured by Fairchild Semiconductor. It utilizes advanced silicon-gate CMOS technology to deliver low quiescent power consumption and a wide power supply range. The device features input and output characteristics compatible with standard 74LS logic families, ensuring seamless integration into existing designs. It operates within a voltage range of 4.5V to 5.5V and supports a propagation delay of approximately 12ns at 5V with a 50pF load. Designed for industrial temperature ranges from -40°C to +85°C, it provides high fan-out capabilities suitable for interfacing between TTL, NMOS, and standard CMOS components.

Inverter Gates Feature Summary

• TTL and LS pin-out and threshold compatibility
• Fast switching performance with typical propagation delays
• Low power consumption at DC conditions
• High fan-out capability supporting multiple LS-TTL loads

Inverter Gates Applications

• Interfacing between TTL and NMOS components
• Interface connections with standard CMOS devices
• Plug-in replacements for LS-TTL devices in existing designs

Inverter Gates Procurement Notes

Verify the specific manufacturer prefix and suffix against current datasheets, as component availability may vary across distributors. Confirm package type and lead-free status requirements prior to ordering. Check for obsolescence notices or lifecycle changes directly from the manufacturer. Ensure static discharge protection features are accounted for in handling procedures. Validate that the 4.5V to 5.5V supply range meets system specifications.

Inverter Gates Selection Notes

Select this component when TTL-compatible CMOS logic is required for low-power applications. It serves as a direct replacement for LS-TTL gates where reduced power consumption is critical. Verify that the operating voltage range aligns with the system's 5V supply rails. Consider the propagation delay specifications for timing-sensitive digital circuits. Ensure the package style matches the PCB footprint requirements.

Inverter Gates Part Context

This part belongs to the 74HCT series of logic ICs, designed to bridge the gap between older TTL standards and modern CMOS technologies. The HCT designation indicates High-speed CMOS technology with TTL-compatible inputs. This series is widely used in digital systems requiring reliable logic operations with improved power efficiency compared to traditional transistor-transistor logic implementations.

Inverter Gates Replacement Considerations

Direct substitutes include MM74HCT08MTC and MM74HCT08MTCX_NL from Fairchild/ON Semiconductor. Other manufacturers may offer equivalent parts under the 74HCT08 designation, provided they maintain pinout and electrical compatibility.