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Product Detailed Parameters
- Description：AUTOMOTIVE, 1-CH,2-INPUT 2-V TO
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：AND Gate
- Number of Circuits：1
- Number of Inputs：2
- Features：Open Drain
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：-, 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 (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-5
- Package / Case：SC-74A, SOT-753
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC1G09QDBVRQ1 is an automotive-grade single 2-input positive-AND gate with an open-drain output, manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and supports a maximum propagation delay of 6 ns at 5 V. The device provides ±8 mA output drive capability and features Schmitt-trigger inputs for noise rejection. It is qualified under AEC-Q100 standards for Grade 1, ensuring operation across temperatures from -40°C to +125°C. Latch-up performance exceeds 250 mA per JESD 17, and it utilizes the DBV (SOT-23) 5-pin package.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for Grade 1 applications
- Open-drain output configuration enabling flexible logic interfacing
- Schmitt-trigger inputs designed to enhance noise immunity
- Wide operating voltage range supporting multiple system rails
Applications
- Combining power good signals
- Enabling digital signals
- Power sequencing configurations
Procurement Notes
Verify that the specific part number includes the Q1 suffix to confirm automotive grade status. Ensure the ordering suffix matches the required tape and reel packaging format. Confirm RoHS compliance and lead finish specifications against project requirements. Validate that the moisture sensitivity level aligns with assembly floor constraints.
Selection Notes
Select this component when an AND function with an open-drain output is required in automotive environments. The wide voltage tolerance allows use for level translation between different logic families. Verify that the load capacitance does not exceed limits that would degrade the specified propagation delay. Consider the thermal resistance metrics if high ambient temperatures are expected.
Part Context
This device belongs to the SN74AHC1G-Q1 family of automotive logic gates. It shares the AHC technology platform but is distinguished by its specific open-drain output structure and automotive reliability testing. It complements other members of the series that may feature push-pull outputs or different logic functions.
Replacement Considerations
Direct substitutes include catalog versions such as SN74AHC1G09 without the Q1 suffix, provided automotive qualification is not mandatory. Other packages like DCK (SC70) offer equivalent functionality with minor footprint differences.
FAQ
What is the logic function performed by the SN74AHC1G09QDBVRQ1?
The device performs the Boolean logic Y = A × B, functioning as a single 2-input positive-AND gate.
How does the open-drain output affect the device's usage?
The open-drain output requires an external pull-up resistor to function correctly and allows the output voltage to be pulled above the VCC supply rail, facilitating level shifting.
