SN74HCS08BQA-Q1 Texas Instruments Integrated Circuit (Other) In Stock
SN74HCS08BQA-Q1 is an automotive-grade quadruple 2-input AND gate IC with Schmitt-trigger inputs from Texas Instruments. It features four independent AND gates with hysteresis for improved noise immunity, qualified to AEC-Q100 for automotive use. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCS08BQA-Q1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive qualification ensures the device meets rigorous reliability and temperature requirements for under-hood and body electronics applications
- Schmitt-trigger inputs on all four AND gates provide hysteresis that suppresses noise and eliminates false triggering from slow or noisy input transitions
- Quad 2-input AND gate architecture integrates four independent logic gates in a single package, reducing BOM count in automotive logic interface designs
- HCS-family CMOS logic delivers low quiescent current consumption with high noise immunity suitable for 3.3V and 5V automotive ECU environments
Applications
The SN74HCS08BQA-Q1 is designed for automotive body control modules, powertrain ECUs, and ADAS signal processing circuits where reliable AND logic gating in noisy electrical environments is required. The Schmitt-trigger inputs make it well-suited for conditioning slow-rising signals from sensors, switches, or communication buses before feeding them into microcontrollers or FPGAs. Its AEC-Q100 qualification and automotive-grade temperature range make it a direct fit for OEM automotive electronics production.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCS08BQA-Q1:
Frequently Asked Questions
What makes the SN74HCS08BQA-Q1 suitable for automotive applications?
The SN74HCS08BQA-Q1 is AEC-Q100 qualified, meaning it has passed the Automotive Electronics Council's component stress test qualification for use in automotive electronic systems. This certification covers high and low temperature operation, humidity, ESD, and other reliability tests required by automotive OEMs for components used in vehicles.
What is the benefit of Schmitt-trigger inputs on an AND gate?
Schmitt-trigger inputs add hysteresis to the switching threshold, so the input must cross a higher voltage to switch from low to high and a lower voltage to switch from high to low. This prevents false triggering when input signals are slow-rising, have noise, or exhibit ringing — a common problem in automotive electrical environments with electromagnetic interference.
How many AND gate channels does the SN74HCS08BQA-Q1 contain?
The SN74HCS08BQA-Q1 contains four independent 2-input AND gates in a single package. Each gate operates independently with its own pair of inputs and one output, allowing multiple AND logic functions to be implemented compactly without needing multiple discrete gate ICs.
What logic family is the SN74HCS08BQA-Q1 part of?
The SN74HCS08BQA-Q1 belongs to the HCS (High-Speed CMOS with Schmitt-trigger inputs) logic family. This family combines the low-power characteristics of CMOS logic with the noise immunity benefits of Schmitt-trigger input stages, making it well-adapted for 3.3V and 5V mixed-signal automotive designs.
What are typical use cases for the SN74HCS08BQA-Q1 in automotive designs?
Typical automotive use cases include signal gating in body control modules (BCMs), enable/disable logic for power management circuits, input conditioning for microcontroller GPIO signals from noisy sensor lines, and combinational logic in CAN or LIN bus interface circuits. The Schmitt-trigger inputs make it especially useful wherever slow or noisy digital signals must be reliably detected.
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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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