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onsemi NLU3G14BMX1TCG
- Part No.:
- NLU3G14BMX1TCG
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 8-XFLGA
- Datasheet:
-
NLU3G14BMX1TCG.pdf
- Description:
- IC INVERT SCHMITT 3CH 3IN 8ULLGA
- Quantity:
- Payment:
- Shipping:
Inventory:10,750
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Product details
Overview
NLU3G14BMX1TCG from onsemi is a triple Schmitt-trigger inverter IC designed for noise-immune signal conditioning in space-constrained applications. It operates from 1.65 V to 5.5 V, delivers 4.0 ns typical propagation delay at 5.0 V, supports ±12.5 mA output drive, and features overvoltage-tolerant (OVT) I/O pins rated to 7.0 V independent of supply voltage - enabling robust interfacing in mixed-voltage systems such as industrial sensor front-ends.
For engineers reviewing the NLU3G14BMX1TCG datasheet, pinout, applications, or equivalent options, key selection criteria include hysteresis voltage (0.30–1.60 V), input threshold symmetry (VT+ = 1.85–3.85 V / VT− = 0.9–3.05 V), UDFN8 package footprint compatibility, and power-down input protection for unpowered system sections.
Technical Context
The NLU3G14BMX1TCG implements three independent CMOS Schmitt-trigger inverters in a single ultra-small UDFN8 package. Each channel provides asymmetric input thresholds (VT+, VT−) with 0.30–1.60 V hysteresis, enabling reliable squaring of slow-rising signals and rejection of high-frequency noise spikes up to ±2000 V HBM ESD.
Its overvoltage-tolerant architecture allows inputs and outputs to withstand −0.5 V to +7.0 V regardless of VCC, supporting hot-swap and level-shifting use cases without external clamping diodes. Propagation delays are balanced across channels (tPLH/tPHL ≤ 11.5 ns max at 5.5 V, CL = 15 pF), and quiescent ICC remains ≤10 µA over −55°C to +125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 5.5 V - enables direct interface with 1.8 V, 3.3 V, and 5 V logic domains |
| Propagation Delay | 4.0 ns (typ) @ 5.0 V - supports >100 MHz signal edge rates in timing-critical paths |
| Hysteresis Voltage | 0.30–1.60 V - ensures ≥300 mV noise margin against EMI in industrial environments |
| Output Drive | ±12.5 mA - sufficient to directly drive LED indicators or small capacitive loads (≤50 pF) |
| OVT Rating | −0.5 V to +7.0 V on all I/O - eliminates need for external TVS or series resistors in mixed-supply systems |
| ESD Robustness | >2000 V HBM - meets IEC 61000-4-2 Level 2 for system-level ESD immunity |
| Operating Temp | −55°C to +125°C - qualified for under-hood automotive and industrial control applications |
Pinout & Package
Package: UDFN8 (1.6 mm × 1.0 mm, 0.4 mm pitch), Pb-free, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN A2 | Input of second Schmitt-trigger inverter; accepts OVT digital signals up to 7.0 V |
| 2 | IN A1 | Input of first Schmitt-trigger inverter; shares same threshold hysteresis profile as Pins 1 and 6 |
| 3 | OUT Y3 | Inverted, hysteresis-conditioned output of third channel; drives loads up to ±12.5 mA |
| 4 | OUT Y2 | Inverted, hysteresis-conditioned output of second channel; electrically isolated from other outputs |
| 5 | GND | Dedicated ground reference for all three channels; decoupling capacitor must be placed adjacent |
| 6 | IN A3 | Input of third Schmitt-trigger inverter; compatible with slow-edge sensors (e.g., thermistor RC networks) |
| 7 | OUT Y1 | Inverted, hysteresis-conditioned output of first channel; optimized for low skew vs. Pins 3 and 4 |
| 8 | VCC | Single positive supply for all three channels; requires local 100 nF ceramic bypass capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Triple Schmitt-trigger architecture | Three independent noise-immune inverters in one die - reduces board area by 66% vs. discrete solutions |
