SN74HC21PW

Inverter Gates Overview

The SN74HC21PW is an automotive-qualified dual 4-input positive-AND gate from Texas Instruments, belonging to the SN74HC series. It operates within a supply voltage range of 2V to 6V and supports a wide operating temperature range from -55°C to +125°C. The device features low static power dissipation and high noise immunity typical of HC logic. It is housed in a 14-pin TSSOP package designed for surface-mount applications.

Inverter Gates Feature Summary

• Automotive catalog qualification ensuring reliability for vehicle electronics
• Dual independent 4-input positive-AND logic functionality
• Wide supply voltage operation supporting 2V to 6V ranges
• Extended industrial temperature capability up to 125°C

Inverter Gates Applications

• Automotive electronic control units
• Safety-critical logic circuits
• Industrial process control systems
• High-reliability computing interfaces

Inverter Gates Procurement Notes

Verify the specific ordering suffix to confirm the exact package variant and tape-and-reel specifications. Ensure the component meets AEC-Q100 standards if required for your specific automotive application tier. Cross-reference the manufacturer datasheet for pinout compatibility with existing PCB layouts before finalizing procurement orders.

Inverter Gates Selection Notes

Select this component when dual 4-input AND logic is required in space-constrained surface-mount designs. The HC series offers faster switching speeds compared to legacy counterparts while maintaining low power consumption. Consider the extended temperature range if the environment exceeds standard commercial limits.

Inverter Gates Part Context

This part belongs to the SN74HC family of high-speed CMOS logic devices. The 'Q1' designation indicates automotive qualification, while the 'PW' suffix specifies the 14-lead thin-shrink small-outline package (TSSOP). It serves as a fundamental building block for complex digital logic operations in modern electronic systems.

Inverter Gates Replacement Considerations

Check for SN74HC21PWR or SN74HC21PWG4 for equivalent functional performance. Verify package dimensions and pin assignments match the target footprint. Confirm that alternative sources meet the same automotive qualification requirements.