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onsemi NLU3G14CMX1TCG
- Part No.:
- NLU3G14CMX1TCG
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 8-XFLGA
- Datasheet:
-
NLU3G14CMX1TCG.pdf
- Description:
- IC INVERT SCHMITT 3CH 3IN 8ULLGA
- Quantity:
- Payment:
- Shipping:
Inventory:87,000
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Product details
Overview
NLU3G14CMX1TCG from onsemi is a triple Schmitt-trigger inverter IC designed for noise-immune signal conditioning in space-constrained digital systems. It delivers 4.0 ns typical propagation delay at 5.0 V, supports 1.65–5.5 V supply operation, features overvoltage-tolerant (OVT) I/O pins up to 7.0 V, and operates across −55°C to +125°C. It is used to square slow-rising waveforms in sensor interface and clock clean-up circuits.
For engineers reviewing the NLU3G14CMX1TCG datasheet, pinout, applications, or equivalent options, key selection criteria include hysteresis voltage (0.30–1.60 V), input threshold symmetry (VT+ = 3.50 V / VT− = 1.65 V at 5.5 V), ultra-small UDFN8 package footprint (1.45 × 1.0 mm), and ±12.5 mA output drive capability under industrial temperature range.
Technical Context
The NLU3G14CMX1TCG implements three independent CMOS Schmitt-trigger inverters in a single die, each with asymmetric input thresholds (VT+, VT−) and built-in hysteresis (VH = 0.30–1.60 V) to reject noise on slow-transitioning signals. Its OVT architecture allows safe interfacing with higher-voltage logic domains without level shifters.
It uses advanced high-speed CMOS process technology enabling balanced tPLH/tPHL propagation delays (4.0–12.8 ns depending on VCC and load), low ICC quiescent current (≤10 µA), and robust ESD protection (>2 kV HBM). The device lacks internal power-down control but provides inherent input protection against overvoltage conditions regardless of supply state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V - Enables direct interface with 1.8 V, 3.3 V, and 5 V logic families without external regulators. |
| Propagation Delay (tPD) | 4.0 ns (typ) @ VCC = 5.0 V, CL = 15 pF - Supports >100 MHz waveform shaping in timing-critical paths. |
| Hysteresis Voltage (VH) | 0.30–1.60 V (varies with VCC) - Provides configurable noise margin for analog-like input transitions. |
| Input Thresholds (VT+, VT−) | VT+ = 3.50 V, VT− = 1.65 V @ VCC = 5.5 V - Defines switching window for reliable edge detection in noisy environments. |
| Output Drive Strength | ±12.5 mA - Sufficient to drive multiple CMOS inputs or small capacitive loads (e.g., PCB traces, filters). |
| Overvoltage Tolerance | Inputs/outputs withstand −0.5 V to +7.0 V - Eliminates need for external clamping diodes when interfacing with legacy 5 V or 7 V systems. |
| Operating Temperature | −55°C to +125°C - Qualified for automotive under-hood, industrial motor control, and outdoor embedded applications. |
Pinout & Package
Package: UDFN8 (1.45 mm × 1.0 mm, 0.35 mm pitch), Pb-free, moisture sensitivity level 1. Exposed pad not present; all terminals are perimeter-mounted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN A2 | Input of second Schmitt-trigger inverter - Accepts slow-rising/falling signals; triggers at VT+ / VT− thresholds. |
| 2 | IN A1 | Input of first Schmitt-trigger inverter - Independent channel; electrically isolated from other inputs. |
| 3 | OUT Y3 | Output of third Schmitt-trigger inverter - Inverted, squared replica of IN A3 with hysteresis. |
| 4 | OUT Y2 | Output of second Schmitt-trigger inverter - Matches propagation delay and drive strength of other outputs. |
| 5 | GND | Digital ground reference - Must be connected to system ground plane; no separate analog ground required. |
| 6 | IN A3 | Input of third Schmitt-trigger inverter - Supports same overvoltage tolerance and threshold behavior as A1/A2. |
| 7 | OUT Y1 | Output of first Schmitt-trigger inverter - Primary output for clock clean-up or debouncing functions. |
