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Product Detailed Parameters
- Description：IC GATE AND 1CH 2-INP SC70-5
- 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：SC-70-5
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC1G09QDCKRQ1 is an automotive-grade single 2-input positive-AND gate with open-drain output. It operates from 2 V to 5.5 V and features Schmitt-trigger inputs for noise rejection. The device provides a maximum sink current of 8 mA at 5 V and exhibits low power consumption with a maximum ICC of 10 µA. Propagation delay reaches a maximum of 6 ns at 5 V. It meets AEC-Q100 Grade 1 standards, supporting temperatures from -40°C to +125°C, and offers HBM ESD Level 2 and CDM Level C4B protection.
Feature Summary
- Automotive qualification compliant with AEC-Q100 Grade 1 specifications for extended temperature ranges.
- Open-drain output configuration allows flexible voltage translation between different system rails.
- Schmitt-trigger inputs enhance signal integrity by rejecting noise on input transitions.
Applications
- Combining power good signals in multi-rail systems
- Enabling digital control signals
- Power sequencing configurations
Procurement Notes
Verify the specific package variant (SC70 or SOT-23) matches the design footprint. Confirm the suffix indicates the correct reel quantity and lead finish. Ensure the component version aligns with the required AEC-Q100 reliability standards for the target automotive application environment.
Selection Notes
Select this component when an AND function with open-drain capability is required for voltage level shifting. The wide supply range supports interfaces across various logic families. Verify that the load capacitance and pull-up resistor values are compatible with the desired switching speed and drive requirements.
Part Context
This part belongs to the Texas Instruments SN74AHC1Gxx-Q1 family of single-gate automotive logic devices. It shares the AHC series performance characteristics but is distinguished by its open-drain output structure, unlike standard push-pull variants such as the SN74AHC1G08QDCKRQ1.
Replacement Considerations
SN74AHC1G08QDCKRQ1: Requires external pull-up due to open-drain difference.
FAQ
How does the open-drain output affect the logic high state?
The output requires an external pull-up resistor to VCC to achieve a logic high state; otherwise, it remains in a high-impedance state.
What is the maximum sink current capability?
The device can sink up to 8 mA at 5 V, allowing it to drive moderate loads directly when the output is low.
