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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SO
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tube
- Logic Type：OR 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：7.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SO
- Package / Case：14-SOIC (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHC32NS is a commercial-grade quadruple 2-input positive-OR gate from the Texas Instruments SNx4AHC32 family. 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 provides ±8mA output drive capability at 5V and features low power consumption with a maximum ICC of 10µA. Latch-up performance exceeds 250mA per JESD 17. Propagation delay is typically 5.3ns at 5V with a 50pF load. It utilizes standard CMOS inputs and balanced push-pull outputs in a 14-pin SOIC package.
Feature Summary
- Contains four independent 2-input OR gates performing Boolean logic Y = A + B
- Features balanced CMOS push-pull outputs for similar sourcing and sinking currents
- Includes standard CMOS inputs requiring termination to prevent undefined states
- Provides positive and negative clamping diodes on outputs
Applications
- Enabling or disabling digital signals
- Controlling indicator LEDs
- Translation between communication modules and system controllers
Procurement Notes
Verify the specific ordering suffix 'NS' corresponds to the 14-pin Small Outline Package (SO) variant. Confirm that the component meets RoHS compliance standards and lead-free finish requirements, specifically the palladium-plated leadframe technology used by Texas Instruments. Ensure the procurement matches the commercial rating rather than military specifications associated with the SN54 series.
Selection Notes
Select this component when a wide supply voltage range from 2V to 5.5V is required for OR logic operations. It is suitable for applications needing moderate output drive current up to 8mA. Consider the -40°C to +125°C operating temperature range for industrial environments. Verify that the 14-pin SO package footprint fits the design constraints compared to other available packages like SSOP or TSSOP.
Part Context
This part belongs to the SNx4AHC32 family of quadruple 2-input positive-OR gates manufactured by Texas Instruments. The 'SN' prefix indicates a commercial-grade device, distinguishing it from the military-grade 'SN54' variants. The 'AHC' designation identifies the Advanced High-speed CMOS logic series, offering faster switching speeds and lower power consumption compared to legacy HC logic families.
Replacement Considerations
Direct replacements include other SN74AHC32 variants with different package suffixes such as SN74AHC32DR (SOIC), SN74AHC32DBR (SSOP), or SN74AHC32PW (TSSOP). These share identical electrical characteristics but differ in physical package dimensions.