| 8 | VCC | Positive supply rail - Powers all three inverters; decoupling capacitor (≥100 nF) recommended adjacent to pin 8. |
Key Features
| Feature | Design Value |
|---|---|
| Triple independent Schmitt-trigger inverters | Enables simultaneous conditioning of three asynchronous signals (e.g., encoder A/B/Z, multi-sensor inputs) in one footprint. |
| Overvoltage-tolerant (OVT) I/O | Allows direct connection to 5 V or 7 V sources while powered from 1.8 V or 3.3 V - eliminates level translators in mixed-voltage systems. |
| Balanced propagation delays | tPLH ≈ tPHL ensures symmetrical rise/fall times at output, critical for jitter-sensitive clock regeneration. |
| Ultra-small UDFN8 package (1.45 × 1.0 mm) | Reduces PCB area by >50% vs. SOIC-8; suitable for wearables, IoT nodes, and compact motor drivers. |
| Pb-free, RoHS-compliant construction | Meets global environmental regulations; qualified per JESD22-A114 (HBM >2 kV) and JESD78 latch-up immunity (±500 mA). |
Applications
| Encoder Signal Conditioning | Microcontroller Input Debouncing |
|---|---|
Use Scenario: Quadrature encoder outputs exhibit slow edges and EMI-induced glitches in motor feedback loops. IC Role / Device Role / Timing Role: NLU3G14CMX1TCG acts as a noise-immune signal squarer, converting analog-like encoder pulses into clean digital edges for MCU quadrature decoding. Use Value: Prevents false count increments caused by contact bounce or EMI, improving position accuracy in servo drives and robotics. |
Use Scenario: Mechanical pushbuttons generate millisecond-scale bounce transients that cause spurious interrupts in microcontroller GPIOs. IC Role / Device Role / Timing Role: NLU3G14CMX1TCG serves as hardware debouncer - its hysteresis rejects sub-millisecond noise while preserving intentional press/release transitions. Use Value: Eliminates need for software debounce routines or RC filters, reducing firmware complexity and interrupt latency. |
| Industrial Sensor Interface | Legacy System Level Translation |
Use Scenario: Analog-output sensors (e.g., thermistors, Hall-effect switches) produce slowly varying voltages susceptible to noise in factory-floor wiring. IC Role / Device Role / Timing Role: NLU3G14CMX1TCG converts analog sensor thresholds into clean digital logic levels compatible with PLC or FPGA inputs. Use Value: Enables reliable on/off detection without ADC or op-amp circuitry - lowers BOM cost and board space in condition-monitoring modules. |
Use Scenario: Modern 1.8 V or 3.3 V microcontrollers must interface with older 5 V TTL or CMOS peripherals (e.g., legacy displays, EEPROMs). IC Role / Device Role / Timing Role: NLU3G14CMX1TCG functions as a bidirectional voltage-tolerant buffer - accepts 5 V inputs while driving 3.3 V logic, and vice versa. Use Value: Avoids discrete transistor or dedicated level-shifter ICs, simplifying interconnect design in equipment upgrades and retrofits. |
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 | Single-channel only; 3.3 V optimized (1.65–5.5 V); lower hysteresis (≈0.2 V typical); no OVT - requires VCC-referenced input limits. | Lacks triple integration and overvoltage tolerance - needs external protection for 5 V inputs. | Select when only one inverter is needed and system voltage is tightly regulated near 3.3 V. |
| MC74VHC1GT14DTT1G | Single-channel; 2.0–5.5 V operation; hysteresis ≈0.35 V; OVT support up to 6 V (not 7 V); slightly slower (tPD = 6.5 ns typ @ 5 V). | Lower overvoltage rating and single-channel configuration limit use in high-noise, multi-signal, or 7 V-tolerant designs. | Choose for cost-sensitive, single-channel applications where 6 V OVT suffices and layout space permits discrete placement. |
Compared with SN74LVC1G14DBVR and MC74VHC1GT14DTT1G, the NLU3G14CMX1TCG uniquely combines triple-channel integration, 7.0 V overvoltage tolerance, and 1.45 mm × 1.0 mm UDFN8 packaging - making it optimal for miniaturized, mixed-voltage industrial and automotive signal conditioning where board area and robustness are critical.
