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74AHCT02BQ,115
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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14DHVQFN
- Series：74AHCT
- Mfr：Nexperia USA Inc.
- Package：Bulk
- Logic Type：NOR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：7.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-DHVQFN (2.5x3)
- Package / Case：14-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The Nexperia 74AHCT02BQ,115 is a high-speed silicon-gate CMOS quad 2-input NOR gate. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible input levels. The device provides balanced propagation delays and includes Schmitt-trigger action on all inputs for noise immunity. It is housed in a 14-DHVQFN package with dimensions of 2.5x3 mm. The component supports an operating temperature range from -40°C to +125°C and offers ESD protection exceeding 2000 V HBM.
Feature Summary
- Quad 2-input NOR logic function
- TTL-compatible input levels
- Schmitt-trigger action at all inputs
- Balanced propagation delays
Applications
- General-purpose digital logic circuits
- Mixed-voltage system interfaces requiring TTL compatibility
- Automotive electronic control units (AEC-Q100 qualified variants)
- Industrial control systems
Procurement Notes
Verify the specific suffix '115' corresponds to the tape-and-reel packaging configuration required for your assembly line. Confirm that the 14-DHVQFN footprint matches your PCB design guidelines. Ensure the 4.5V-5.5V supply rail aligns with your system's power distribution network. Check for any recent Product Change Notifications regarding labeling or assembly sites.
Selection Notes
Select this component when TTL-level interfacing is required alongside low-power CMOS operation. The 74AHCT series ensures compatibility with legacy LSTTL designs while offering improved speed. Consider the 14-DHVQFN package for space-constrained applications. Verify that the input voltage thresholds meet your signal source requirements within the specified supply voltage range.
Part Context
This part belongs to the Nexperia 74AHCT family, which combines the low power consumption of CMOS with the noise immunity and drive capability of TTL. The 74AHCT02 specifically implements the standard NOR logic function. It is designed for applications requiring robust performance in noisy environments due to the Schmitt-trigger inputs.
Replacement Considerations
Direct pin-compatible substitutes include other manufacturers' 74AHCT02 devices in equivalent packages. Verify electrical specifications such as propagation delay and output current capabilities before substitution. Ensure the replacement part meets the same AEC-Q100 automotive qualification if required by your application.
FAQ
Does the 74AHCT02BQ,115 have Schmitt-trigger inputs?
Yes, all inputs feature Schmitt-trigger action to provide tolerance for slower input rise and fall times.
What is the recommended supply voltage range?
The device is specified for a supply voltage range of 4.5 V to 5.5 V.
