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SN74LVC2G17DBVR

Dual Schmitt-trigger buffer, 1.65–5.5 V, 2-channel, 6-SOT-23, hysteresis input, LVC family

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Manufacturer Part：

SN74LVC2G17DBVR

Package：

6-SOT-23 (DBV) — 2.9 x 2.8 mm

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Description

Product Overview

The SN74LVC2G17DBVR is a dual Schmitt-trigger buffer from Texas Instruments’ LVC logic family. Packaged in a 6-pin SOT-23 (DBV), it operates from 1.65 V to 5.5 V and provides two independent non-inverting buffer channels with Schmitt-trigger inputs. The hysteresis on the inputs makes this device ideal for noise rejection and waveform conditioning in mixed-signal environments.

Key Specifications

Logic Function Dual Buffer with Schmitt-Trigger
Supply Voltage Range 1.65 V to 5.5 V
Number of Channels 2
Max Propagation Delay 5.4 ns at 3.3 V
Output Drive Current ±24 mA at 3.3 V
Package 6-SOT-23 (DBV) — 2.9 x 2.8 mm
Operating Temperature -40°C to +125°C
Max ICC 10 µA

Features

  • Schmitt-trigger inputs provide hysteresis for superior noise immunity
  • Wide 1.65-V to 5.5-V supply range
  • Over-voltage tolerant inputs up to 5.5 V
  • Low 10 µA max ICC for battery-powered applications
  • Ioff supports live insertion and partial-power-down mode

Applications

  • Debouncing mechanical switches and buttons
  • Signal conditioning for noisy sensor interfaces
  • Waveform squaring and edge sharpening
  • Voltage-level translation in mixed-voltage systems
  • Portable and battery-powered digital devices

The SN74LVC2G17 is a dual Schmitt-trigger buffer from Texas Instruments designed for 1.65-V to 5.5-V VCC operation. The device contains two independent buffers performing the Boolean function Y = A, with Schmitt-trigger inputs that provide different threshold levels for positive-going and negative-going signals. This hysteresis significantly improves noise immunity compared to standard buffers, making the device ideal for cleaning up noisy signals, debouncing switches, and conditioning slow-edge waveforms in compact designs.

The SN74LVC2G17 operates as two independent non-inverting buffers with Schmitt-trigger input stages. Each Schmitt-trigger input has two distinct threshold voltages: a higher VT+ for rising signals and a lower VT- for falling signals. The difference between these thresholds creates a hysteresis band that prevents output oscillation when the input signal is slow-moving or noisy. When the input exceeds VT+, the output goes high; when the input falls below VT-, the output goes low. This mechanism provides clean output transitions regardless of input signal quality.

Pin Name Type Function
1 1A Input Schmitt-trigger input for channel 1
2 1Y Output Buffer output for channel 1
3 GND Power Ground reference
4 2A Input Schmitt-trigger input for channel 2
5 2Y Output Buffer output for channel 2
6 VCC Power Positive supply voltage
  • Switch and button debounce circuits in user interfaces
  • Sensor signal conditioning in industrial control systems
  • RC oscillator and timing circuits requiring hysteresis
  • Noise filtering on digital communication buses
  • Edge sharpening for clock distribution networks
Manufacturer Part Number Package Notes
TI SN74LVC2G17DCKR 6-SC70 Smaller footprint option
Nexperia 74LVC2G17GW 6-TSSOP Equivalent function
onsemi MC74LVC2G17DTT1G 6-SC70 Equivalent function
Diodes Inc 74LVC2G17DW-7 6-SOT-26 Equivalent function
Toshiba TC74VHC17FT 6-SOT-26 Equivalent function
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Contact Information

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Tel / WhatsApp: +86 13760382860

Service & Packaging

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Contact Information

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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