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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14DHVQFN
- Series：74HCT
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：4mA, 4mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：19ns @ 4.5V, 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：Automotive
- Qualification：AEC-Q100
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Overview
The 74HCT02BQ-Q100,115 is a quad 2-input NOR gate from the 74HCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and supports ambient temperatures from -40 °C to +125 °C. The device features TTL-level input compatibility and includes clamp diodes on inputs for interfacing with voltages exceeding VCC. It is housed in a DHVQFN14 package (SOT762-1) with side-wettable flanks. Qualified to AEC-Q100 Grade 1 standards, it offers high noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
Feature Summary
- Automotive qualification compliant with AEC-Q100 Grade 1 standards
- TTL-compatible input levels for direct interface with TTL logic systems
- DHVQFN package with side-wettable flanks enabling automatic optical inspection
Applications
- Automotive electronic circuits requiring robust logic gating
- Industrial control systems operating in wide temperature ranges
- General-purpose digital logic applications utilizing TTL interfaces
Procurement Notes
Verify that the specific ordering suffix matches the required package variant and tape/reel configuration. Confirm the automotive grade designation aligns with project reliability requirements. Ensure design reviews account for the specified thermal derating characteristics associated with the DHVQFN14 package under maximum load conditions.
Selection Notes
Select this component when TTL input thresholds are mandatory within a CMOS architecture. The DHVQFN14 package is suitable for space-constrained designs requiring reliable solder joint inspection. Consider the wide operating temperature range for environments subject to significant thermal fluctuations.
Part Context
This part belongs to the Nexperia 74HCT02-Q100 series, which integrates four independent 2-input NOR gates. The series provides a bridge between traditional TTL logic levels and modern CMOS power efficiency. The 'BQ' suffix specifically denotes the DHVQFN14 surface-mount package option designed for automated assembly processes.
Replacement Considerations
Cross-reference with other 74HCT02 variants in the DHVQFN14 package if pinout compatibility is critical. Verify that alternative suppliers offer equivalent AEC-Q100 Grade 1 qualification for automotive deployment.
