Nexperia USA Inc. 74LV14ABZZ

Overview

74LV14ABZZ from Nexperia is a hex inverting Schmitt trigger IC designed for signal conditioning in mixed-voltage digital systems, featuring 6 independent channels, 2.0 V to 5.5 V supply range, ±35 mA output drive, and IOFF partial power-down protection. It transforms slow-rising/falling inputs into clean TTL/CMOS-compatible outputs in industrial control interfaces and sensor signal preprocessing.

For engineers reviewing the 74LV14ABZZ datasheet, 74LV14ABZZ pinout, 74LV14ABZZ application, or 74LV14ABZZ equivalent, key selection criteria include Schmitt-trigger hysteresis (0.5 V at 5 V), propagation delay (3.4 ns typ. at 5 V, CL = 15 pF), temperature range (–40 °C to +125 °C), and DHXQFN14 package compatibility with high-density PCB layouts.

Technical Context

The 74LV14ABZZ implements six independent inverting Schmitt-trigger buffers with asymmetric input thresholds (VT+ = 3.5 V, VT− = 1.5 V at VCC = 5.0 V), enabling noise-immune signal regeneration in noisy environments. Its IOFF circuit actively disables outputs during VCC = 0 V, preventing backflow current in hot-swap or partial-power-down systems.

It supports mixed-mode voltage translation across all I/O ports without level shifters, with overvoltage-tolerant inputs up to 7.0 V and rail-to-rail output swing (VOH > 3.8 V, VOL < 0.55 V at VCC = 4.5 V, IO = ±12 mA). Static and dynamic characteristics are fully specified across –40 °C to +125 °C.

Key Specifications

Pinout & Package

DHXQFN14 (SOT8014-1) package: 2 mm × 2 mm × 0.48 mm body, 0.4 mm pitch, 14-terminal leadless construction with exposed thermal pad (non-soldered or GND-connected).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar hex inverting Schmitt trigger applications.

Compared with SN74LV14APW and 74LVC14ABQ, the 74LV14ABZZ offers superior thermal efficiency in space-constrained designs via its DHXQFN14 package, guaranteed IOFF functionality for safe power sequencing, and tighter propagation delay at 5 V-making it optimal for high-reliability industrial and automotive signal integrity applications.

Availability

74LV14ABZZ is available at Aetrix Electronics and suitable for motor control feedback, industrial sensor interface, hot-swap backplane interface requiring stable component supply across extended temperature ranges and high-volume production cycles.

Supply support for 74LV14ABZZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert delivering high-performance logic, discrete, and MOSFET solutions optimized for efficiency, reliability, and miniaturization in industrial and automotive markets.

The 74LV14ABZZ belongs to Nexperia's LV logic family, engineered specifically for robust signal conditioning in mixed-voltage, noise-prone environments where Schmitt-trigger noise immunity and partial power-down safety are mandatory.

FAQ

What is the maximum input voltage the 74LV14ABZZ can tolerate when VCC = 3.3 V?

The 74LV14ABZZ features overvoltage-tolerant inputs rated up to 7.0 V regardless of VCC level. When VCC = 3.3 V, inputs may safely accept 5 V TTL or other higher-voltage signals without damage or clamping, enabling direct mixed-voltage interfacing without external protection components.

Does the 74LV14ABZZ support true bidirectional signal translation?

No-the 74LV14ABZZ is a unidirectional inverting buffer with fixed input (A) and output (Y) terminals. It does not support automatic direction sensing or data flow reversal. Its mixed-voltage capability applies only to input-to-output translation, not bidirectional bus applications like I²C or USB.

How does the IOFF feature behave during power-down sequences?

When VCC drops to 0 V, the IOFF circuit automatically disables all six outputs, limiting output leakage to <0.5 μA. This prevents reverse current flow from powered downstream circuits into the unpowered 74LV14ABZZ, protecting both the device and connected logic from latch-up or damage during staggered power cycling.

Can the DHXQFN14 package be hand-soldered reliably?

The DHXQFN14 (SOT8014-1) package is not recommended for hand soldering due to its 0.4 mm pitch, 14-terminal leadless construction, and thermal pad. Reliable assembly requires controlled reflow profiling with nitrogen atmosphere and stencil-applied solder paste; visual inspection and X-ray are advised for void detection under the thermal pad.