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SN74LVC1G17QDBVRQ1

Single Schmitt-trigger buffer, AEC-Q100, 1.65-5.5V, SOT-23-5, automotive qualified

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Manufacturer Part：

SN74LVC1G17QDBVRQ1

Package：

SOT-23-5 (2.90 x 1.60 x 1.20 mm)

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Description

Product Overview

The SN74LVC1G17QDBVRQ1 from Texas Instruments is an AEC-Q100 qualified single Schmitt-trigger buffer in SOT-23-5. With wide 1.65V to 5.5V supply range and robust input tolerance up to 5.5V, it provides signal conditioning for automotive logic interfaces with hysteresis for noise immunity.

Key Specifications

Function Single Schmitt-trigger buffer
Supply Voltage 1.65 V to 5.5 V
Input Tolerance Up to 5.5 V (overvoltage tolerant)
Propagation Delay 5.3 ns (typ) at 3.3V
AEC-Q100 Yes (Grade 1)
Operating Temperature -40C to +125C

Features

  • AEC-Q100 Grade 1 qualified for automotive applications
  • Schmitt-trigger inputs with hysteresis for noise immunity
  • Overvoltage tolerant inputs up to 5.5V independent of VCC
  • 1.65V to 5.5V supply range for mixed-voltage systems
  • 5.3ns propagation delay at 3.3V

Applications

  • Automotive signal conditioning and level translation
  • Noisy signal buffering with Schmitt-trigger hysteresis
    • Switch debounce and slow-edge signal conditioning Battery-powered logic interface

The SN74LVC1G17QDBVRQ1 from Texas Instruments is an AEC-Q100 Grade 1 qualified single Schmitt-trigger buffer in a SOT-23-5 package. The device operates from 1.65V to 5.5V with overvoltage tolerant inputs up to 5.5V independent of supply voltage, enabling level translation in mixed-voltage systems. The Schmitt-trigger input provides hysteresis for noise immunity, making it ideal for conditioning slow or noisy signals in automotive environments. Propagation delay is 5.3ns typical at 3.3V. The device is fully specified from -40C to +125C.

The SN74LVC1G17QDBVRQ1 uses a Schmitt-trigger input stage for noise-immune signal conditioning. (1) Schmitt-Trigger: The input stage has two threshold voltages: a higher positive-going threshold (VT+) and a lower negative-going threshold (VT-). The difference (hysteresis) ensures that once the output switches, the input must move significantly in the opposite direction before the output switches again, providing immunity to noise on slow-rising or slow-falling edges. (2) Overvoltage Tolerance: The input protection network allows input voltages up to 5.5V regardless of the VCC supply, enabling the device to translate from higher to lower voltage domains. (3) Output Stage: The LVC output stage provides balanced drive with 24mA sink/source capability at 3.3V.

Pin Name Type Function
1 A Input Schmitt-trigger input
2 GND Ground Ground
3 NC – No connect
4 Y Output Buffer output
5 VCC Power Supply (1.65-5.5V)
  • Automotive signal conditioning with Schmitt-trigger hysteresis for noise immunity
  • Level translation between 3.3V and 1.8V logic domains
  • Switch debounce and slow-edge signal conditioning in automotive systems
  • Battery-powered logic interface with wide supply range
Manufacturer Part Number Package Notes
TI SN74LVC1G17DBVR SOT-23-5 Non-automotive version
Nexperia 74LVC1G17GW-Q100 SOT-353 Smaller package, AEC-Q100
onsemi NC7SZ17P5X SOT-23-5 Similar Schmitt buffer
Toshiba TC74VHC17F SMV-5 Schmitt buffer, similar spec
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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