SN74HCS14BQA-Q1 Texas Instruments Integrated Circuit (Other) In Stock
The SN74HCS14BQA-Q1 is an AEC-Q100 automotive-grade hex inverter with Schmitt-trigger inputs for superior noise immunity. It features six independent inverting channels with hysteresis, operating from 1.65 V to 5.5 V supply in an automotive-qualified package. From $0.55 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCS14BQA-Q1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HCS14BQA-Q1?
- AEC-Q100 automotive qualification for use in safety-critical vehicle electronics
- Schmitt-trigger inputs with hysteresis for reliable switching in noisy automotive environments
- Six independent inverter channels operating from 1.65 V to 5.5 V supply
- Enhanced ESD protection and wide temperature range for automotive thermal cycling requirements
What is SN74HCS14BQA-Q1 used for?
The SN74HCS14BQA-Q1 is designed for signal conditioning and inversion in automotive body control modules, infotainment systems, and ADAS sensor interfaces where electrical noise immunity is critical. The Schmitt-trigger inputs reliably convert slow-rising or noisy digital signals into clean logic transitions, preventing false triggering in automotive EMI-prone environments. It suits clock buffering, oscillator feedback, and bus level-shifting in automotive ECUs operating across the full -40°C to +125°C temperature range.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74HCS14BQA-Q1 datasheet?
SN74HCS14BQA-Q1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HCS14BQA-Q1?
Compatible alternatives and drop-in replacements for SN74HCS14BQA-Q1:
Frequently Asked Questions
What makes the SN74HCS14BQA-Q1 suitable for automotive applications?
The SN74HCS14BQA-Q1 is AEC-Q100 qualified, meaning it has passed rigorous automotive reliability stress tests covering temperature cycling, humidity, electrostatic discharge, and electrical overstress. This qualification is mandatory for components used in automotive ECUs, body control modules, and safety-related electronic systems.
What are Schmitt-trigger inputs and why are they important?
Schmitt-trigger inputs add hysteresis to the switching threshold, meaning the input must reach a higher voltage to switch high and a lower voltage to switch low. This prevents false triggering from slow signal edges, ringing, or electrical noise — a critical feature in automotive environments where EMI and supply noise are common.
How many inverter channels does the SN74HCS14BQA-Q1 have?
The SN74HCS14BQA-Q1 contains six independent inverting Schmitt-trigger channels (hex inverter). Each channel operates independently, allowing the single IC to condition or invert up to six separate digital signals simultaneously, reducing component count in automotive PCB designs.
What supply voltage range does the SN74HCS14BQA-Q1 support?
The SN74HCS14BQA-Q1 operates from 1.65 V to 5.5 V supply, providing compatibility with 1.8 V, 2.5 V, 3.3 V, and 5 V automotive logic systems. This wide range allows interfacing between microcontrollers, sensors, and legacy 5 V automotive modules on the same PCB.
What is the operating temperature range of the SN74HCS14BQA-Q1?
As an automotive-qualified device, the SN74HCS14BQA-Q1 operates over the full automotive temperature range of -40°C to +125°C. This ensures reliable performance during cold engine starts, under-hood heat exposure, and the wide ambient temperature variations experienced throughout a vehicle's lifetime.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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