SN74LS33NG4

Inverter Gates Overview

The SN74LS33NG4 is a quadruple 2-input positive-NOR buffer manufactured by Texas Instruments. It belongs to the SN74LS logic series and features open-collector outputs. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical parameters include a low-level output current of 24 mA, a high-level output current of -1.2 mA, and a propagation delay of 12 ns. It supports a minimum input logic level low of 0.8 V and functions within an operating temperature range of 0°C to +70°C.

Inverter Gates Feature Summary

• Contains four independent 2-input NOR gates in a single package
• Utilizes open-collector output configuration for flexible interfacing
• Compatible with standard TTL logic families

Inverter Gates Applications

• Digital logic circuit design
• Microcontroller interface buffering
• Signal processing systems

Inverter Gates Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and environmental standards as defined by Texas Instruments. Confirm the package type matches the required PCB footprint, as this part number corresponds to the 14-pin PDIP variant. Ensure the application environment stays within the specified 0°C to +70°C temperature range for reliable operation.

Inverter Gates Selection Notes

Select this component when a quad 2-input NOR function with open-collector outputs is required. It is suitable for applications needing higher current sinking capability (24 mA) compared to standard LS outputs. Consider the PDIP-14 package if through-hole mounting is necessary for the design constraints.

Inverter Gates Part Context

This part is part of the SN74LS family, known for low-power Schottky technology. It serves as a digital logic gate providing NOR functionality. The 'G4' suffix typically denotes RoHS-compliant manufacturing. It is distinct from the SN74LS33DR, which uses a SOIC-14 surface-mount package instead of the through-hole DIP format.

Inverter Gates Replacement Considerations

The SN74LS33D is a functional equivalent using a SOIC-14 package. The SN74LS33N is the non-green version of the same PDIP-14 component. Verify pin compatibility and thermal requirements when substituting.