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Nexperia USA Inc. 74ALVC541D-Q100J
- Part No.:
- 74ALVC541D-Q100J
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
74ALVC541D-Q100J.pdf
- Description:
- IC BUFFER NON-INVERT 3.6V 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,053
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Product details
Overview
74ALVC541D-Q100 from Nexperia is an automotive-qualified octal buffer/line driver with 3-state outputs, dual active-low output enables (OE0, OE1), Schmitt-trigger inputs for noise immunity, and IOFF partial power-down protection. It operates from 1.65 V to 3.6 V across –40 °C to +125 °C and is packaged in SO20 (SOT163-1) for board-level signal isolation and bus interfacing in engine control units.
For engineers reviewing the 74ALVC541D-Q100 datasheet, 74ALVC541D-Q100 pinout, 74ALVC541D-Q100 application, or 74ALVC541D-Q100 equivalent, key selection criteria include its AEC-Q100 Grade 1 qualification, dual OE control logic, IOFF-enabled hot-swap capability, and TTL-compatible input thresholds at 1.65 V–3.6 V supply.
Technical Context
This device implements eight independent non-inverting buffers, each with individually controllable 3-state output via two shared active-low enable inputs. Its Schmitt-trigger inputs tolerate slow-rising signals up to 10 ns/V (VCC ≥ 2.7 V), enabling robust operation in noisy automotive environments.
The IOFF circuit ensures outputs remain high-impedance when VCC = 0 V, preventing backflow current during partial power-down-critical for domain controller power sequencing. Input overvoltage tolerance to 3.6 V allows safe interfacing with higher-voltage logic domains without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.65 V to 3.6 V - supports single-supply operation across LVCMOS and mixed-voltage system interfaces |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive applications per AEC-Q100 Grade 1 |
| Propagation Delay (tpd) | 1.0–3.5 ns @ VCC = 3.0–3.6 V - enables high-speed data buffering in CAN/LIN subsystems and sensor aggregation paths |
| IOFF Leakage Current | ±10 μA max @ VCC = 0 V - guarantees safe hot-plug and power-gating behavior in modular ECU architectures |
| Input Threshold (VIH/VIL) | VIH = 2.0 V min, VIL = 0.8 V max @ VCC = 3.0–3.6 V - ensures reliable TTL-level compatibility without external biasing |
| Output Drive Strength | ±24 mA @ VCC = 3.0 V - sufficient to drive 50 pF loads across PCB traces in body control modules |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - meets automotive ESD robustness requirements for assembly and field operation |
Pinout & Package
74ALVC541D-Q100 uses the SO20 plastic small outline package (SOT163-1), 20-pin, 7.5 mm body width, with standard gull-wing lead form for reflow soldering and AOI-compatible inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OE0) | Active-low output enable 0 | Controls Y0–Y7 outputs; LOW enables all eight buffers simultaneously |
| 2–9 (A0–A7) | Data inputs | Non-inverting input terminals with Schmitt-trigger hysteresis for noise rejection |
| 10 (GND) | Ground reference | 0 V return path for logic and power domains; decoupling capacitor placement critical |
| 11–18 (Y0–Y7) | 3-state buffered outputs | Drive external buses or downstream logic; enter high-Z when either OE is HIGH |
| 19 (OE1) | Active-low output enable 1 | Redundant enable input-tied to OE0 for full 8-bit control or used independently for split-bus partitioning |
| 20 (VCC) | Supply voltage | Primary power rail; requires local 100 nF ceramic decoupling adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use from –40 °C to +125 °C ambient, including thermal cycling and humidity testing |
| Dual active-low output enables | Enables flexible bus arbitration: OE0/OE1 can be tied together for unified control or separated for 4+4 channel isolation |
| IOFF partial power-down protection | Prevents destructive back-current flow when VCC is off but I/O pins remain biased-essential for domain controller sleep modes |
| Schmitt-trigger inputs | Provides ≥0.3 V hysteresis on all A0–A7 inputs, rejecting EMI-induced glitches on long harness-connected lines |
| Overvoltage-tolerant inputs | Accepts up to 3.6 V input signals regardless of VCC level-enables direct connection to 3.3 V domains even at 1.65 V supply |
Applications
| Engine Control Unit (ECU) Signal Isolation | Body Control Module (BCM) Bus Interface |
|---|---|
Use Scenario: Buffering sensor signals (e.g., crankshaft position, throttle angle) between analog front-end and MCU GPIOs in high-EMI engine compartments. IC Role / Device Role / Timing Role: Non-inverting signal repeater with noise-immune input conditioning and 3-state isolation during MCU reset or sleep transitions. Use Value: Prevents signal corruption from ignition noise and ensures deterministic timing via sub-4 ns propagation delay at 3.3 V. | Use Scenario: Driving LIN bus transceiver enable lines and multiplexed door-lock actuator control signals from a central BCM microcontroller. IC Role / Device Role / Timing Role: Level-shifting and fan-out buffer with dual OE control to sequence power to peripheral clusters. Use Value: IOFF protection eliminates backfeed risk when LIN transceiver is powered down while MCU remains active. |
| Advanced Driver Assistance Systems (ADAS) Camera Interface | Electric Power Steering (EPS) Motor Control Logic |
