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Nexperia USA Inc. 74HCT1G14GW,125
- Part No.:
- 74HCT1G14GW,125
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74HCT1G14GW,125.pdf
- Description:
- IC INVERT SCHMITT 1CH 1IN 5TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:46,412
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Product details
Overview
74HCT1G14GW,125 from Nexperia is a single-channel CMOS inverting Schmitt trigger with TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5 V), 5-pin TSSOP5 package, ±2.0 mA output drive at 4.5 V, and guaranteed operation from −40 °C to +125 °C - used for noise-immune signal conditioning in industrial sensor interfaces and reset debouncing circuits.
For engineers reviewing the 74HCT1G14GW,125 datasheet, 74HCT1G14GW,125 pinout, 74HCT1G14GW,125 application, or 74HCT1G14GW,125 equivalent, key selection criteria include TTL-level input compatibility, hysteresis voltage (0.4–0.9 V typ at 4.5–5.5 V), propagation delay (17–51 ns at CL = 50 pF), supply range (4.5–5.5 V), and thermal rating (−40 °C to +125 °C).
Technical Context
The 74HCT1G14GW,125 implements a single inverter stage with Schmitt-trigger input circuitry that provides defined hysteresis (VH = 0.4–0.9 V) to reject analog noise on slow-rising/falling signals. Its TTL-compatible input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V at VCC = 4.5 V) ensure interoperability with legacy 5 V logic families.
Internally, it uses standard CMOS transistor pairs with input clamp diodes enabling safe interfacing to voltages exceeding VCC when current-limiting resistors are applied. Output stage delivers symmetrical sourcing/sinking capability (±2.0 mA at VCC = 4.5 V) and balanced propagation delays (tPLH ≈ tPHL).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Inverting Schmitt trigger - converts noisy or slow analog-like inputs into clean digital outputs with jitter-free edges. |
| Supply Voltage Range | 4.5 V to 5.5 V - matches standard 5 V TTL systems and ensures stable operation across industrial voltage tolerances. |
| Hysteresis Voltage (VH) | 0.4 V to 0.9 V (typ at VCC = 4.5–5.5 V) - enables reliable noise margin of ≥300 mV against EMI in sensor or switch inputs. |
| Propagation Delay | 17–51 ns (CL = 50 pF, VCC = 4.5 V) - supports signal conditioning up to ~10 MHz edge rates in timing-critical debounce paths. |
| Output Drive | ±2.0 mA (VOH/VOL at VCC = 4.5 V) - sufficient to directly drive one 74-series TTL input or small capacitive loads (<20 pF). |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive modules, industrial PLC I/O, and high-ambient embedded control. |
| Input Thresholds | VIH = 2.0 V min, VIL = 0.8 V max (VCC = 4.5 V) - guarantees robust recognition of TTL logic levels without level-shifting. |
Pinout & Package
TSSOP5 (SOT353-1) plastic thin shrink small outline package: 5-lead, 1.25 mm body width, 0.65 mm lead pitch, exposed pad not present, JEDEC-compliant footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | n.c. | No internal connection - left unconnected; no routing or pull-up/pull-down required. |
| 2 | A | Inverting Schmitt trigger input - accepts TTL-level signals; clamp diodes allow overvoltage tolerance with series resistor. |
| 3 | GND | Digital ground reference - must be low-impedance return path for output switching current and input bias. |
| 4 | Y | Inverted output - provides rail-to-rail CMOS-compatible logic swing with symmetrical rise/fall times. |
| 5 | VCC | Positive supply - decoupling capacitor (100 nF ceramic) required within 5 mm for stable noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible input levels | Ensures plug-in compatibility with legacy 5 V microcontrollers, FPGAs, and logic families without level shifters. |
| Input clamp diodes | Permits safe interface to signals up to VCC + 0.5 V using external current-limiting resistors - eliminates need for external protection. |
| Unlimited input rise/fall times | Enables reliable operation with mechanical switch bounce, thermistor outputs, or RC-filtered sensor signals without timing constraints. |
| Latch-up immunity >100 mA | Guarantees robustness against transient current faults per JESD78 Class II Level B - critical for industrial field I/O. |
| ESD protection HBM >2000 V | Reduces risk of handling damage during PCB assembly and field maintenance without additional TVS components. |
Applications
| Waveform Shaping | Pulse Debouncing |
|---|---|
|
Use Scenario: Converting slowly varying analog sensor outputs (e.g., thermistor divider, photodiode amplifier) into clean square-wave logic signals for MCU capture. IC Role / Device Role / Timing Role: Signal conditioner that transforms analog transitions into deterministic digital edges via hysteresis. Use Value: Eliminates false triggers caused by noise or slow slew rates - enables accurate zero-crossing detection in HVAC control loops. |
Use Scenario: Cleaning mechanical switch or relay contact bounce before feeding to interrupt pins or state machines in industrial HMIs. IC Role / Device Role / Timing Role: Input filter with built-in hysteresis that suppresses sub-millisecond transients without external RC networks. Use Value: Reduces firmware complexity by offloading hardware debouncing - cuts CPU interrupt load and prevents spurious edge captures. |
| Astable Oscillator | Reset Synchronization |
|
