Nexperia USA Inc. 74AHC1G17GVH

Overview

74AHC1G17GV from Nexperia is a single Schmitt-trigger buffer IC with overvoltage-tolerant inputs (up to 5.5 V), operating across 2.0–5.5 V supply, delivering 1.6 V hysteresis at 5.5 V VCC, and specified for -40 °C to +125 °C industrial temperature range - used in noise-prone signal conditioning paths of sensor interfaces and microcontroller I/O expansion.

For engineers reviewing the 74AHC1G17GV datasheet, 74AHC1G17GV pinout, 74AHC1G17GV application, or 74AHC1G17GV equivalent, key selection criteria include input hysteresis voltage (VH), propagation delay (tpd ≤ 11.0 ns at 5.5 V/50 pF), overvoltage tolerance, CMOS-level input compatibility, and SC-74A (SOT753) package thermal performance.

Technical Context

This device implements a non-inverting Schmitt-trigger transfer function with separate positive-going (VT+) and negative-going (VT−) thresholds - enabling reliable waveform shaping of slow-rising or noisy digital signals. Its input stage accepts voltages up to 5.5 V independent of VCC, supporting level translation between 3.3 V and 5 V domains.

Internally, it uses standard CMOS logic with symmetrical output drive (IO = ±25 mA), balanced rise/fall times, and latch-up immunity exceeding 100 mA per JESD78 Class II Level A - making it suitable for robust interfacing in mixed-voltage embedded systems without external protection circuitry.

Key Specifications

Pinout & Package

The 74AHC1G17GV is housed in a 5-pin SC-74A (SOT753) surface-mount plastic package measuring 3.1 mm × 1.7 mm × 1.3 mm, optimized for space-constrained PCB layouts and reflow-compatible assembly.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 74AHCT1G17GV and SN74LVC1G17DBVR, the 74AHC1G17GV offers superior hysteresis (1.6 V) and lower quiescent current at 3.3 V, making it optimal for noise-critical, battery-sensitive industrial sensing nodes where signal integrity outweighs raw speed.

Availability

74AHC1G17GV is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and IoT sensor node designs requiring stable component supply across extended temperature and mixed-voltage environments.

Supply support for 74AHC1G17GV 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, energy-efficient logic, analog, and discrete components - headquartered in Nijmegen, Netherlands, with manufacturing in Europe and Asia.

The 74AHC series targets industrial and automotive applications demanding wide supply range, high noise immunity, and extended temperature operation - designed specifically for robust signal conditioning in harsh electromagnetic environments.

FAQ

What is the maximum input voltage the 74AHC1G17GV can tolerate when VCC = 3.3 V?

The 74AHC1G17GV supports input voltages up to 5.5 V regardless of VCC level - confirmed in Table 5 (Limiting Values) and Section 1 General Description. This overvoltage tolerance enables safe interfacing with 5 V signals while operating from a 3.3 V supply, eliminating external clamping components in mixed-voltage designs.

Can the 74AHC1G17GV drive a 50 pF load at 5 MHz with VCC = 5.0 V?

Yes. At VCC = 5.0 V and CL = 50 pF, the typical propagation delay is 4.6 ns (Table 9), and output drive capability is ±25 mA (Table 5). With a 5 MHz square wave (200 ns period), the device delivers full logic swings with >15× timing margin - verified by dynamic characteristics data and supported by CPD = 12 pF for accurate power estimation.

Is Pin 1 of the SOT753 package marked, and how is it identified?

Yes. Per Table 2 (Marking codes), the 74AHC1G17GV is marked "A17" on the top surface. As stated in footnote [1] of Table 2, the pin 1 indicator is located on the lower left corner of the device, below the marking code - visible as a small bevel, dot, or notch aligned with the "A17" text on the SC-74A package body.

Does the 74AHC1G17GV require external pull-up or pull-down resistors on its input or output?

No. The device features a fully buffered CMOS input with defined Schmitt thresholds and a push-pull CMOS output capable of sourcing/sinking ±25 mA. Neither input nor output requires external termination resistors - unless specific bus-termination or impedance-matching requirements exist in the target application, which are external to the IC's functional specification.