Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Nexperia USA Inc. 74AHCT1G17GWH

Name: 74AHCT1G17GWH
Brand: Nexperia USA Inc.
SKU: 74AHCT1G17GWH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: 74AHCT1G17GWH

Manufacturer:: Nexperia USA Inc.

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 5-TSSOP, SC-70-5, SOT-353

Datasheet:: 74AHCT1G17GWH.pdf

Description:: IC BUF NON-INVERT 5.5V 5TSSOP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:6,334

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

74AHCT1G17GWH from Nexperia is a single Schmitt-trigger buffer IC with TTL-compatible input thresholds, 5-pin TSSOP5 (SOT353-1) package, -40 °C to +125 °C operating range, and overvoltage-tolerant inputs up to 5.5 V. It functions as a noise-immune signal conditioner in mixed-voltage digital interfaces, enabling clean waveform shaping in industrial control timing circuits.

For engineers reviewing the 74AHCT1G17GWH datasheet, 74AHCT1G17GWH pinout, 74AHCT1G17GWH application, or 74AHCT1G17GWH equivalent, key selection criteria include its 4.5–5.5 V supply range, 2.0 V typical positive-going threshold (VT+), 0.5 V hysteresis (VH), 7.0 ns max propagation delay at 5 V/50 pF, and SOT353-1 thermal profile for space-constrained PCB layouts.

Technical Context

This device implements a non-inverting Schmitt-trigger transfer function with asymmetric input thresholds-VT+ = 2.0 V and VT− = 0.6 V at VCC = 5.5 V-providing 1.4 V hysteresis to reject slow-rising noise on digital control lines. Its TTL-level input compatibility ensures direct interfacing with legacy 5 V logic families without level-shifting circuitry.

The output stage delivers symmetrical drive capability (±8 mA at VCC = 4.5 V), matched rise/fall times, and low dynamic power dissipation (CPD = 13 pF). Input clamping current is rated to ±20 mA, supporting robust operation under transient overvoltage conditions up to 7.0 V absolute maximum.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5–5.5 V: Ensures compatibility with standard 5 V TTL systems and stable operation across industrial voltage tolerances.
Input Threshold (VT+)	2.0 V min at VCC = 5.5 V: Guarantees reliable HIGH detection from TTL outputs while rejecting sub-threshold noise.
Hysteresis (VH)	0.4–1.6 V: Provides noise margin against EMI-induced glitches on slow-slew signals like reset or enable lines.
Propagation Delay	9.0 ns max at VCC = 5.5 V, CL = 50 pF: Enables use in sub-100 MHz clock conditioning and pulse edge sharpening.
Output Drive	±8.0 mA at VCC = 4.5 V: Supports fan-out of ≥10 LS-TTL loads or direct driving of small capacitive loads (<50 pF).
Operating Temperature	-40 °C to +125 °C: Validated for under-hood automotive modules, motor drives, and industrial PLC I/O stages.
ESD Protection	HBM >2000 V, CDM >1000 V: Reduces need for external protection in board-level ESD-prone environments.

Pinout & Package

74AHCT1G17GWH is housed in a 5-lead TSSOP5 (SOT353-1) package measuring 2.2 mm × 1.3 mm × 0.95 mm with 0.65 mm lead pitch and exposed pad-less construction. Pin 1 is marked by a lower-left corner index notch below the "CJ" top-side marking.

Pin/Terminal	Circuit Role	Design Meaning
1	Not connected (n.c.)	Internally unconnected; must remain floating-no PCB trace or solder mask opening required.
2	Data input (A)	TTL-level Schmitt-trigger input; accepts 0–5.5 V with overvoltage tolerance independent of VCC.
3	Ground (GND)	Reference return path for all internal logic and output drivers; requires low-impedance connection to system ground plane.
4	Data output (Y)	Inverting-buffered output with rail-to-rail swing (0 V to VCC); drives capacitive loads up to 50 pF within spec.
5	Supply (VCC)	Primary power rail; decoupling capacitor (100 nF ceramic) required within 3 mm of this pin for stable switching.

Key Features

Feature	Design Value
TTL-compatible Schmitt input	VT+ = 2.0 V / VT− = 0.6 V at 5.5 V enables direct interface with 74LS/74F series without pull-ups or level shifters.
Overvoltage-tolerant inputs	Withstands 5.5 V input regardless of VCC (2.0–5.5 V), allowing safe use in mixed-supply domains like 3.3 V MCU controlling 5 V peripherals.
Symmetrical output impedance	Matched pull-up/pull-down strength ensures consistent rise/fall times and minimizes duty-cycle distortion in clock reshaping.
High noise immunity	1.4 V hysteresis at 5.5 V suppresses >100 mV peak-to-peak noise on slow edges (e.g., mechanical switch bounce or long traces).
Extended temperature range	Specified from -40 °C to +125 °C supports deployment in engine control units, power inverters, and outdoor industrial gateways.

Applications

Waveform Shaping

Astable Multivibrator

Use Scenario: Converting noisy, slow-rising analog sensor outputs (e.g., thermistor-based temperature monitoring) into clean digital pulses for microcontroller GPIO capture.

IC Role / Device Role / Timing Role: Single-stage Schmitt trigger buffer that squares up irregular waveforms while rejecting sub-threshold interference.

Use Value: Eliminates need for external RC filtering and comparator biasing, reducing BOM count and layout area by 30% versus discrete solutions.

Use Scenario: Generating precise square-wave clocks for LED flash timing or PWM dimming in battery-powered lighting modules.

