Nexperia USA Inc. 74AHC86PW,118

Overview

74AHC86PW,118 from Nexperia is a quad 2-input CMOS-exclusive-OR gate in TSSOP14 package, rated for -40 °C to +125 °C operation, with 2.0–5.5 V supply range, overvoltage-tolerant inputs (up to 5.5 V), and balanced propagation delays (3.4–14.0 ns). It serves as a logic-level translator and combinatorial gate in mixed-voltage digital interfaces.

For engineers reviewing the 74AHC86PW,118 datasheet, 74AHC86PW,118 pinout, 74AHC86PW,118 application, or 74AHC86PW,118 equivalent, this device is selected for low-power XOR logic in industrial control I/O expansion, serial protocol parity generation, and voltage-level bridging between 3.3 V and 5 V subsystems.

Technical Context

This device implements four independent XOR gates with Schmitt-trigger inputs, enabling noise-immune signal conditioning and robust edge detection. Each gate exhibits identical logic behavior per IEC 60617-12 and supports TTL-compatible input thresholds only in the AHCT variant - the AHC version uses full CMOS input levels.

Its overvoltage-tolerant inputs allow safe interfacing with higher-voltage signals without level-shifting circuitry, while the balanced tPLH/tPHL ensures symmetrical timing critical for clock-domain crossing and synchronous data validation.

Key Specifications

Pinout & Package

TSSOP14 package (SOT402-1): plastic thin shrink small outline, 14 leads, body width 4.4 mm, 0.65 mm pitch, exposed pad not electrically connected.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar XOR logic gate applications.

Compared with 74AHCT86PW,118, this AHC variant offers superior noise margin for CMOS sources but cannot interface directly with TTL outputs; versus SN74LVC2G86DCUR, it provides overvoltage protection and quad density at the cost of slightly higher dynamic power and larger footprint.

Availability

74AHC86PW,118 is available at Aetrix Electronics and suitable for industrial automation I/O modules, embedded telemetry transceivers, and motor control feedback circuits requiring stable component supply across extended temperature ranges.

Supply support for 74AHC86PW,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 focused on essential efficiency-enhancing components, delivering high-performance logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.

The 74AHC series delivers advanced CMOS logic with enhanced noise immunity and wide supply flexibility, designed specifically for robust digital interfacing in harsh industrial and high-reliability embedded systems.

FAQ

Can 74AHC86PW,118 operate reliably at 2.0 V supply?

Yes - the device is fully specified down to 2.0 V supply, with guaranteed VIH ≥1.5 V and VOL ≤0.55 V at -40 °C to +125 °C. Propagation delay increases to 14.0 ns (max) at 2.0 V/15 pF, supporting low-power battery-operated systems where speed is secondary to energy efficiency.

What is the maximum capacitive load this device can drive?

The datasheet specifies performance up to 50 pF load capacitance, with tpd measured at both 15 pF and 50 pF. Driving >50 pF may increase propagation delay and reduce noise margin; for heavier loads, add a buffer stage or verify timing margins using the CPD-based power model and layout parasitics.

Is the exposed thermal pad on the TSSOP14 package electrically connected?

No - the thermal pad in SOT402-1 (TSSOP14) is non-functional and not internally connected to any die node. Nexperia documentation explicitly states it may remain floating or be tied to GND for thermal improvement, but no electrical requirement exists for soldering or connection.

How does Schmitt-trigger input action improve system reliability?

Schmitt-trigger inputs provide hysteresis (~0.3–0.5 V depending on VCC), preventing multiple transitions on slowly changing or noisy signals. This eliminates false triggering in applications like mechanical switch debouncing, long-cable sensor interfaces, or EMI-prone industrial environments - confirmed by test data showing stable operation at Δt/ΔV ≤20 ns/V.