SN74S20N

Inverter Gates Overview

The SN74S20N is a Schottky TTL integrated circuit manufactured by Texas Instruments. It contains two independent 4-input positive NAND gates housed in a 14-pin PDIP package. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical characteristics include a propagation delay of 11 ns, a low-level output current capability of 20 mA, and a high-level output current of -400 µA. It supports through-hole mounting and functions within an operating temperature range of 0°C to +70°C.

Inverter Gates Feature Summary

• Integrates two independent four-input NAND logic gates within a single package.
• Utilizes Schottky transistor technology to achieve high-speed switching performance.
• Provides standard TTL input compatibility with defined logic level thresholds.

Inverter Gates Applications

• High-speed digital logic circuits requiring fast gate delays
• General-purpose computing systems utilizing TTL architecture
• Test and measurement equipment interfaces

Inverter Gates Procurement Notes

Verify the specific manufacturer source when sourcing this component, as Texas Instruments has divested its standard logic product lines. Confirm that the part number corresponds to the original TI specification or an authorized equivalent from the acquiring entity. Ensure the package type matches the required 14-pin DIP form factor for your design.

Inverter Gates Selection Notes

Select this component for designs requiring Schottky speed characteristics within a traditional TTL framework. Compare against SN74LS20N for lower power consumption requirements or SN74AS20N for faster performance needs. Ensure the application environment remains within the specified commercial temperature limits and voltage tolerances.

Inverter Gates Part Context

This component belongs to the Texas Instruments SN74S series, representing the Schottky logic family known for improved speed over standard TTL. The SN74S20N specifically provides dual four-input NAND functionality. This series was widely used in high-performance digital systems before the transition to advanced low-power technologies.

Inverter Gates Replacement Considerations

SN74LS20N offers similar functionality with lower power but slower speed. SN74AS20N provides faster switching speeds. SN74S20FN is the plastic flatpack variant of the same logical function.