SN74HC21NS

Inverter Gates Overview

The SN74HC21NS is a dual 4-input positive-AND gate manufactured by Texas Instruments. It belongs to the HC logic family and utilizes CMOS technology. The device operates within a supply voltage range of 2 V to 6 V. It features a propagation delay of 11 ns, with low-level and high-level output currents of 5.2 mA each. The component supports an operating temperature range from -40 °C to +85 °C and is housed in a 14-pin DIP package.

Inverter Gates Feature Summary

• Dual four-input AND logic functionality
• CMOS construction for low power consumption
• Wide supply voltage operational capability

Inverter Gates Applications

• Digital logic circuit design
• Signal gating applications
• General-purpose computing systems

Inverter Gates Procurement Notes

Verify the specific suffix 'NS' against official Texas Instruments documentation to confirm the exact package type and tape-and-reel or tube configuration. Ensure the part number matches the intended pinout and thermal specifications for your PCB layout requirements before finalizing procurement orders.

Inverter Gates Selection Notes

Select this component when dual independent four-input AND gates are required in a through-hole DIP format. Consider the HC series performance characteristics regarding speed and drive current relative to system timing constraints. Verify compatibility with existing logic families and voltage levels in the target application environment.

Inverter Gates Part Context

This component is part of the broader SN74HC21 product line from Texas Instruments. It shares functional similarities with other variants such as SN74HC21DR and SN74HC21PWRE4, differing primarily in packaging style. The SN74HC21NS specifically denotes the dual inline package variant suitable for breadboard prototyping or specific through-hole manufacturing processes.

Inverter Gates Replacement Considerations

Cross-reference with SN74HC21DR for surface mount alternatives or SN74HC21PWRE4 for TSSOP options. Verify pin compatibility and electrical parameters before substituting.