Nexperia USA Inc. 74AHCT1G17GW-Q100H
- Part No.:
- 74AHCT1G17GW-Q100H
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74AHCT1G17GW-Q100H.pdf
- Description:
- IC BUF NON-INVERT 5.5V 5TSSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
74AHCT1G17GW-Q100 from Nexperia is a single-channel Schmitt-trigger buffer with TTL-compatible input thresholds, AEC-Q100 Grade 1 qualification (-40 °C to +125 °C), 2.0–5.5 V supply range, overvoltage-tolerant inputs (up to 5.5 V), and TSSOP5 (SOT353-1) packaging. It functions as a noise-immune signal conditioner in automotive sensor interface and digital control subsystems.
For engineers reviewing the 74AHCT1G17GW-Q100 datasheet, 74AHCT1G17GW-Q100 pinout, 74AHCT1G17GW-Q100 application, or 74AHCT1G17GW-Q100 equivalent, key selection criteria include TTL-level input compatibility, hysteresis voltage (0.4–1.6 V), propagation delay (4.1–9.0 ns at 5 V), output drive capability (±8 mA), and automotive-grade thermal and ESD robustness (HBM >2000 V).
Technical Context
This device implements a non-inverting Schmitt-trigger transfer function with distinct positive-going (VT+ = 2.0 V at VCC = 5.5 V) and negative-going (VT− = 0.6 V at VCC = 5.5 V) input thresholds, delivering 1.4 V hysteresis for reliable noise rejection on slow-rising signals. Its TTL-level input stage enables direct interfacing with legacy 5 V logic while operating from mixed-supply rails.
Internally, it uses CMOS circuitry with symmetrical output impedance and balanced propagation delays (tPLH ≈ tPHL), ensuring minimal duty-cycle distortion in waveform shaping applications. Input clamping and latch-up immunity (>100 mA per JESD78 Class II Level A) support robust operation in electrically noisy automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5–5.5 V - Ensures compatibility with standard 5 V automotive microcontroller I/O domains. |
| Input Threshold (VT+) | 2.0 V at VCC = 5.5 V - Matches TTL HIGH recognition level for seamless 5 V logic interfacing. |
| Hysteresis Voltage (VH) | 0.4–1.6 V - Provides noise margin against EMI-induced glitches on sensor or switch inputs. |
| Propagation Delay | 4.1–9.0 ns (CL = 15–50 pF, VCC = 4.5–5.5 V) - Supports clean edge regeneration up to ~100 MHz clock rates. |
| Output Drive | ±8.0 mA - Sufficient to drive multiple 74-series inputs or small capacitive loads (<50 pF) without buffering. |
| Operating Temperature | −40 °C to +125 °C - Qualified for under-hood and powertrain control unit deployment. |
| ESD Protection | HBM >2000 V, CDM >1000 V - Meets stringent automotive board-level ESD requirements per JS-001/JS-002. |
Pinout & Package
TSSOP5 package (SOT353-1): plastic thin shrink small outline, 5-lead, 1.25 mm body width, 0.65 mm pitch, exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | n.c. | No internal connection - left unconnected; no routing or grounding required. |
| 2 | A | True-logic input with Schmitt-trigger hysteresis - accepts slow or noisy signals without chatter. |
| 3 | GND | Ground reference (0 V) - must be low-impedance connection to minimize switching noise coupling. |
| 4 | Y | Inverted-logic output - provides rail-to-rail CMOS-compatible output swing with ±8 mA drive. |
| 5 | VCC | Positive supply rail - decoupling capacitor (100 nF) required within 5 mm of this pin. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use across −40 °C to +125 °C ambient, including lifetime reliability testing. |
| TTL-level input compatibility | VT+ = 2.0 V and VT− = 0.6 V at 5.5 V - enables direct connection to legacy 5 V microcontrollers and peripherals. |
| Overvoltage-tolerant inputs | Withstands up to 5.5 V regardless of VCC (2.0–5.5 V) - allows safe interfacing between disparate voltage domains. |
| High noise immunity | 1.4 V typical hysteresis at 5.5 V - suppresses false triggering from EMI, crosstalk, or contact bounce. |
| Symmetrical output impedance | Matched pull-up/pull-down strength - preserves signal integrity and minimizes duty-cycle distortion. |
Applications
| Waveform Shaping | Pulse Conditioning |
|---|---|
|
Use Scenario: Converting slow-rising analog sensor outputs (e.g., throttle position potentiometer wipers) into clean digital edges for MCU capture. IC Role / Device Role / Timing Role: Signal conditioning buffer with hysteresis - transforms analog transitions into monotonic, chatter-free logic pulses. Use Value: Eliminates multiple edge detection caused by mechanical bounce or EMI, reducing firmware debouncing overhead and improving timing accuracy. |
Use Scenario: Cleaning up noisy switch inputs (e.g., door latch, seatbelt buckle) before feeding to body control module interrupt pins. IC Role / Device Role / Timing Role: Digital input conditioner - rejects sub-microsecond transients while preserving valid state changes. Use Value: Prevents spurious wake-ups and false fault reporting, enhancing system reliability and diagnostic confidence. |
| Astable Multivibrator | Monostable Timing Circuit |
|