IC Role / Device Role / Timing Role: Core feedback element in a two-gate relaxation oscillator, leveraging internal hysteresis to define frequency-determining RC time constant.

Use Value: Enables oscillator stability within ±5% over temperature without trimming components, unlike basic inverters lacking hysteresis.

Monostable Multivibrator

Digital Input Conditioning

Use Scenario: Creating fixed-duration pulses from momentary push-button presses in human-machine interface panels for HVAC controllers.

IC Role / Device Role / Timing Role: Trigger input stage that converts debounced mechanical transitions into sharp-edged triggers for external monostable ICs or MCU interrupt pins.

Use Value: Reduces false triggering from contact bounce by >99.9%, eliminating software debounce overhead and improving real-time response latency.

Use Scenario: Cleaning up marginal logic levels from legacy industrial fieldbus transceivers (e.g., RS-485 receivers) before feeding FPGA configuration pins.

IC Role / Device Role / Timing Role: Level translator and noise filter between non-standard voltage domains, ensuring valid logic interpretation despite signal degradation.

Use Value: Prevents configuration lockup due to metastability, increasing system uptime by removing intermittent boot failures in mission-critical infrastructure.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC1G17DBVR	CMOS input thresholds (VT+ ≈ 0.67×VCC); 1.65–5.5 V supply; 3.5 ns typ tpd at 3.3 V	Better suited for 1.8/3.3 V-only systems; lacks TTL-level compatibility	Select when interfacing exclusively with modern low-voltage MCUs and no legacy 5 V logic is present.
MC74VHC1G17DTT1G	Wider supply range (2.0–5.5 V); identical TTL thresholds; 7.5 ns max tpd at 5 V/50 pF; SOT-23-5 package	Same functional behavior but different footprint; requires PCB redesign for pad layout	Choose only if SOT-23-5 is already standardized in your assembly process and TSSOP5 is unavailable.

Compared with SN74LVC1G17DBVR and MC74VHC1G17DTT1G, the 74AHCT1G17GWH uniquely combines guaranteed TTL-level input recognition, overvoltage-tolerant inputs, and SOT353-1's compact thermal profile-making it optimal for retrofitting 5 V industrial controls where signal integrity and legacy compatibility are non-negotiable.

Availability

74AHCT1G17GWH is available at Aetrix Electronics and suitable for industrial automation interfaces, automotive body control modules, and consumer appliance timing circuits requiring stable component supply across extended temperature ranges.

Supply support for 74AHCT1G17GWH 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 high-volume, high-reliability logic, analog, and MOSFET solutions, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.

The 74AHCT series targets robust digital interfacing in harsh environments, delivering TTL-compatible logic with enhanced noise immunity and extended temperature operation-designed specifically for industrial control, motor drive, and automotive subsystem applications.

FAQ

What is the maximum input voltage the 74AHCT1G17GWH can tolerate?

The 74AHCT1G17GWH supports input voltages up to 5.5 V regardless of VCC level, per its overvoltage-tolerant input specification. This allows safe operation when interfacing with 5 V signals even when powered from 3.3 V, eliminating risk of latch-up or damage during mixed-supply transitions.

Can the 74AHCT1G17GWH operate at 3.3 V supply?

No-the 74AHCT1G17GWH is specified only for 4.5–5.5 V operation. Its TTL-compatible input thresholds require minimum 4.5 V VCC to guarantee proper VT+ and VT− behavior. For 3.3 V systems, use the 74AHC1G17 variant or LVC-series alternatives with CMOS thresholds.

Is Pin 1 of the SOT353-1 package internally connected?

No-Pin 1 is explicitly designated "n.c." (not connected) in the official Nexperia datasheet. It is an unused terminal with no internal bond wire or silicon connection; PCB layout must leave it unconnected and avoid solder mask openings or copper traces.

How does the hysteresis improve performance in noisy environments?

The 74AHCT1G17GWH provides 0.4–1.6 V hysteresis (VH), meaning the input must drop below VT− (e.g., 0.6 V) to deassert after crossing VT+ (e.g., 2.0 V). This prevents multiple toggles from noise spikes smaller than VH, effectively eliminating chatter on slow edges like switch closures or long cable runs.

74AHCT1G17GWH Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHCT

Package/Case:: 5-TSSOP, SC-70-5, SOT-353

Packaging:: Tape & Reel (TR)

Product Status:: Active

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 1

Number of Bits per Element:: 1

Input Type:: Schmitt Trigger

Output Type:: -

Current - Output High, Low:: 8mA, 8mA

Voltage - Supply:: 4.5V ~ 5.5V

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 5-TSSOP

74AHCT1G17GWH FAQ

1.How can I place an order for 74AHCT1G17GWH through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHCT1G17GWH on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 74AHCT1G17GWH reliable?

The price and inventory of 74AHCT1G17GWH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G17GWH is usually 5 days.

3.What payment methods are accepted for 74AHCT1G17GWH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G17GWH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHCT1G17GWH?

74AHCT1G17GWH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHCT1G17GWH order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 74AHCT1G17GWH?

For technical support, including 74AHCT1G17GWH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G17GWH requirements.

6.How does Aetrix verify that 74AHCT1G17GWH is sourced from the original manufacturer or authorized distributors?

All 74AHCT1G17GWH products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74AHCT1G17GWH meets industry standards.

7.What is the process for return or replacement of 74AHCT1G17GWH?

All 74AHCT1G17GWH units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G17GWH, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 74AHCT1G17GWH part is unused and in its original packaging.

Return procedure for 74AHCT1G17GWH:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…