74AHCT2G32DC,125

Overview

The Nexperia 74AHCT2G32DC,125 is a dual 2-input OR gate in the HCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and accepts TTL input levels. The device features overvoltage tolerant inputs up to 5.5 V, enabling use as translators in mixed-voltage environments. It is housed in an 8-lead VSSOP package (SOT765-1) and supports operation from -40 °C to +125 °C. Static characteristics include low leakage current and high noise immunity. Dynamic performance specifies propagation delays of up to 9.0 ns at 50 pF load.

Feature Summary

• Dual 2-input OR logic function with balanced propagation delays
• TTL-compatible input switching levels for direct interfacing
• Overvoltage tolerant inputs allowing translation between mixed voltage domains
• High electrostatic discharge protection exceeding specified JEDEC standards

Applications

• Mixed voltage signal translation
• Logic level shifting in digital circuits
• OR gate implementation in compact PCB layouts

Procurement Notes

Verify the specific ordering suffix matches the required package variant. Confirm that the HCT input levels align with the source logic family. Ensure the operating temperature range meets system requirements. Check for any recent datasheet revisions that may affect electrical specifications or marking codes before finalizing procurement.

Selection Notes

Select this component when TTL-level inputs are required alongside CMOS output drive capabilities. The VSSOP package is suitable for space-constrained designs requiring surface mount technology. Consider the overvoltage tolerance feature if interfacing with 5.5 V signals while powered by lower voltages. Verify power dissipation limits against the expected switching frequency and load capacitance.

Part Context

This part belongs to the Nexperia 74AHC/AHCT 2G series of dual logic gates. It shares functional similarities with other members like the 74AHCT2G00 (NAND) and 74AHCT2G32DP (TSSOP package). The DC suffix specifically denotes the VSSOP8 plastic very thin shrink small outline package, distinguishing it from standard SO or TSSOP variants.

Replacement Considerations

The 74AHCT2G32DP serves as a pin-compatible alternative in the TSSOP8 package. Other 74AHCT2G32 variants may differ only in packaging or tape/reel specifications. Verify package dimensions and thermal derating curves when substituting.