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Nexperia USA Inc. 74VHC541D-Q100J
- Part No.:
- 74VHC541D-Q100J
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
74VHC541D-Q100J.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,900
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Product details
Overview
74VHC541D-Q100 from Nexperia is an automotive-grade octal non-inverting 3-state buffer/line driver in SO20 package, operating from 2.0 V to 5.5 V, with propagation delay as low as 3.5 ns (VCC = 5.0 V, CL = 15 pF), balanced tPLH/tPHL timing, and Schmitt-trigger inputs enabling noise-immune signal conditioning in engine control units and body electronics.
For engineers reviewing the 74VHC541D-Q100 datasheet, 74VHC541D-Q100 pinout, 74VHC541D-Q100 application, or 74VHC541D-Q100 equivalent, key selection criteria include AEC-Q100 Grade 1 qualification (-40 °C to +125 °C), dual active-low output enable (OE0/OE1), CMOS-level input compatibility, high-impedance bus isolation capability, and SO20 package suitability for automotive PCB layouts requiring thermal robustness and AOI-compatible solder joints.
Technical Context
This device implements a dual-gated 3-state output architecture: OE0 and OE1 must both be LOW to enable all eight Yn outputs; either HIGH forces all outputs into high-impedance OFF-state. It uses Si-gate CMOS technology with Schmitt-trigger inputs on all A0–A7 pins, allowing reliable operation with slow or noisy signals.
Unlike TTL-compatible variants, the 74VHC541D-Q100 accepts input voltages up to 5.5 V independent of VCC (VI ≤ VCC + 0.5 V), supports rail-to-rail output swing (VOH ≥ 4.4 V at VCC = 4.5 V, IO = –4 mA), and features input clamping diodes rated for ±20 mA per pin - critical for transient immunity in automotive harness environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 5.5 V - enables direct interface with 3.3 V and 5 V microcontroller buses without level shifting. |
| Propagation Delay (tpd) | 3.5 ns (typ, VCC = 5.0 V, CL = 15 pF) - ensures minimal signal skew across all eight channels in high-speed data routing. |
| Output Drive Strength | ±8 mA (IOH/IOL) - sufficient to drive 50 pF loads at <10 ns transition times while maintaining VIH/VIL margins. |
| Input Thresholds | VIH = 3.85 V (min, VCC = 5.5 V); VIL = 1.65 V (max) - CMOS-compatible thresholds prevent false triggering under supply ripple. |
| ESD Protection | HBM >2000 V, MM >200 V - meets automotive system-level ESD requirements per ISO 10605 without external protection. |
| Operating Temperature | –40 °C to +125 °C - qualified per AEC-Q100 Grade 1 for under-hood and powertrain applications. |
| Power Dissipation | Ptot = 500 mW (Tamb ≤ 109 °C, SO20) - derates linearly above 109 °C (12.3 mW/K), supporting sustained operation in hot ambient zones. |
Pinout & Package
74VHC541D-Q100 uses the SOT163-1 (SO20) plastic small outline package: 20-pin, 7.5 mm body width, 1.27 mm pitch, gull-wing leads, JEDEC MS-013 compliant. Pin 1 index located at top-left corner with notch marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OE0) | Output Enable Input | Active-LOW control: drives all Yn outputs to high-impedance when HIGH; requires pull-down for default-enable. |
| 2–9 (A0–A7) | Data Inputs | Non-inverting buffered inputs with Schmitt-trigger action - reject noise spikes <1.0 V wide at 5 V supply. |
| 10 (GND) | Ground Reference | 0 V return path for all internal logic and I/O; decoupling capacitor must be placed within 5 mm. |
| 11–18 (Y0–Y7) | Data Outputs | 3-state CMOS outputs; sink/source up to 8 mA; high-impedance leakage <±10 μA at VCC = 5.5 V. |
| 19 (OE1) | Output Enable Input | Second active-LOW enable: both OE0 and OE1 must be LOW to activate outputs - provides redundant bus control. |
| 20 (VCC) | Supply Voltage | Primary power rail; requires local 100 nF ceramic decoupling adjacent to pin; tolerant of 5.5 V max transient. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use from –40 °C to +125 °C with lifetime reliability testing per stress conditions. |
| Dual independent output enables | OE0 and OE1 provide hardware-level bus arbitration - prevents contention during multi-master transitions. |
| Schmitt-trigger inputs | Hysteresis ≥0.5 V at VCC = 5 V - eliminates chatter on slow-rising sensor or switch signals in vehicle cabin networks. |
| Voltage-tolerant inputs | Accepts VI up to 7.0 V (absolute max), enabling direct connection to 5 V logic even when VCC = 3.3 V. |
| Side-wettable flanks (SO20) | SOT163-1 package supports automated optical inspection of solder joints - improves manufacturing yield in automotive SMT lines. |
Applications
| Engine Control Unit (ECU) Signal Conditioning | Automotive Body Control Module (BCM) |
|---|---|
|
Use Scenario: Isolating and buffering sensor signals (e.g., crankshaft position, throttle angle) before ADC sampling in ECU mainboard. IC Role / Device Role: Non-inverting buffer with 3-state control synchronizes with MCU DMA bursts to prevent bus contention during firmware updates. Use Value: Schmitt-trigger inputs reject ignition noise; 3.5 ns tpd preserves timing integrity for 10 kHz engine speed sampling. |
Use Scenario: Driving multiple LED clusters and relay drivers from a single 3.3 V microcontroller GPIO bank in BCM. IC Role / Device Role: Octal line driver with dual OE control enables sequential activation of lighting zones while minimizing current surge. Use Value: ±8 mA drive strength directly powers 20 mA LEDs via external current-limiting resistors; SO20 thermal profile sustains 85 °C ambient. |
| Advanced Driver Assistance Systems (ADAS) Camera Interface | Automotive Infotainment Display Backlight Control |
|