Use Scenario: Isolating MIPI CSI-2 parallel clock/data lanes between image sensor and SoC during power state transitions in surround-view systems. IC Role / Device Role / Timing Role: High-speed digital buffer with matched trace-length delay characteristics and low skew across all 8 channels. Use Value: Sub-3.5 ns tpd and <0.5 ns inter-channel skew preserve setup/hold timing margins for 100 MHz pixel clocks. | Use Scenario: Interfacing torque sensor ADC outputs and MCU PWM outputs to gate drivers in EPS motor control boards. IC Role / Device Role / Timing Role: Bidirectional signal conditioner with Schmitt-trigger inputs for analog sensor digitization and 3-state outputs for PWM distribution. Use Value: Input hysteresis rejects switching noise from nearby MOSFETs; ±24 mA drive sustains clean edges into gate driver input capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal buffer/line driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC541AQPWRQ1 | TI part with identical pinout, same AEC-Q100 Grade 1 rating, but lacks IOFF and has higher ICC (max 10 μA vs. 80 μA) | Not suitable for partial power-down systems requiring back-current blocking | Select only if IOFF is not required and TI supply chain preference applies |
| 74LVC541APW-Q100 | Nexperia TSSOP20 variant (SOT360-1); same electrical specs but smaller footprint and lower thermal resistance | Better suited for space-constrained modules like radar control units where SO20 height is prohibitive | Choose for PCB area savings and improved thermal performance; pin-compatible drop-in replacement |
Compared with SN74LVC541AQPWRQ1, the 74ALVC541D-Q100 provides essential IOFF protection for power-gated domains; compared with 74LVC541APW-Q100, it offers identical functionality in a through-hole-compatible SO20 package ideal for legacy automotive PCB designs.
Availability
74ALVC541D-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS camera interfaces, and electric power steering systems requiring stable component supply with automotive-grade reliability and long-term lifecycle support.
Supply support for 74ALVC541D-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 focused on high-volume, high-reliability logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components.
The 74ALVC541-Q100 series belongs to Nexperia's automotive logic portfolio, designed specifically for signal integrity and power sequencing in harsh-environment vehicle ECUs and domain controllers.
FAQ
What is the maximum allowable input voltage when VCC = 0 V?
The absolute maximum input voltage is –0.5 V to +4.6 V per the datasheet limiting values table, and the device maintains IOFF protection at these levels. When VCC = 0 V, inputs may safely float up to +3.6 V due to overvoltage tolerance-critical for hot-swap scenarios in modular ECUs where subsystems power up asynchronously.
Does 74ALVC541D-Q100 support mixed-voltage operation between input and output sides?
No-the device does not provide level translation. Inputs are overvoltage tolerant to 3.6 V regardless of VCC, but outputs swing between GND and VCC only. For true bidirectional level shifting, a dedicated translator IC such as NXS0108PW-Q100 must be used upstream or downstream.
How does the dual OE architecture improve system design flexibility?
OE0 and OE1 are logically OR'd internally, so asserting either LOW enables all eight outputs. This allows redundant enable signaling, split-bus control (e.g., OE0 for Y0–Y3, OE1 for Y4–Y7 via external gating), or fail-safe tie-together configurations. The architecture simplifies PCB routing and supports fault-tolerant bus arbitration schemes in safety-critical modules.
Is the SO20 package (SOT163-1) compatible with automated optical inspection (AOI)?
Yes-the SO20 package used in 74ALVC541D-Q100 supports AOI, though its gull-wing leads require calibrated lighting and contrast settings. Unlike the DHVQFN20 variant (SOT764-1), it does not feature side-wettable flanks, but standard AOI systems detect solder joint integrity reliably when configured per IPC-A-610 Class 3 guidelines for automotive assemblies.
74ALVC541D-Q100J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74ALVC
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.65V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
74ALVC541D-Q100J FAQ
1.How can I place an order for 74ALVC541D-Q100J through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ALVC541D-Q100J 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 74ALVC541D-Q100J reliable?
The price and inventory of 74ALVC541D-Q100J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVC541D-Q100J is usually 5 days.
3.What payment methods are accepted for 74ALVC541D-Q100J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVC541D-Q100J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ALVC541D-Q100J?
74ALVC541D-Q100J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ALVC541D-Q100J 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 74ALVC541D-Q100J?
For technical support, including 74ALVC541D-Q100J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVC541D-Q100J requirements.
6.How does Aetrix verify that 74ALVC541D-Q100J is sourced from the original manufacturer or authorized distributors?
All 74ALVC541D-Q100J 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 74ALVC541D-Q100J meets industry standards.
7.What is the process for return or replacement of 74ALVC541D-Q100J?
All 74ALVC541D-Q100J units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVC541D-Q100J, 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 74ALVC541D-Q100J part is unused and in its original packaging.
Return procedure for 74ALVC541D-Q100J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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