74AHCT1G02SE-7

Overview

The 74AHCT1G02SE-7 is a single 2-input positive NOR gate from the AHCT logic family, manufactured by Diodes Incorporated. It operates within a supply voltage range of 4.5V to 5.5V and features a standard totem pole output capable of ±8 mA drive current at 5.0V. The device utilizes CMOS technology for low power consumption and includes Schmitt trigger action on all inputs to tolerate slower input rise and fall times. Packaged in SOT353 with tape and reel configuration, it supports an operating temperature range of -40°C to +125°C.

Feature Summary

• Features Schmitt trigger action at all inputs to ensure circuit tolerance for slower input rise and fall times.
• Provides robust ESD protection exceeding 200-V Machine Model, 2000-V Human Body Model, and 1000-V Charged Device Model standards.
• Latch-up performance exceeds 100mA per JESD 78 Class II requirements.

Applications

• General purpose logic circuits
• PCs, networking equipment, notebooks, and netbooks
• Computer peripherals including hard drives and CD/DVD ROMs
• TVs, DVD players, DVRs, and set-top boxes
• Phones, personal navigation/GPS devices, MP3 players, cameras, and video recorders

Procurement Notes

Verify that the ordering suffix 'SE' corresponds specifically to the SOT353 package type as defined in the manufacturer's official documentation. Confirm the '-7' suffix indicates the Tape & Reel packaging format. Ensure compliance with RoHS directives and check for applicable exemptions before procurement. Validate that the component meets the required environmental specifications for your specific application environment.

Selection Notes

Select this component when a single 2-input NOR function is required within a 5V logic system. The AHCT series ensures TTL-compatible input levels while maintaining CMOS low power characteristics. Consider the SOT353 package dimensions if space constraints are critical. Verify that the operating temperature range of -40°C to +125°C aligns with your system's thermal requirements.

Part Context

This part belongs to the 74AHCT1Gxx series of single-function logic gates produced by Diodes Incorporated. The AHCT designation indicates compatibility with 5V CMOS systems while accepting TTL-compatible input voltages. The '1G' prefix signifies a single gate per package, and '02' identifies the NOR logic function. This series is designed for general-purpose digital applications requiring reliable switching performance.

Replacement Considerations

The 74AHCT1G02W5-7 serves as a direct functional substitute utilizing the SOT25 package instead of SOT353. Both parts share identical electrical characteristics and logic functions. Verify pinout compatibility and physical footprint differences before substituting. Other manufacturers may offer equivalent parts under different naming conventions, but cross-referencing datasheets is essential.

FAQ

What is the maximum propagation delay for the 74AHCT1G02SE-7?

The maximum propagation delay (tpd) is 9.5 ns when measured with a 50pF load capacitance across the full operating temperature range.

Does the 74AHCT1G02SE-7 include Schmitt triggers?

Yes, the device features Schmitt trigger action at all inputs, making the circuit tolerant for slower input rise and fall times.

What is the recommended operating voltage range?

The device is designed for operation with a power supply range of 4.5V to 5.5V.