Use Scenario: Level-shifting and buffering parallel pixel data lines between image sensor and SoC in surround-view camera modules. IC Role / Device Role: Bidirectional-capable buffer (with external direction control) routes 8-bit parallel video data with matched trace delays. Use Value: Balanced tPLH/tPHL <0.5 ns mismatch ensures pixel clock alignment across all 8 lanes; AEC-Q100 ensures field reliability. |
Use Scenario: Enabling/disabling backlight LED strings in digital instrument clusters using PWM-modulated enable signals. IC Role / Device Role: 3-state driver isolates backlight driver ICs during sleep mode to eliminate standby current leakage. Use Value: High-impedance OFF-state leakage <±10 μA prevents unintended dimming; dual OE allows fail-safe shutdown via watchdog timer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74VHCT541D-Q100 | TTL-compatible inputs (VIH = 2.0 V min), same SO20 package and AEC-Q100 Grade 1 rating. | Required where legacy 5 V TTL logic interfaces with modern 3.3 V MCUs - avoids external level shifters. | Select when interfacing with older automotive subsystems using standard TTL voltage thresholds. |
| SN74LVC541AQDRQ1 | Lower VCC range (1.65–3.6 V), higher drive (±24 mA), different pinout (TSSOP20), no Schmitt inputs. | Better suited for low-voltage ADAS SoCs but lacks noise immunity for long-harness sensor lines. | Prefer for battery-powered modules needing ultra-low supply voltage; avoid in noisy engine bay locations. |
Compared with 74VHC541D-Q100, the 74VHCT541D-Q100 offers TTL input compatibility at identical packaging and qualification, while SN74LVC541AQDRQ1 trades Schmitt noise rejection and 5 V tolerance for lower voltage operation and higher drive - making the original optimal for mixed-voltage, noise-prone automotive signal routing.
Availability
74VHC541D-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS camera interfaces, and infotainment display systems requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for 74VHC541D-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 essential efficiency technologies, delivering high-performance logic, analog, and MOSFET solutions optimized for automotive, industrial, and mobile markets.
The 74VHC541D-Q100 belongs to Nexperia's automotive-qualified logic portfolio, designed specifically to meet stringent AEC-Q100 requirements for signal integrity, thermal resilience, and long-term reliability in safety-critical vehicle subsystems.
FAQ
What is the maximum input voltage the 74VHC541D-Q100 can tolerate?
The absolute maximum input voltage is +7.0 V referenced to GND, per Table 4 in the datasheet. This allows safe interfacing with 5 V logic even when powered from 3.3 V, provided input current remains within ±20 mA clamping limits. Operation above VCC + 0.5 V must observe IIK ratings to avoid latch-up.
Can OE0 and OE1 be tied together for single-enable operation?
Yes - OE0 and OE1 may be connected to a common control signal. The functional table confirms that outputs go high-impedance if either enable is HIGH. Tying them simplifies PCB routing but removes independent bus arbitration capability; ensure the combined net has adequate drive strength for capacitive load.
Does the 74VHC541D-Q100 require external pull-up or pull-down resistors on OE pins?
Yes - OE0 and OE1 are active-LOW inputs with no internal pull resistors. To guarantee defined state at power-up, each must be pulled LOW (e.g., 10 kΩ to GND) unless actively driven by a controller. Leaving them floating risks undefined output states and potential bus contention.
How does the SO20 package of the 74VHC541D-Q100 support automotive manufacturing?
The SOT163-1 (SO20) package features side-wettable flanks, enabling automated optical inspection (AOI) of solder joint quality on both sides of the gull-wing leads - a critical requirement for zero-defect automotive assembly lines. Its 7.5 mm body width also provides superior thermal dissipation over TSSOP alternatives at equivalent power levels.
74VHC541D-Q100J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74VHC
- 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:
- 8mA, 8mA
- Voltage - Supply:
- 2V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
74VHC541D-Q100J FAQ
1.How can I place an order for 74VHC541D-Q100J through Aetrix?
Please submit a Request for Quotation (RFQ) for 74VHC541D-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 74VHC541D-Q100J reliable?
The price and inventory of 74VHC541D-Q100J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74VHC541D-Q100J is usually 5 days.
3.What payment methods are accepted for 74VHC541D-Q100J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74VHC541D-Q100J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74VHC541D-Q100J?
74VHC541D-Q100J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74VHC541D-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 74VHC541D-Q100J?
For technical support, including 74VHC541D-Q100J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74VHC541D-Q100J requirements.
6.How does Aetrix verify that 74VHC541D-Q100J is sourced from the original manufacturer or authorized distributors?
All 74VHC541D-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 74VHC541D-Q100J meets industry standards.
7.What is the process for return or replacement of 74VHC541D-Q100J?
All 74VHC541D-Q100J units undergo pre-shipment inspection (PSI). If there is an issue with 74VHC541D-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 74VHC541D-Q100J part is unused and in its original packaging.
Return procedure for 74VHC541D-Q100J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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