Manufacturer Part Number

74LV14DB,118

Description

Six-channel inverter Schmitt trigger IC, based on Nexperia’s 74LV series. Packaged in a 14-pin SSOP surface-mount, the device provides input signal conditioning and inversion for digital applications. Schmitt trigger action at each input gives high noise immunity and stable switching. Supports low to high voltage operation with low quiescent current. Product is obsolete; 870 new units available in stock.

Specifications

Six independent inverter Schmitt triggers per IC. Power supply voltage range: 1V to 5.5V. Quiescent current maximum: 40 microamps. Output current: ±12mA. Input logic thresholds—Low: 0.3V to 1.1V, High: 1.4V to 3.85V. Max propagation delay: 15ns at 3.3V Vcc, 50pF load. Chip temperature rating: -40°C to 125°C. Package: 14-pin SSOP (0.209", 5.3mm width). RoHS3 compliant, MSL: 1 (unlimited shelf life).

Device Structure

Monolithic CMOS technology with six individual inverting Schmitt trigger gates. Input and output configuration optimized for high noise immunity. Thin-shrink small-outline package for surface mounting.

Performance Characteristics

Fast switching performance with maximum propagation delay of 15ns. Handles rail-to-rail inputs over wide voltage range. Low static power dissipation (max 40μA). Output can source and sink up to 12mA. High immunity to input noise and slow input transitions due to Schmitt trigger design.

Application Environments

Widely used in interfacing, signal shaping, pulse extension, debounce circuit and general logic inversion in industrial, consumer, and automotive electronics. Suitable for both low and high ambient temperatures (-40°C to 125°C). Well-suited for space-constrained PCB layouts.

Selection Guidelines

Use 74LV14DB,118 for applications requiring six inverting Schmitt triggers, low power, and high noise immunity. Make sure surface-mount SSOP package fits your PCB design. Ensure supply voltage requirements (1–5.5V) match your system. Choose only for mature or already validated designs due to product’s obsolete status. For new designs, consider available substitutes.

Usage Considerations

Product is obsolete—check inventory before committing to large-scale production. Verify package compatibility (SSOP-14) with manufacturing process. Maintain ESD and moisture precautions, though MSL 1 allows for unlimited shelf life. Avoid exceeding voltage and output current ratings. For designs needing long-term support, evaluate substitute parts.

Potential Equivalent/Replacement Models

Yes, several alternative or equivalent models are available. Detailed substitutes include:

74LV14PW,118

SN74LV14ADGVR

SN74LV14ADBR

SN74LV14AMPWREP

SN74LV14ATPWREP

If these alternatives are not suitable or more information is needed, contact the Ariat-Tech sales team for custom recommendations or to verify fit in your application.

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