SN74HCS04BQA-Q1 Texas Instruments Integrated Circuit (Other) In Stock
The SN74HCS04BQA-Q1 is an automotive-qualified hex inverter IC featuring Schmitt-trigger inputs, operating from 1.65 V to 5.5 V supply voltage. It provides six independent inverting channels with hysteresis for improved noise immunity, supports high-speed CMOS logic levels, and is AEC-Q100 qualified for automotive applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCS04BQA-Q1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HCS04BQA-Q1?
- AEC-Q100 automotive-qualified hex inverter
- 6 independent inverting channels with Schmitt-trigger inputs
- Wide supply voltage range: 1.65 V to 5.5 V
- CMOS input-compatible with hysteresis for noise immunity
- High-speed operation up to 50 MHz
- Available in small QFN package for compact designs
What is SN74HCS04BQA-Q1 used for?
The SN74HCS04BQA-Q1 is widely used in automotive electronics for signal conditioning, level shifting, and clock signal inversion in body control modules and infotainment systems. It is also suitable for industrial control systems requiring reliable logic inversion with noise-immune Schmitt-trigger inputs. Additional applications include sensor interface circuits, oscillator design, and bus line driving in safety-critical embedded systems.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74HCS04BQA-Q1 datasheet?
SN74HCS04BQA-Q1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HCS04BQA-Q1?
Compatible alternatives and drop-in replacements for SN74HCS04BQA-Q1:
D Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PQCC14
D Flip-Flop, HC/UH Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, CMOS, PQCC14
Serial In Parallel Out, HC/UH Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Frequently Asked Questions
What supply voltage range does the SN74HCS04BQA-Q1 support?
The SN74HCS04BQA-Q1 operates over a wide supply voltage range of 1.65 V to 5.5 V, making it compatible with both 1.8 V and 3.3 V and 5 V logic systems. This flexibility enables use across diverse automotive and industrial designs without additional level translation.
Why is the SN74HCS04BQA-Q1 preferred in automotive ECU designs over standard hex inverters?
The device carries AEC-Q100 qualification, ensuring it meets stringent automotive reliability standards for temperature cycling, humidity, and electrostatic discharge. It operates reliably from -40°C to +125°C junction temperature, which is mandatory for under-hood automotive environments. The Schmitt-trigger inputs add hysteresis, preventing false triggering from slow or noisy input signals common in automotive wiring harnesses.
How many inverting channels does the SN74HCS04BQA-Q1 provide, and how fast can they switch?
The SN74HCS04BQA-Q1 integrates 6 independent inverting channels, each capable of high-speed switching at propagation delays as low as 3.8 ns at 5 V supply. This makes it suitable for applications requiring simultaneous inversion of multiple logic lines, such as clock distribution or multi-channel signal conditioning at frequencies up to 50 MHz.
Which package options are available for the SN74HCS04BQA-Q1 and what board space is required?
The SN74HCS04BQA-Q1 is offered in a compact 8-pin X2SON package measuring approximately 1.5 mm x 1.5 mm, enabling significant space savings in dense automotive PCB layouts. This small footprint is ideal for infotainment systems and body control modules where board real estate is at a premium, while still accommodating all 6 inverting channels.
Can the SN74HCS04BQA-Q1 replace the SN74HC04 in an existing design?
The SN74HCS04BQA-Q1 is functionally compatible with standard SN74HC04 devices but adds Schmitt-trigger hysteresis of approximately 0.5 V at 3.3 V supply and extends the lower supply threshold down to 1.65 V. Designers should verify PCB footprint compatibility since the automotive part may be available only in specific packages; logic timing and voltage levels are otherwise pin-for-pin replaceable.
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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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