Availability
NLU3G14CMX1TCG is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and IoT sensor node designs requiring stable component supply and long-term manufacturability.
Supply support for NLU3G14CMX1TCG 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics, serving automotive, industrial, cloud, medical, and IoT markets with silicon-based solutions.
The NLU3G14CMX1TCG belongs to the MiniGate family of ultra-small logic devices, engineered specifically for space-constrained digital signal conditioning in harsh environments where noise immunity and voltage flexibility are essential.
FAQ
What is the maximum input voltage the NLU3G14CMX1TCG can tolerate?
The NLU3G14CMX1TCG supports DC input voltages from −0.5 V to +7.0 V on all I/O pins, independent of VCC level. This overvoltage tolerance enables safe interfacing with higher-voltage systems without external protection components, and is verified per manufacturer specifications across the full operating temperature range.
Does the NLU3G14CMX1TCG require external pull-up or pull-down resistors on unused inputs?
No - the NLU3G14CMX1TCG does not require external biasing on unused inputs. Its CMOS input structure exhibits low leakage (±0.1 µA typical), and floating inputs are electrically stable. However, for best noise immunity in high-EMI environments, tying unused inputs to VCC or GND is still recommended per standard logic design practice.
Can the NLU3G14CMX1TCG operate reliably at 1.65 V supply voltage?
Yes - the NLU3G14CMX1TCG is fully specified down to 1.65 V VCC, with guaranteed functionality including defined VT+, VT− thresholds, hysteresis, and output drive. At this minimum voltage, propagation delay increases to ≤17 ns (CL = 15 pF), and VOH/VOL remain within valid logic-high/low margins per AC/DC specs.
Is the NLU3G14CMX1TCG pin-compatible with other UDFN8 triple inverters?
No documented pin-compatible alternatives exist for the NLU3G14CMX1TCG in UDFN8. Its pin assignment (A2, A1, Y3, Y2, GND, A3, Y1, VCC) is unique to the MiniGate series. Substituting other triple inverters - even in identical UDFN8 packages - risks incorrect signal routing due to differing pinouts and functional mapping.
What is the thermal performance of the NLU3G14CMX1TCG in continuous operation?
The NLU3G14CMX1TCG has a maximum junction temperature of 150°C and is rated for continuous operation at −55°C to +125°C ambient. With typical ICC < 10 µA and low dynamic power (CPD = 7.0 pF), self-heating is negligible - no heatsink or airflow is required, even in sealed enclosures or stacked PCB assemblies.
NLU3G14CMX1TCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- MiniGate™
- Package/Case:
- 8-XFLGA
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 3
- Number of Inputs:
- 3
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 1.65V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.9V ~ 1.65V
- Input Logic Level - High:
- 2.2V ~ 3.85V
- Max Propagation Delay @ V, Max CL:
- 10.6ns @ 5V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-ULLGA (1.45x1)
NLU3G14CMX1TCG FAQ
1.How can I place an order for NLU3G14CMX1TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NLU3G14CMX1TCG 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 NLU3G14CMX1TCG reliable?
The price and inventory of NLU3G14CMX1TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NLU3G14CMX1TCG is usually 5 days.
3.What payment methods are accepted for NLU3G14CMX1TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NLU3G14CMX1TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NLU3G14CMX1TCG?
NLU3G14CMX1TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NLU3G14CMX1TCG 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 NLU3G14CMX1TCG?
For technical support, including NLU3G14CMX1TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NLU3G14CMX1TCG requirements.
6.How does Aetrix verify that NLU3G14CMX1TCG is sourced from the original manufacturer or authorized distributors?
All NLU3G14CMX1TCG 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 NLU3G14CMX1TCG meets industry standards.
7.What is the process for return or replacement of NLU3G14CMX1TCG?
All NLU3G14CMX1TCG units undergo pre-shipment inspection (PSI). If there is an issue with NLU3G14CMX1TCG, 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 NLU3G14CMX1TCG part is unused and in its original packaging.
Return procedure for NLU3G14CMX1TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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