Use Scenario: Building compact RC-based oscillators for LED flashers or audible alerts in instrument clusters. IC Role / Device Role / Timing Role: Inverting feedback element with hysteresis - sets stable oscillation frequency via external R/C network. Use Value: Enables low-BOM-count timing without dedicated oscillator ICs; frequency stability improved by input threshold consistency. |
Use Scenario: Generating fixed-duration enable pulses for solenoid drivers or fan controllers triggered by momentary user inputs. IC Role / Device Role / Timing Role: Edge-triggered pulse stretcher - converts short button presses into deterministic, jitter-free output windows. Use Value: Guarantees minimum actuation time independent of press duration, preventing partial activation or coil demagnetization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt-trigger buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74AHCT1G17GZ-Q100 | XSON5 (SOT8065-1) package: 1.1 × 0.85 × 0.5 mm, side-wettable flanks, no leads - smaller footprint, enhanced thermal dissipation. | Better suited for space-constrained PCBs and reflow-soldering processes requiring IPC-A-610-compliant inspection. | Select when board area is critical and automated optical inspection (AOI) of solder joints is required. |
| 74AHC1G17GW-Q100 | CMOS-level inputs (VT+ = 3.85 V at 5.5 V), higher noise margin but incompatible with TTL sources. | Used where input signals originate from 3.3 V or 5 V CMOS logic, not legacy TTL peripherals. | Choose only if driving source is CMOS-compatible; not interchangeable with 74AHCT1G17GW-Q100 in TTL systems. |
Compared with 74AHCT1G17GZ-Q100, the GW variant offers easier manual rework and legacy test fixture compatibility; versus 74AHC1G17GW-Q100, it enables direct TTL interfacing without level-shifting, making it the sole choice for mixed-voltage automotive control modules.
Availability
74AHCT1G17GW-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, powertrain sensor interfaces, and infotainment system I/O conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74AHCT1G17GW-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 logic, discrete, and MOSFET solutions, with deep expertise in automotive-qualified components.
This device belongs to Nexperia's AEC-Q100-qualified 74AHCT logic family, engineered specifically for robust signal conditioning in automotive ECUs where noise immunity, voltage translation, and thermal resilience are critical.
FAQ
What is the maximum input voltage the 74AHCT1G17GW-Q100 can tolerate?
The device supports overvoltage-tolerant inputs up to 5.5 V regardless of VCC setting (2.0–5.5 V), enabling safe interfacing with 5 V signals even when powered from lower rails like 3.3 V. This is confirmed in Table 5 (Limiting Values) and Section 1 General Description of the datasheet.
Does this part support operation at 3.3 V supply?
No - the 74AHCT1G17GW-Q100 is specified only for 4.5–5.5 V operation (Table 6). For 3.3 V systems, the 74AHC1G17GW-Q100 variant (CMOS-input version) is recommended, though it lacks TTL-level compatibility.
How does the Schmitt trigger hysteresis improve performance in automotive environments?
With VT+ = 2.0 V and VT− = 0.6 V at 5.5 V (Table 8), the 1.4 V hysteresis prevents false toggling from conducted EMI, alternator ripple, or switch contact bounce - directly addressing noise challenges documented in Section 13 Application Information and Figure 14.
Is pin 1 marked on the SOT353-1 package?
Yes - per Table 2 and Figure 15, the marking code "CJ" appears adjacent to pin 1, which is located in the lower-left corner of the device body below the marking, consistent with JEDEC-standard TSSOP orientation.
74AHCT1G17GW-Q100H 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSSOP
74AHCT1G17GW-Q100H FAQ
1.How can I place an order for 74AHCT1G17GW-Q100H through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHCT1G17GW-Q100H 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 74AHCT1G17GW-Q100H reliable?
The price and inventory of 74AHCT1G17GW-Q100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G17GW-Q100H is usually 5 days.
3.What payment methods are accepted for 74AHCT1G17GW-Q100H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G17GW-Q100H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHCT1G17GW-Q100H?
74AHCT1G17GW-Q100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHCT1G17GW-Q100H 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 74AHCT1G17GW-Q100H?
For technical support, including 74AHCT1G17GW-Q100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G17GW-Q100H requirements.
6.How does Aetrix verify that 74AHCT1G17GW-Q100H is sourced from the original manufacturer or authorized distributors?
All 74AHCT1G17GW-Q100H 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 74AHCT1G17GW-Q100H meets industry standards.
7.What is the process for return or replacement of 74AHCT1G17GW-Q100H?
All 74AHCT1G17GW-Q100H units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G17GW-Q100H, 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 74AHCT1G17GW-Q100H part is unused and in its original packaging.
Return procedure for 74AHCT1G17GW-Q100H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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