Diodes Incorporated 74LV14AS14-13

Overview

74LV14AS14-13 from Diodes Incorporated is a hex Schmitt-trigger inverter IC in SO-14 package, operating from 2.0V to 5.5V supply, delivering 12mA output drive at 4.5V, with 5.5V-tolerant inputs and IOFF-enabled partial power-down protection-used for noise-immune signal conditioning in mixed-voltage logic interfaces.

For engineers reviewing the 74LV14AS14-13 datasheet, 74LV14AS14-13 pinout, 74LV14AS14-13 application, or 74LV14AS14-13 equivalent, key selection criteria include hysteresis thresholds (VT+ = 1.95V / VT− = 1.5V @ 5V), propagation delay (5.1–8.6 ns @ 5V/CL=15pF), IOFF leakage (<5 µA), input voltage tolerance (0–5.5V), and SO-14 thermal & layout compatibility.

Technical Context

This device implements six independent CMOS inverters, each with Schmitt-trigger input thresholds enabling robust noise rejection in slow-rising or noisy digital signals. Its IOFF circuit disables outputs during VCC power-down, preventing back-current flow in partial-power-down systems.

The logic function Y = A̅ is implemented with push-pull outputs, supporting both sourcing and sinking up to ±12mA at 4.5V. Input hysteresis ranges from 0.25V to 2.0V depending on supply voltage, ensuring stable switching across 2.0–5.5V operation.

Key Specifications

Pinout & Package

74LV14AS14-13 is housed in a 14-pin Small Outline (SO-14) package with standard 1.27 mm pitch, 8.53–8.74 mm body width, and 3.80–3.99 mm body length-designed for reflow-compatible surface-mount assembly and IPC-compliant PCB footprints.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74LV14APW and MC74LVX14DT, the 74LV14AS14-13 offers optimal balance of SO-14 manufacturability, 5.5V I/O tolerance, and proven IOFF behavior-making it preferred for industrial control and mixed-voltage embedded systems where thermal reliability and legacy footprint compatibility are critical.

Availability

74LV14AS14-13 is available at Aetrix Electronics and suitable for industrial sensor interfaces, power sequencing control, and USB peripheral management requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for 74LV14AS14-13 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and integrated circuits, specializing in high-reliability, energy-efficient components for industrial, computing, and consumer applications.

The 74LV logic family targets low-voltage, mixed-supply digital systems-designed to deliver robust noise immunity, wide VCC flexibility, and power-down safety in cost-sensitive embedded control and interface applications.

FAQ

Can 74LV14AS14-13 be used with a 2.0V supply while accepting 3.3V inputs?

Yes. The device supports VCC as low as 2.0V and features 5.5V-tolerant inputs, allowing 3.3V signals to be applied safely without clamping diodes or level shifters. Input thresholds scale with VCC, maintaining valid logic levels across the full supply range.

What is the maximum capacitive load this device can drive reliably?

At 5.0V supply, the 74LV14AS14-13 maintains specified propagation delay (≤10 ns) up to 50 pF load capacitance. For heavier loads (>50 pF), output rise/fall times increase, and timing margins must be verified per application; layout decoupling and trace impedance control are recommended.

Does IOFF activate automatically when VCC drops below a threshold?

Yes. IOFF engages when VCC falls below approximately 0.8V, disabling output drivers regardless of input state. This prevents current backflow from powered inputs into the unpowered VCC rail-a critical feature for hot-swap and multi-rail power sequencing.

Is the SO-14 package of 74LV14AS14-13 compatible with standard JEDEC MS-012 footprints?

Yes. The SO-14 package conforms to JEDEC MO-012AA outline dimensions: 8.53–8.74 mm width, 3.80–3.99 mm length, 1.27 mm lead pitch, and 1.47–1.73 mm height-ensuring drop-in compatibility with standard SOIC-14 land patterns and reflow profiles.