| Overvoltage-tolerant I/O | Full −0.5 V to +7.0 V tolerance on all pins - enables safe operation during power sequencing or brownout |
| Power-down input protection | Inputs remain high-impedance and non-latching when VCC = 0 V - prevents back-powering of upstream circuits |
| Ultra-small UDFN8 footprint | 1.6 mm × 1.0 mm outline - fits within 2.0 mm² PCB area, ideal for wearables and compact IoT nodes |
| Balanced propagation delays | tPLH/tPHL matching ≤0.5 ns across channels - preserves timing integrity in parallel signal paths |
Applications
| Industrial Sensor Interface | Automotive Body Control |
|---|---|
Use Scenario: Conditioning analog sensor outputs (e.g., potentiometer wipers, thermistor RC networks) with slow rise/fall times before ADC sampling or microcontroller GPIO capture. IC Role / Device Role / Timing Role: Schmitt-trigger inverter acting as a clean digital edge generator with programmable hysteresis to suppress contact bounce and EMI-induced glitches. Use Value: Eliminates need for external RC filters and comparator ICs; reduces BOM count while maintaining >300 mV noise margin per channel. | Use Scenario: Debouncing mechanical switch inputs (e.g., door latch, seat position, trunk release) in 12 V vehicle subsystems interfaced to 3.3 V MCU GPIOs. IC Role / Device Role / Timing Role: Level-translating and noise-hardened signal conditioner that accepts 12 V switch pull-ups and outputs clean 3.3 V logic levels. Use Value: OVT inputs tolerate battery transients up to 16 V; hysteresis prevents false triggers during vibration or ESD events. |
| IoT Edge Node Timing | Medical Diagnostic Equipment |
Use Scenario: Squaring clock or sync pulses from low-power oscillators (e.g., 32.768 kHz crystals) before distribution to multiple low-power MCUs in battery-operated devices. IC Role / Device Role / Timing Role: Low-jitter, low-power signal regenerator ensuring monotonic edge transitions across temperature (−55°C to +125°C). Use Value: 4.0 ns typical tPD and <10 µA ICC enable precise timing with minimal power penalty - extends battery life in portable diagnostics. | Use Scenario: Isolating and cleaning TTL/CMOS control signals between patient-connected modules and main processing units in Class II medical devices. IC Role / Device Role / Timing Role: Safety-isolating signal conditioner providing galvanically separated logic-level translation via hysteresis-based noise rejection. Use Value: UL 94 V-0 rated package and >2000 V HBM ESD meet IEC 60601-1 creepage/clearance and EMC requirements without additional shielding. |
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; no OVT - max VIN = VCC + 0.5 V; 5.5 V absolute max rating | Requires external clamping for >5.5 V inputs; unsuitable for mixed-voltage hot-swap interfaces | Select when only one inverter is needed and system voltages are strictly rail-referenced |
| MC74VHC1GT14DTT1G | Single-channel; OVT support to 7.0 V; but higher ICC (100 µA typ) and slower tPD (7.5 ns @ 5 V) | Higher static power limits use in always-on battery nodes; less suitable for high-speed edge regeneration | Select when footprint compatibility with legacy SOT-23 layouts is required and speed <10 MHz suffices |
Compared with SN74LVC1G14DBVR and MC74VHC1GT14DTT1G, the NLU3G14BMX1TCG uniquely delivers triple-channel integration, true 7.0 V OVT tolerance, and sub-5 ns propagation in a 1.6 mm × 1.0 mm UDFN - making it optimal for miniaturized, multi-signal conditioning tasks where voltage domain bridging and board space are critical constraints.
Availability
NLU3G14BMX1TCG is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, and portable medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for NLU3G14BMX1TCG 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, delivering silicon solutions for automotive, industrial, cloud, and medical applications.
