SN74LS03NS

Inverter Gates Overview

The SN74LS03NS is a quad two-input positive-NAND gate integrated circuit manufactured by Texas Instruments. It belongs to the 74LS (Low-power Schottky) logic family and features open-collector outputs. The device operates within a supply voltage range of 4.75V to 5.25V. Key electrical parameters include a maximum propagation delay of 32ns at 5V with 15pF load capacitance, an output low current capability of 16mA, and an output high current of 250µA. Logic levels are defined as 0.8V for low input and 2V for high input. It functions reliably across a temperature range of 0°C to 70°C.

Inverter Gates Feature Summary

• Contains four independent two-input NAND gates in a single package
• Features open-collector outputs suitable for wired-AND configurations
• Compatible with standard TTL logic families

Inverter Gates Applications

• Digital logic circuits requiring NAND functionality
• Wired-AND bus implementations
• General-purpose switching applications

Inverter Gates Procurement Notes

Verify the specific suffix 'NS' against the manufacturer's official documentation to confirm pinout and package dimensions match your design requirements. Ensure the component meets RoHS compliance standards if required by your manufacturing process. Cross-reference the ordering information with authorized distributors to confirm availability and authenticity before procurement.

Inverter Gates Selection Notes

Select this component when open-collector NAND logic is required for interfacing with different voltage levels or implementing wired-AND connections. The LS series offers a balance of speed and power consumption suitable for general digital applications. Verify that the load capacitance does not exceed specifications to maintain signal integrity.

Inverter Gates Part Context

This part is part of the Texas Instruments 74LS series, which utilizes Low-power Schottky technology to reduce power dissipation while maintaining acceptable switching speeds. The 74LS03 specifically provides open-collector outputs, distinguishing it from standard push-pull NAND gates like the 74LS00. This series is widely used in legacy and industrial digital systems.

Inverter Gates Replacement Considerations

Equivalent parts include SN74LS03N and SN74LS03DR. Verify compatibility with other manufacturers' 74LS03 variants such as those from ON Semiconductor or STMicroelectronics, ensuring pinouts and electrical characteristics align.