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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14TVSOP
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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：Surface Mount
- Supplier Device Package：14-TVSOP
- Package / Case：14-TFSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHC02DGVR is a quadruple 2-input positive-NOR gate from the Texas Instruments AHC logic family, housed in a 14-pin TVSOP 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. Key electrical characteristics include a high-level output current of -8mA at 5V and a low-level output current of 8mA at 5V. Propagation delays are specified as 6.5ns maximum at 5V with 50pF load, and 9.5ns maximum at 3.3V with 50pF load.
Feature Summary
- Implements Boolean NOR logic function using CMOS technology
- Provides robust latch-up protection exceeding 250mA per JESD 17-2 standard
- Supports wide supply voltage operation for compatibility with various digital systems
Applications
- General-purpose digital logic circuits requiring NOR functionality
- Signal processing applications utilizing positive logic implementation
- Interface circuits connecting different voltage domains within the specified range
Procurement Notes
Verify the specific ordering suffix matches the required package type and moisture sensitivity level. Confirm RoHS compliance status and lead finish details against the latest Package Option Addendum. Ensure the component meets the intended operating temperature range requirements for your specific application environment before finalizing procurement.
Selection Notes
Select this component when a quadruple 2-input NOR gate is required in a surface-mount TVSOP package. The AHC series offers faster switching speeds compared to standard 74HC devices while maintaining low power consumption. Consider the 2V to 5.5V operating range to ensure compatibility with your system's power supply rails and logic levels.
Part Context
This device belongs to the SNx4AHC02 family of quadruple 2-input positive-NOR gates. The 'SN74' prefix indicates commercial grade performance, while the 'AHC' denotes advanced high-speed CMOS technology. The 'DGVR' suffix specifies the 14-pin TVSOP package with tape-and-reel packaging for automated assembly processes.
Replacement Considerations
Direct pin-to-pin replacements within the same family include SN74AHC02DR (SOIC package) or SN74AHC02DBR (SSOP package). Cross-family alternatives may require logic function verification and voltage level compatibility checks.
