Texas Instruments

SN74HCT32PW

SN74HCT32PW Description

The SN74HCT32PW from Texas Instruments is a high-speed CMOS quad 2-input OR gate housed in a 14-pin TSSOP package. Designed for surface-mount applications, it operates within a 4.5V to 5.5V supply range, making it ideal for 5V logic systems. With a maximum propagation delay of 22ns at 5.5V and 50pF load, it ensures reliable performance in high-speed digital circuits. The device features low power consumption (2µA quiescent current max) and complies with RoHS3 and REACH environmental standards, ensuring suitability for modern electronics.

SN74HCT32PW Features

• Logic Type: Quad 2-input OR gate (4 circuits in one package).
• High-Speed Operation: 22ns propagation delay at 5.5V, enabling efficient signal processing.
• Wide Voltage Range: 4.5V–5.5V supply, compatible with TTL and CMOS logic levels.
• Low Power Consumption: Quiescent current ≤2µA, reducing energy usage in battery-powered systems.
• Robust I/O Capability: 4mA output drive current (sink/source), supporting moderate fan-out.
• Input Thresholds: 2V (High) and 0.8V (Low), ensuring noise immunity and TTL compatibility.
• Packaging: TSSOP-14 for compact PCB designs, with MSL1 (unlimited shelf life) moisture sensitivity.

SN74HCT32PW Applications

• Digital Logic Systems: Signal gating, data routing, and combinatorial logic in microcontrollers/FPGAs.
• Industrial Control: PLCs, sensor interfacing, and safety-critical OR logic operations.
• Automotive Electronics: ECU signal conditioning where 5V logic is prevalent.
• Consumer Electronics: Keypad scanning, display drivers, and power management circuits.
• Test & Measurement Equipment: High-speed pulse shaping and timing circuits.

Conclusion of SN74HCT32PW

The SN74HCT32PW excels in 5V logic environments, combining speed, low power, and integration (4 gates in one IC). Its TTL-compatible inputs and CMOS-level efficiency make it versatile for industrial, automotive, and consumer applications. Compared to generic OR gates, it offers superior noise margins and lower static power, ideal for energy-sensitive designs. For engineers needing reliable OR logic in space-constrained layouts, this IC is a robust choice.