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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SOIC
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：OR 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：8mA, 8mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：7.9ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHCT32D is a quadruple 2-input positive-OR gate from the Texas Instruments AHCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features low output drive currents of ±8 mA. The device provides a propagation delay of 5.5 ns and functions across an industrial temperature range of -40°C to +85°C. Packaged in a 14-pin SOIC format, it supports surface-mount installation for digital signal processing applications.
Feature Summary
- Provides four independent 2-input OR logic functions
- Compatible with standard CMOS logic levels via HCT input structure
- Supports high-speed switching with defined propagation characteristics
Applications
- Digital signal routing and selection circuits
- Logic level translation between different voltage domains
- General-purpose boolean logic implementation in embedded systems
Procurement Notes
Verify the specific suffix 'D' corresponds to the 14-SOIC package variant. Confirm RoHS compliance status through official manufacturer documentation. Ensure the operating environment remains within the specified -40°C to +85°C temperature limits. Validate that the system power supply strictly adheres to the 4.5 V to 5.5 V range to prevent functional failure or damage.
Selection Notes
Select this component when four independent OR gates are required in a single package. Choose the AHCT series for compatibility with 5 V CMOS inputs while maintaining performance. Consider the SOIC package for standard PCB layouts requiring through-hole or surface-mount flexibility. Verify that the ±8 mA output current meets the load requirements of the connected circuitry.
Part Context
This part belongs to the SN74AHCT32 series of quadruple 2-input OR gates. It shares logical functionality with other variants in the family but differs in packaging and specific electrical tolerances. The AHCT designation indicates high-speed CMOS technology with TTL-compatible input thresholds, ensuring reliable interfacing with legacy digital systems.
Replacement Considerations
Public confirmed substitute part numbers include SN74AHCT32DR and SN74AHCT32PW. Verify pinout compatibility and package dimensions before substitution. Ensure the alternative variant maintains the same voltage and temperature specifications.