The NLU3G14BMX1TCG belongs to the MiniGate family of ultra-small logic ICs, engineered specifically for space-constrained, noise-prone signal conditioning in harsh-environment embedded systems.
FAQ
What is the maximum input voltage the NLU3G14BMX1TCG can tolerate when VCC is unpowered?
The NLU3G14BMX1TCG supports −0.5 V to +7.0 V on all input and output pins regardless of VCC state, including VCC = 0 V. This overvoltage tolerance is enabled by internal protection structures and allows safe operation during power sequencing, hot-plug events, or brownout conditions without risk of latch-up or damage - a key advantage over standard CMOS inverters.
Does the NLU3G14BMX1TCG require external pull-up or pull-down resistors on its inputs?
No, the NLU3G14BMX1TCG does not require external biasing resistors on its inputs. Its CMOS input structure presents high impedance (>10 MΩ) with controlled leakage (±1.0 µA max), and the Schmitt-trigger thresholds are internally defined. External resistors are unnecessary unless specific voltage divider configurations or fail-safe states are required by system architecture.
Can the NLU3G14BMX1TCG drive a 50 pF capacitive load at 10 MHz without signal degradation?
Yes, the NLU3G14BMX1TCG is characterized for CL = 50 pF loads, with propagation delay specified as 5.5–10.6 ns (max) at VCC = 4.5–5.5 V and TA = 25°C. At 10 MHz (100 ns period), the output maintains monotonic edges and full logic swing (VOH ≥ 2.48 V, VOL ≤ 0.44 V), provided proper VCC decoupling (100 nF ceramic near Pin 8) and layout minimizes parasitic inductance.
What is the hysteresis voltage range of the NLU3G14BMX1TCG across temperature and supply voltage?
The NLU3G14BMX1TCG hysteresis voltage (VH = VT+ − VT−) ranges from 0.30 V (min, VCC = 3.0 V, TA = 25°C) to 1.60 V (max, VCC = 5.5 V, TA = −55°C to +125°C). This wide, supply- and temperature-dependent hysteresis ensures consistent noise immunity across operating conditions - critical for reliability in automotive and industrial deployments.
Is the NLU3G14BMX1TCG pin-compatible with other UDFN8 triple inverters like the NL17SZ14?
No, the NLU3G14BMX1TCG is not pin-compatible with NL17SZ14 or other UDFN8 triple inverters. Its pin assignment (1: IN A2, 2: IN A1, 3: OUT Y3, 4: OUT Y2, 5: GND, 6: IN A3, 7: OUT Y1, 8: VCC) is unique to the MiniGate family and differs from industry-standard triple inverter layouts. PCB layout must follow the NLU3G14BMX1TCG-specific pinout shown in Figure 1 of the datasheet.
NLU3G14BMX1TCG 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 (1.6x1)
NLU3G14BMX1TCG FAQ
1.How can I place an order for NLU3G14BMX1TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NLU3G14BMX1TCG 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 NLU3G14BMX1TCG reliable?
The price and inventory of NLU3G14BMX1TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NLU3G14BMX1TCG is usually 5 days.
3.What payment methods are accepted for NLU3G14BMX1TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NLU3G14BMX1TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NLU3G14BMX1TCG?
NLU3G14BMX1TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NLU3G14BMX1TCG 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 NLU3G14BMX1TCG?
For technical support, including NLU3G14BMX1TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NLU3G14BMX1TCG requirements.
6.How does Aetrix verify that NLU3G14BMX1TCG is sourced from the original manufacturer or authorized distributors?
All NLU3G14BMX1TCG 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 NLU3G14BMX1TCG meets industry standards.
7.What is the process for return or replacement of NLU3G14BMX1TCG?
All NLU3G14BMX1TCG units undergo pre-shipment inspection (PSI). If there is an issue with NLU3G14BMX1TCG, 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 NLU3G14BMX1TCG part is unused and in its original packaging.
Return procedure for NLU3G14BMX1TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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