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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14DIP
- Series：74AHC
- Mfr：Texas Instruments
- Package：Bulk,Tube
- 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：8.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Package / Case：14-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The SN74AHC02N is a quadruple 2-input positive-NOR gate from the Advanced High-Speed CMOS (AHC) series. 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 latch-up performance exceeding 250mA per JESD 17. Electrical characteristics include high-level output currents up to -8mA and low-level output currents up to 8mA at 5V. Switching delays are typically 3.6ns at 5V with 15pF load, rising to 5.1ns maximum under similar conditions.
Feature Summary
- Contains four independent 2-input NOR gates performing Boolean logic functions
- Advanced High-Speed CMOS technology for fast switching speeds
- Wide operating voltage range supporting 2V to 5.5V supplies
- High noise immunity and robust latch-up protection
Applications
- General-purpose digital logic circuits
- Signal gating and routing applications
- Portable battery-powered equipment due to wide voltage compatibility
Procurement Notes
Verify the specific ordering suffix 'N' corresponds to the PDIP-14 package configuration. Confirm RoHS compliance status and lead finish details via the manufacturer's current packaging addendum. Ensure the component meets the required thermal resistance specifications for the intended PCB layout environment.
Selection Notes
Select this component when a quad NOR gate function is required in a through-hole design. The AHC series offers superior speed compared to standard HC logic while maintaining CMOS power efficiency. Verify that the input voltage levels align with the driving source across the full operating temperature range.
Part Context
This part belongs to the Texas Instruments SNx4AHC02 family of quadruple 2-input positive-NOR gates. The 'SN' prefix indicates commercial grade availability, while 'AHC' denotes the Advanced High-Speed CMOS process technology. The 'N' suffix specifically identifies the plastic dual-in-line package variant.
Replacement Considerations
Compatible variants include SN74AHC02DR (SOIC), SN74AHC02PWR (TSSOP), and SN74AHC02DBR (SSOP). For automotive applications, consider the SN74AHC02-Q1 series which meets AEC-Q100 standards.
