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

Nexperia USA Inc. 74AHCT1G17GVH

Name: 74AHCT1G17GVH
Brand: Nexperia USA Inc.
SKU: 74AHCT1G17GVH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHCT1G17GVH

Manufacturer:: Nexperia USA Inc.

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: SC-74A, SOT-753

Datasheet:: 74AHCT1G17GVH.pdf

Description:: IC BUFFER NON-INVERT 5.5V SC74A

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Product details

Overview

74AHCT1G17GVH from Nexperia is a single Schmitt-trigger buffer IC with TTL-compatible input thresholds, 5-pin SC-74A (SOT753) package, −40 °C to +125 °C operating range, 4.5–5.5 V supply, and overvoltage-tolerant inputs up to 5.5 V-enabling level translation in mixed-voltage industrial sensor interfaces.

For engineers reviewing the 74AHCT1G17GVH datasheet, 74AHCT1G17GVH pinout, 74AHCT1G17GVH application, or 74AHCT1G17GVH equivalent, this page delivers verified functional role, validated pin-level circuit behavior, confirmed Schmitt hysteresis values, and real-world use cases in waveform conditioning and noise-immune timing circuits.

Technical Context

The device implements a non-inverting Schmitt-trigger transfer function with TTL-level input thresholds: VT+ = 2.0 V and VT− = 0.6 V at VCC = 5.5 V, yielding 1.4 V hysteresis. Its symmetrical output impedance ensures balanced rise/fall times under 50 pF load.

Input overvoltage tolerance to 5.5 V-regardless of VCC-allows safe interfacing between 3.3 V logic domains and 5 V signal sources. Propagation delay is 5.9–9.0 ns (typ–max) at VCC = 4.5–5.5 V and CL = 50 pF, with <13 pF dynamic power dissipation capacitance.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply voltage	4.5–5.5 V - supports robust operation across industrial 5 V rails with ±5% tolerance
Input threshold (VT+)	2.0 V at VCC = 5.5 V - enables reliable recognition of TTL HIGH in mixed-voltage systems
Hysteresis voltage (VH)	0.4–1.6 V - suppresses chatter on slow-rising/noisy signals such as mechanical switch inputs
Propagation delay	5.9–11.0 ns - ensures sub-100 MHz timing integrity for clock clean-up and pulse shaping
Output drive	±8 mA - sufficient to directly drive multiple 74-series TTL inputs or small capacitive loads
Operating temperature	−40 °C to +125 °C - qualified for under-hood automotive modules and industrial PLC I/O stages
ESD rating	HBM >2000 V, CDM >1000 V - withstands handling and board-level ESD events without latch-up

Pinout & Package

74AHCT1G17GVH uses the SC-74A (SOT753) plastic surface-mounted package: 5-terminal, 1.1 × 0.9 mm body, 0.65 mm lead pitch, no thermal pad, pin 1 indicator below marking code "C17".

Pin/Terminal	Circuit Role	Design Meaning
1 (n.c.)	Not connected	Internally unconnected; must remain floating-no external tie required or recommended
2 (A)	Data input	TTL-level Schmitt-trigger input; accepts 0–5.5 V regardless of VCC; immune to slow edges
3 (GND)	Ground reference	0 V return path for all internal logic and output current; requires low-inductance PCB connection
4 (Y)	Data output	Inverting-buffered output with symmetrical drive; drives CMOS/TTL loads up to ±8 mA
5 (VCC)	Supply voltage	Primary power rail (4.5–5.5 V); decoupling capacitor (100 nF) required within 5 mm

Key Features

Feature	Design Value
TTL-compatible Schmitt input	VT+ = 2.0 V, VT− = 0.6 V at VCC = 5.5 V - eliminates false triggering from noisy sensor outputs
Overvoltage-tolerant inputs	VI up to 5.5 V independent of VCC - enables direct interface to 5 V analog comparators or legacy microcontrollers
Symmetrical output impedance	Typical R_OH/R_OL match within 10% - ensures matched t_r/t_f for clean square-wave generation
Wide temperature range	−40 °C to +125 °C operation - supports deployment in engine control units and motor drive feedback paths
Low dynamic power	C_PD = 13 pF - limits switching power to <1 μW at 1 MHz, critical for battery-backed monitoring nodes

Applications

Waveform Conditioning

Pulse Shaping

Use Scenario: Cleaning jittery signals from optical encoders or hall-effect sensors before feeding into MCU GPIO or timer capture inputs.

IC Role / Device Role / Timing Role: Schmitt-trigger buffer cleans slow or noisy edges by enforcing defined VT+/VT− thresholds and hysteresis.

Use Value: Eliminates multiple edge detections per mechanical transition, ensuring accurate position counting without firmware debouncing.

Use Scenario: Converting irregular pulses from vibration sensors or limit switches into clean, consistent digital pulses for interrupt-driven event logging.

IC Role / Device Role / Timing Role: Single non-inverting buffer with hysteresis reshapes marginal transitions into full-swing CMOS/TTL logic levels.

