SN74LVC1G17DCK Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The SN74LVC1G17DCK is a single non-inverting Schmitt trigger buffer from Texas Instruments in a compact 5-pin SC-70 package, supporting 1.65V to 5.5V operation with hysteresis for noise-immune signal conditioning. From $0.15, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- SN74LVC1G17DCK Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Schmitt trigger input with built-in hysteresis for reliable switching on slow or noisy input signals
- Wide supply voltage range of 1.65V to 5.5V enabling seamless mixed-voltage system integration
- Ultra-compact 5-pin SC-70 package ideal for space-constrained portable and wearable designs
- High output drive capability with ±24mA sink/source current for driving logic or light loads
Applications
The SN74LVC1G17DCK is commonly used for signal conditioning of noisy or slowly transitioning digital signals in microcontroller and FPGA interface circuits, preventing false triggering due to signal bounce or ringing. Its Schmitt trigger characteristic makes it ideal for button debouncing, crystal oscillator buffering, and clock signal cleaning in consumer electronics and IoT devices. It is also used in voltage level translation applications at the interface between 1.8V and 3.3V or 5V logic domains.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LVC1G17DCK:
Frequently Asked Questions
What supply voltage range does the SN74LVC1G17DCK support?
The SN74LVC1G17DCK operates over a supply voltage range of 1.65V to 5.5V, making it compatible with 1.8V, 2.5V, 3.3V, and 5V logic families, which is ideal for mixed-voltage digital systems and portable applications.
Why would I use a Schmitt trigger buffer instead of a standard buffer?
A Schmitt trigger buffer like the SN74LVC1G17DCK uses hysteresis to provide defined switching thresholds, preventing multiple output transitions when the input signal is noisy, slowly rising, or has ringing. This makes it ideal for debouncing, signal conditioning, and buffering crystal oscillator outputs where clean transitions are essential.
What package does the SN74LVC1G17DCK come in?
The SN74LVC1G17DCK is packaged in a 5-pin SC-70 package (also referred to as SOT-323), which measures approximately 2.0 x 1.25 mm. This ultra-small surface-mount package is well-suited for space-constrained PCB layouts in mobile, wearable, and IoT products.
Can the SN74LVC1G17DCK be used for button debouncing?
Yes, the SN74LVC1G17DCK's Schmitt trigger input with hysteresis makes it suitable for button debouncing applications. When combined with an RC filter at the input, it cleanly converts a bouncing mechanical switch signal into a single, clean digital pulse suitable for microcontroller inputs.
Are there pin-compatible alternatives to the SN74LVC1G17DCK?
Compatible alternatives include the SN74LVC1G17DBVR (SOT-23-5 package), Nexperia 74LVC1G17GW, and ON Semiconductor NCV8174. These devices offer similar single Schmitt trigger buffer functionality with comparable supply voltage ranges and output drive capability.
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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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