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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SOIC
- Series：74AHCT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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 ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHCT32QDRG4Q1 is an automotive-grade quad 2-input positive-OR gate manufactured by Texas Instruments. It belongs to the SN74AHCT series, utilizing CMOS technology with HCT-compatible inputs for seamless interfacing with TTL-driven systems. The device operates within a supply voltage range of 4.5 V to 5.5 V and features low output drive capabilities of 8 mA at both high and low logic states. Designed for robust performance in harsh environments, it supports an extended operating temperature range from -40°C to +125°C. The component is qualified under AEC-Q100 standards and is housed in a 14-pin SOIC package.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle applications
- HCT-compatible input thresholds enabling direct interface with standard TTL logic levels
- Extended thermal stability supporting operation across wide industrial and automotive temperature ranges
Applications
- Automotive electronic control units requiring reliable logic processing
- Signal routing and selection circuits in vehicular communication networks
- Interface adapters between TTL-based controllers and CMOS peripheral devices
Procurement Notes
Verify that the specific suffix Q1 confirms AEC-Q100 automotive qualification status as defined by the manufacturer. Ensure the G4 suffix indicates lead-free and RoHS compliance requirements are met for your assembly process. Confirm the DRG4 designation corresponds to the correct SOIC-14 package variant and tape-and-reel specifications before finalizing procurement orders.
Selection Notes
Select this component when HCT-compatible input levels are required alongside automotive reliability standards. The AHCT series offers faster switching speeds compared to standard HC variants while maintaining compatibility with legacy TTL interfaces. Consider the 14-pin SOIC footprint for surface-mount assembly constraints and verify that the 4.5V minimum supply voltage aligns with the target system power architecture.
Part Context
This part is a member of the SN74AHCT family, which bridges the performance gap between standard HC logic and HCT input compatibility. The 'Q' prefix denotes automotive grade qualification, while the '32' identifier specifies the quad OR gate function. This specific model provides a robust solution for automotive digital logic applications where signal integrity and environmental durability are critical design parameters.
Replacement Considerations
SN74AHCT32QPWRG4Q1 is a pin-compatible alternative available in a TSSOP-14 package offering similar electrical characteristics and automotive qualification.