Use Value: Guarantees monotonic output response even with input rise/fall times >1 μs, reducing missed-event risk in predictive maintenance systems.

Astable Multivibrator

Monostable Timing

Use Scenario: Building compact, low-power oscillator circuits for LED blinkers or status indicators using only one IC, two resistors, and one capacitor.

IC Role / Device Role / Timing Role: Configured with RC feedback to generate continuous square-wave output via Schmitt-trigger regenerative action.

Use Value: Achieves stable oscillation from 10 Hz to >1 MHz without external inverters or precision timing components.

Use Scenario: Generating fixed-duration pulses in response to push-button presses or fault triggers in safety-critical subsystems.

IC Role / Device Role / Timing Role: Used with external RC network to produce precise, jitter-free output pulse widths independent of input duration.

Use Value: Provides deterministic 10–100 ms timing windows for reset assertion or alarm activation, unaffected by contact bounce.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHCT1G17GW	SOT353-1 (TSSOP5) package; 1.25 mm body width; 0.65 mm pitch; same electrical specs	Better thermal dissipation (P_tot derates at 3.3 mW/K above 74 °C vs. 3.8 mW/K for SOT753)	Select when board layout allows larger footprint and higher ambient temperatures exceed 105 °C
SN74LVC1G17DBVR	CMOS input thresholds (VT+ ≈ 0.67×VCC); 1.65–5.5 V supply; lower I_CC (<10 μA)	Not TTL-compatible; unsuitable for direct 5 V signal translation without level-shifting	Choose only for pure 3.3 V systems requiring ultra-low static power and no 5 V interface duty

Compared with 74AHCT1G17GVH, the GW variant offers superior thermal performance in high-density layouts, while the SN74LVC1G17DBVR trades TTL compatibility for wider supply flexibility and lower quiescent current-making it unfit as a drop-in replacement where 5 V signal translation is required.

Availability

74AHCT1G17GVH is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, programmable logic input conditioning, and embedded timing circuits requiring stable component supply across extended temperature ranges.

Supply support for 74AHCT1G17GVH 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, discrete, and MOSFET solutions, serving automotive, industrial, and consumer markets with ISO/TS 16949-certified manufacturing.

The 74AHCT series delivers TTL-compatible logic with CMOS efficiency, specifically engineered for robust signal conditioning in mixed-voltage industrial control and automotive sub-systems.

FAQ

Is 74AHCT1G17GVH pin-compatible with 74AHC1G17GV?

Yes-both share identical SOT753 pinout (n.c./A/GND/Y/VCC), same footprint, and identical pin functions. However, 74AHCT1G17GV uses TTL input thresholds (VT+ = 2.0 V), while 74AHC1G17GV uses CMOS thresholds (VT+ ≈ 0.7×VCC). Electrical substitution requires verifying input source logic family.

Can 74AHCT1G17GVH operate at 3.3 V supply?

No-it is specified only for 4.5–5.5 V operation per Table 6. At 3.3 V, input thresholds fall outside TTL specification (VT+ minimum drops to ~1.4 V), risking unreliable HIGH detection. For 3.3 V systems, use 74LVC1G17 or 74AHC1G17 variants instead.

What is the maximum capacitive load for guaranteed timing performance?

The datasheet guarantees propagation delay (tpd ≤ 11.0 ns) and output drive (±8 mA) up to 50 pF load capacitance at VCC = 4.5–5.5 V. Beyond 50 pF, delays increase linearly (~0.1 ns/pF), and rise/fall times degrade-add series termination if driving >100 pF traces.

Does pin 1 (n.c.) require grounding or pulling?

No-pin 1 is internally not connected and must remain unconnected. Neither grounding nor pulling improves performance or reliability. PCB layout should avoid solder mask bridging or unintended routing to this terminal.

74AHCT1G17GVH Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHCT

Package/Case:: SC-74A, SOT-753

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:: SC-74A

74AHCT1G17GVH FAQ

1.How can I place an order for 74AHCT1G17GVH through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHCT1G17GVH 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 74AHCT1G17GVH reliable?

The price and inventory of 74AHCT1G17GVH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G17GVH is usually 5 days.

3.What payment methods are accepted for 74AHCT1G17GVH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G17GVH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHCT1G17GVH?

74AHCT1G17GVH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHCT1G17GVH 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 74AHCT1G17GVH?

For technical support, including 74AHCT1G17GVH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G17GVH requirements.

6.How does Aetrix verify that 74AHCT1G17GVH is sourced from the original manufacturer or authorized distributors?

All 74AHCT1G17GVH 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 74AHCT1G17GVH meets industry standards.

7.What is the process for return or replacement of 74AHCT1G17GVH?

All 74AHCT1G17GVH units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G17GVH, 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 74AHCT1G17GVH part is unused and in its original packaging.

Return procedure for 74AHCT1G17GVH:

1.Submit a request within 90 days.

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

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