Nexperia USA Inc. 74AHC1G17GW-Q100H

Overview

74AHC1G17GW-Q100 from Nexperia is a single-channel Schmitt-trigger buffer IC with CMOS-level input compatibility, 2.0–5.5 V supply range, overvoltage-tolerant inputs (up to 5.5 V), and AEC-Q100 Grade 1 qualification for automotive use. It provides noise-immune signal conditioning in mixed-voltage domains, such as CAN/LIN bus interface level translation and sensor signal cleanup in engine control units.

For engineers reviewing the 74AHC1G17GW-Q100 datasheet, 74AHC1G17GW-Q100 pinout, 74AHC1G17GW-Q100 application, or 74AHC1G17GW-Q100 equivalent, key selection criteria include hysteresis voltage (0.45–1.6 V), propagation delay (1.0–16.5 ns), input threshold symmetry, automotive temperature range (−40 °C to +125 °C), and TSSOP5 package compatibility with automated optical inspection.

Technical Context

This device implements a single non-inverting Schmitt-trigger buffer with defined positive-going (VT+) and negative-going (VT−) input thresholds-e.g., VT+ = 3.85 V and VT− = 1.65 V at VCC = 5.5 V-enabling robust waveform shaping of slow-rising or noisy digital signals. Its overvoltage-tolerant inputs allow direct interfacing between 3.3 V logic and 5 V systems without external level-shifting circuitry.

The IC delivers symmetrical output impedance and balanced propagation delays (tPLH ≈ tPHL), supporting clean edge regeneration in astable and monostable multivibrator topologies. Its static current draw remains below 40 μA across the full −40 °C to +125 °C range, ensuring low-power operation in always-on automotive subsystems.

Key Specifications

Pinout & Package

TSSOP5 (SOT353-1) package: plastic thin shrink small outline, 5-lead, 1.25 mm body width, 0.65 mm pitch, side-wettable flanks not applicable.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 74AHCT1G17GW-Q100, the 74AHC1G17GW-Q100 offers superior noise margin in mixed-voltage sensor nodes; versus SN74LVC1G17QDRYRQ1, it provides guaranteed 5.5 V input tolerance without external clamping-reducing BOM count and layout complexity in AEC-Q100 designs.

Availability

74AHC1G17GW-Q100 is available at Aetrix Electronics and suitable for engine control units, LIN bus nodes, body control modules, and ADAS camera power sequencers requiring stable component supply across automotive production lifecycles.

Supply support for 74AHC1G17GW-Q100 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 specializing in high-performance, high-reliability discrete, logic, and MOSFET solutions for automotive, industrial, and consumer markets.

The 74AHC logic family targets automotive-grade signal integrity applications, delivering robust Schmitt-trigger functionality with AEC-Q100 qualification, wide supply flexibility, and noise-hardened design for under-hood and chassis electronics.

FAQ

What is the maximum input voltage the 74AHC1G17GW-Q100 can tolerate when VCC = 3.3 V?

The device supports overvoltage-tolerant inputs up to 5.5 V regardless of VCC setting. When powered at 3.3 V, the A-pin accepts 0–5.5 V signals without damage or functional degradation-enabling safe 5 V sensor interfacing in 3.3 V systems without external protection diodes or level shifters.

Does the 74AHC1G17GW-Q100 require external pull-up or pull-down resistors on its input?

No. The Schmitt-trigger input has no internal bias; however, an external pull-up or pull-down resistor is required only if the driving source floats during system reset or power-down states. Typical values range from 10 kΩ to 100 kΩ depending on noise environment and leakage budget.

How does hysteresis improve performance in automotive sensor interfaces?

Hysteresis provides distinct VT+ and VT− thresholds (e.g., 3.85 V and 1.65 V at 5.5 V), creating a 2.2 V noise window that prevents multiple output transitions during slow or noisy input edges-critical for reliable crankshaft/camshaft position sensing where EMI from ignition coils could otherwise cause misfire detection.

Can the 74AHC1G17GW-Q100 drive a 50 pF capacitive load at 10 MHz without signal integrity loss?

Yes. At VCC = 5.0 V and CL = 50 pF, propagation delay is specified at 1.0–13.5 ns with 10%–90% rise/fall times <3.0 ns. Output drive capability (±8 mA) ensures monotonic edges and <5% overshoot, meeting signal integrity requirements for LIN and SENT protocol interfaces up to 20 MHz.