Nexperia USA Inc. 74HC7014D,118

Overview

74HC7014D,118 from Nexperia is a hex non-inverting precision Schmitt-trigger buffer IC with six independent channels, designed for signal conditioning in electrically noisy environments. It operates from 2.0 V to 6.0 V, features precisely defined hysteresis (VT+ = 3.90 V, VT− = 3.30 V at VCC = 6.0 V), and supports input overvoltage tolerance up to +16 V - enabling robust interfacing in industrial sensor front-ends and motor control feedback paths.

For engineers reviewing the 74HC7014D,118 datasheet, 74HC7014D,118 pinout, 74HC7014D,118 application, or 74HC7014D,118 equivalent, key selection criteria include Schmitt-trigger threshold accuracy (±5% window between 0.55×VCC and 0.65×VCC), propagation delay consistency across temperature (tPHL = 27–112 ns), SO14 package compatibility, and ±20 mA input clamping current capability under overvoltage stress.

Technical Context

The 74HC7014D implements six identical CMOS Schmitt-trigger buffers with tightly controlled hysteresis voltage (VH = 160–240 mV at VCC = 6.0 V) and symmetric positive/negative-going thresholds referenced to VCC. Its input structure includes integrated clamp diodes and supports unlimited input rise/fall times - eliminating timing uncertainty from slow-edge signals.

Each channel delivers rail-to-rail output swing with VOH ≥ 5.48 V and VOL ≤ 0.26 V at VCC = 6.0 V and IO = ±5.2 mA, while maintaining latch-up immunity >100 mA per JESD78 Class II Level B. The device is characterized across −40 °C to +125 °C and rated for total power dissipation up to 500 mW in the SO14 package.

Key Specifications

Pinout & Package

74HC7014D,118 is housed in a 14-lead plastic small outline package (SO14, SOT108-1) with 3.9 mm body width, 1.27 mm lead pitch, and gull-wing surface-mount terminals. The package meets JEDEC MS-012 and is RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SN74HC14DR and MC74HC7014ADTR2G, the 74HC7014D,118 uniquely combines non-inverting logic, precise 0.55–0.65×VCC thresholds, and ±20 mA input clamping - making it the only option for noise-immune, overvoltage-tolerant signal conditioning without added passive components.

Availability

74HC7014D,118 is available at Aetrix Electronics and suitable for industrial motor control, factory automation sensor nodes, telecom power sequencing, and professional audio equipment requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 74HC7014D,118 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, reliable logic, discrete, and MOSFET solutions optimized for efficiency, miniaturization, and robustness in industrial and automotive applications.

The 74HC7014 belongs to Nexperia's high-noise-immunity HC logic family, engineered specifically for signal integrity preservation in harsh electromagnetic environments such as motor drives, PLC I/O modules, and power supply supervision circuits.

FAQ

Can 74HC7014D,118 operate reliably at 2.0 V supply?

Yes - the device is fully specified from 2.0 V to 6.0 V. At VCC = 2.0 V, VT+ = 1.9 V and VT− = 1.65 V (typ), with tPHL ≤ 475 ns and output drive capability of ±4.0 mA. All static and dynamic parameters meet datasheet limits across this range, including full −40 °C to +125 °C operation.

What is the maximum allowable input voltage when VCC = 0 V?

Per datasheet Section 8 (Limiting Values), input voltage may range from −0.5 V to +7.0 V regardless of VCC state. However, the absolute maximum rating allows VI = −1.5 V to +16 V *only when input clamping current is limited to ±20 mA*. With VCC = 0 V, clamp diodes conduct to GND/VCC pins - so external current limiting (e.g., 1 kΩ series resistor) is mandatory to avoid damage.

Does 74HC7014D,118 require external pull-up or pull-down resistors on unused inputs?

No - all six inputs are internally biased and feature Schmitt-trigger action with defined thresholds. Unused inputs may be left floating without risk of oscillation or excessive current draw, though best practice recommends tying them to VCC or GND to prevent ESD coupling. Input leakage remains ≤0.5 μA across temperature.

How does the hysteresis voltage change with supply voltage?

VH = VT+ − VT− is supply-dependent and tightly controlled: 120 mV at VCC = 3.0 V, 180 mV at VCC = 4.75 V, and 240 mV at VCC = 6.0 V (all typ). This linear scaling ensures consistent noise margin percentage (≈10% of VCC) across the full operating range, unlike fixed-hysteresis comparators.