Use Scenario: Building compact relaxation oscillators for LED flashers, clock sources, or timing references in space-constrained modules. IC Role / Device Role / Timing Role: Core inverting element in RC feedback loop - defines frequency via K-factor (0.4–1.2 at VCC = 4.5–5.5 V). Use Value: Enables self-timed operation without crystal or external timer IC - reduces BOM count and board area in cost-sensitive designs. |
Use Scenario: Conditioning power-on reset (POR) or brown-out detector outputs before entering FPGA configuration or microcontroller boot sequence. IC Role / Device Role / Timing Role: Noise-immune inverter that sharpens slow POR voltage ramps into monotonic reset pulses. Use Value: Prevents metastability and partial initialization by ensuring clean, glitch-free reset assertion - improves system reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt trigger inverter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G14DBVR | Wider VCC range (1.65–5.5 V); CMOS input thresholds; lower ICC (max 10 μA); smaller SC-70 package. | Better suited for mixed-voltage 3.3 V/5 V systems but lacks native TTL input compatibility. | Select when operating below 4.5 V or integrating with LVC-family logic; verify VIH/VIL margins with driving source. |
| MC74VHC1G14DTT1G | Wider VCC (2.0–5.5 V); higher drive (±8 mA); faster tpd (6.5 ns typ at CL = 50 pF); same TSSOP5 footprint. | Higher speed and drive support active termination or longer traces but increases dynamic power at high frequencies. | Choose for high-speed signal integrity needs (e.g., clock distribution) where 74HCT's TTL compatibility is unnecessary. |
Compared with SN74LVC1G14DBVR and MC74VHC1G14DTT1G, the 74HCT1G14GW,125 uniquely balances TTL-level input compatibility, industrial temperature range, and proven noise immunity - making it optimal for legacy 5 V system upgrades and ruggedized sensor front-ends.
Availability
74HCT1G14GW,125 is available at Aetrix Electronics and suitable for industrial sensor interfaces, reset debouncing circuits, and relaxation oscillator designs requiring stable component supply across extended temperature ranges.
Supply support for 74HCT1G14GW,125 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 74HCT1G14GW,125 belongs to Nexperia's 74HCT logic family, engineered specifically for robust 5 V TTL interoperability and noise-immune signal conditioning in harsh environments.
FAQ
What is the maximum recommended supply voltage for 74HCT1G14GW,125?
The absolute maximum supply voltage is +7.0 V, but the recommended operating range is strictly 4.5 V to 5.5 V per JEDEC JESD8C compliance. Operation above 5.5 V risks violating input/output voltage limits and may degrade latch-up immunity or long-term reliability - always use regulated 5 V ±5 % supplies.
Can 74HCT1G14GW,125 interface directly with 3.3 V microcontrollers?
No - its TTL input thresholds require VIH ≥ 2.0 V (min) and VIL ≤ 0.8 V (max) at VCC = 4.5 V, which is incompatible with 3.3 V logic high levels (~3.0 V). Direct connection risks marginal or failed recognition; use a level translator like NXSL1T45 or select a 74LVC1G14 variant instead.
Does pin 1 of 74HCT1G14GW,125 have a polarity marker?
Yes - per Nexperia marking specification, the pin 1 indicator is a small bevel or notch located on the lower-left corner of the TSSOP5 package body, directly below the "TF" top-side marking code. This aligns with JEDEC MO-203 standards for SOT353-1 orientation.
How does hysteresis improve performance in switch debouncing applications?
Hysteresis provides separate input thresholds for rising (VT+ ≈ 1.4–2.1 V) and falling (VT− ≈ 0.4–1.4 V) edges, creating a noise margin of 0.4–0.9 V. This prevents multiple toggles during mechanical contact bounce - a single switch closure produces exactly one clean output transition, eliminating firmware polling or timer-based filtering.
74HCT1G14GW,125 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HCT
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Inverter
- Number of Circuits:
- 1
- Number of Inputs:
- 1
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 20 µA
- Current - Output High, Low:
- 2mA, 2mA
- Input Logic Level - Low:
- 0.5V ~ 0.6V
- Input Logic Level - High:
- 1.9V ~ 2.1V
- Max Propagation Delay @ V, Max CL:
- 51ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSSOP
74HCT1G14GW,125 FAQ
1.How can I place an order for 74HCT1G14GW,125 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT1G14GW,125 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 74HCT1G14GW,125 reliable?
The price and inventory of 74HCT1G14GW,125 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT1G14GW,125 is usually 5 days.
3.What payment methods are accepted for 74HCT1G14GW,125?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT1G14GW,125 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT1G14GW,125?
74HCT1G14GW,125 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT1G14GW,125 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 74HCT1G14GW,125?
For technical support, including 74HCT1G14GW,125 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT1G14GW,125 requirements.
6.How does Aetrix verify that 74HCT1G14GW,125 is sourced from the original manufacturer or authorized distributors?
All 74HCT1G14GW,125 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 74HCT1G14GW,125 meets industry standards.
7.What is the process for return or replacement of 74HCT1G14GW,125?
All 74HCT1G14GW,125 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT1G14GW,125, 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 74HCT1G14GW,125 part is unused and in its original packaging.
Return procedure for 74HCT1G14GW,125:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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