SN74HC266N

Inverter Gates Overview

The SN74HC266N is a quad XNOR gate integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features open-drain outputs. The device contains four independent two-input logic circuits housed in a 14-pin PDIP package. Key electrical specifications include a maximum propagation delay of 23 ns at 6 V with a 50 pF load, a low-level output current of -5.2 mA, and a high-level output current of 5.2 mA. It supports an operating temperature range from -40°C to +85°C.

Inverter Gates Feature Summary

• Provides four independent XNOR logic functions for complex boolean operations
• Features open-drain outputs suitable for wired-AND configurations or level shifting
• Operates across a wide supply voltage range from 2 V to 6 V
• Compatible with standard CMOS logic families including LSTTL loads

Inverter Gates Applications

• Digital data comparison circuits requiring equality detection
• Parity generation and checking systems
• Control logic interfaces utilizing open-drain bus structures
• General-purpose boolean logic processing in industrial environments

Inverter Gates Procurement Notes

Verify the specific ordering suffix to confirm the PDIP-14 through-hole package configuration. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the open-drain output topology aligns with your circuit design, as pull-up resistors are required for proper high-state operation. Check for automotive qualification if applicable, though this specific part number is standard commercial grade.

Inverter Gates Selection Notes

Select this component when a quad XNOR function is required with open-drain output flexibility. It is suitable for designs needing wide voltage tolerance between 2 V and 6 V. Consider the 23 ns propagation delay for timing constraints. Compare against push-pull output variants if active drive capability is necessary instead of passive pull-up requirements.

Inverter Gates Part Context

This device belongs to the SN74HC series of high-speed CMOS logic gates. It offers performance comparable to the older 74HCT series but with wider voltage compatibility. The HC family is designed for low power consumption while maintaining fast switching speeds. This specific part provides exclusive XNOR functionality within the standard quad-gate form factor.

Inverter Gates FAQ

What type of output stage does the SN74HC266N utilize?

The SN74HC266N utilizes an open-drain output stage, which requires external pull-up resistors to achieve a high logic state.

Is the SN74HC266N compatible with TTL logic inputs?

Yes, the SN74HC266N outputs can drive up to ten LSTTL loads, ensuring compatibility with standard TTL-based input stages.