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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14WQFN
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：NOR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 1.65V
- Input Logic Level - High：1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL：5.1ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-WQFN (3x2.5)
- Package / Case：14-WFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The SN74AHC02BQAR is a quadruple 2-input positive-NOR gate from the Texas Instruments SNx4AHC02 family, housed in a 14-pin WQFN (BQA) package. It operates within a supply voltage range of 2V to 5.5V and supports an operating temperature range of -40°C to +125°C. The device features high-level output currents of up to -8mA at 5V and low-level output currents of up to 8mA at 5V. Propagation delays are typically 5.6ns at 3.3V and 3.6ns at 5V with a 15pF load.
Feature Summary
- Contains four independent 2-input NOR gates performing Boolean logic functions
- Operates across a wide supply voltage range from 2V to 5.5V
- Provides robust latch-up performance exceeding specified limits per JESD standards
Applications
- General-purpose digital logic processing
- Signal gating and control circuits
- Boolean logic implementation in embedded systems
Procurement Notes
Verify the specific BQA package marking and lead finish against the latest Package Option Addendum. Confirm that the ordering suffix matches the required reel quantity and moisture sensitivity level for your assembly process. Ensure the component status is listed as Active Production rather than NRND or Obsolete before finalizing procurement.
Selection Notes
Select this component when a compact surface-mount solution is required for multiple NOR logic operations. The WQFN package offers a small footprint suitable for space-constrained designs. Verify that the input transition rates and load capacitance requirements align with the switching characteristics defined in the datasheet for your target supply voltage.
Part Context
This part belongs to the SNx4AHC02 series of quadruple 2-input positive-NOR gates. The 'AHC' designation indicates Advanced High-Speed CMOS technology, offering faster speeds and lower power consumption compared to standard HC devices. The BQA suffix specifically identifies the 14-pin WQFN package variant.
Replacement Considerations
SN74AHC02DR
FAQ
What is the Boolean function performed by the SN74AHC02BQAR?
The device performs the Boolean function Y = A · B or Y = A + B in positive logic, which corresponds to a positive-NOR gate.
How many independent gates are contained in this package?
The SN74AHC02BQAR contains four independent 2-input NOR gates.
