MM74HC32N

Inverter Gates Overview

The MM74HC32N is a quad 2-input OR gate manufactured by onsemi, utilizing advanced silicon-gate CMOS technology. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range from -40°C to +85°C. The device features buffered outputs capable of driving 10 LS-TTL loads with high noise immunity. Key electrical parameters include a typical propagation delay of 10 ns at 5 V, maximum quiescent current of 20 µA, and maximum input current of 1 µA.

Inverter Gates Feature Summary

• Utilizes advanced silicon-gate CMOS technology for high-speed operation comparable to LS-TTL gates while maintaining standard CMOS low power consumption.
• Provides buffered outputs that deliver high noise immunity and the capability to drive ten LS-TTL loads.
• Features internal diode clamps on all inputs to protect against damage caused by static discharge.
• Functionally and pinout compatible with the standard 74LS logic family.

Inverter Gates Applications

• Digital logic circuits requiring Boolean OR functions
• Signal routing and selection in electronic systems
• Interface between CMOS and LS-TTL logic families

Inverter Gates Procurement Notes

Verify the specific package style (SOIC-14 NB or TSSOP-14) matches the design requirements, as the datasheet lists multiple case outlines. Confirm RoHS compliance status and Pb-free marking details directly with the manufacturer or authorized distributor before finalizing procurement specifications.

Inverter Gates Selection Notes

Select this component when a quad 2-input OR gate is needed with wide voltage flexibility between 2 V and 6 V. It is suitable for designs requiring compatibility with existing 74LS footprints while benefiting from lower power consumption and higher noise immunity inherent to CMOS technology.

Inverter Gates Part Context

The MM74HC32 belongs to the 74HC series of logic integrated circuits produced by onsemi. This series is designed to bridge the performance gap between older bipolar technologies and modern CMOS, offering speed similar to LS-TTL with significantly reduced power dissipation. The part number suffix 'N' typically denotes a specific package variant within the broader MM74HC32 product line.

Inverter Gates Replacement Considerations

Direct replacements include other manufacturers' 74HC32 variants such as those from Nexperia or Texas Instruments, provided they adhere to the same SOIC-14 or TSSOP-14 footprint and electrical specifications.

Inverter Gates FAQ

What is the maximum quiescent supply current for the MM74HC32?

The maximum quiescent supply current is 20 µA at 25°C and 6 V supply voltage.

How does the MM74HC32 handle static discharge protection?

All inputs are protected from damage due to static discharge by internal diode clamps connected to VCC and ground.

Is the MM74HC32 compatible with 74LS logic families?

Yes, the 74HC logic family is functionally and pinout compatible with the standard 74LS logic family.