DM74LS09N

Inverter Gates Overview

The DM74LS09N is a quad 2-input AND gate integrated circuit manufactured by onsemi, formerly Fairchild Semiconductor. It features four independent gates with open-collector outputs that require external pull-up resistors for proper logical operation. The device operates within a supply voltage range of 4.75V to 5.25V and supports an operating temperature range of 0°C to +70°C. Key electrical characteristics include a low-level output current of 8mA and propagation delays ranging from 4ns to 45ns depending on load conditions.

Inverter Gates Feature Summary

• Contains four independent 2-input AND logic gates
• Features open-collector outputs requiring external pull-up resistors
• Operates within standard TTL voltage levels

Inverter Gates Applications

• Digital logic circuits requiring AND functionality
• Bus interface applications utilizing open-collector configuration
• General-purpose logic systems operating at 5V

Inverter Gates Procurement Notes

Verify component authenticity and datasheet revision status due to the manufacturer's history of corporate acquisition. Confirm package integrity upon receipt as the PDIP-14 variant may exhibit handling sensitivity. Ensure design compatibility with required pull-up resistor values before integration into final assemblies.

Inverter Gates Selection Notes

Select this component when specific open-collector AND gate functionality is required in a through-hole DIP package. Consider alternative packages such as SOIC if space constraints exist. Verify that the 8mA sink capability meets the load requirements of the connected circuitry during the design phase.

Inverter Gates Part Context

This part belongs to the 74LS series of logic integrated circuits, known for low-power Schottky technology. The DM74LS09N specifically utilizes the N14A package designation for the 14-lead plastic dual-in-line format. It serves as a fundamental building block for combinational logic designs in industrial and consumer electronics.

Inverter Gates Replacement Considerations

SN74LS09N Texas Instruments

Inverter Gates FAQ

Why are external components necessary for this IC?

The open-collector outputs cannot source current; therefore, external pull-up resistors are mandatory to establish a high logic level.

What is the maximum low-level output current?

The device can sink a maximum low-level output current of 8mA per gate.