My Inquiry
My Account
Nexperia USA Inc. 74VHC541BQ-Q100X
- Part No.:
- 74VHC541BQ-Q100X
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 20-VFQFN Exposed Pad
- Datasheet:
-
74VHC541BQ-Q100X.pdf
- Description:
- IC BUF NON-INVERT 5.5V 20DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,239
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74VHC541BQ-Q100 from Nexperia is an automotive-qualified octal non-inverting 3-state buffer/line driver in DHVQFN20 package, operating from 2.0 V to 5.5 V with CMOS-level inputs, 7 ns typical propagation delay at 5 V/50 pF, and AEC-Q100 Grade 1 qualification for under-hood control modules.
For engineers reviewing the 74VHC541BQ-Q100 datasheet, 74VHC541BQ-Q100 pinout, 74VHC541BQ-Q100 application, or 74VHC541BQ-Q100 equivalent, key selection criteria include 3-state bus compatibility, Schmitt-trigger input tolerance, -40 °C to +125 °C operation, and side-wettable flank packaging for AOI-capable automotive PCB assembly.
Technical Context
This device implements dual active-low output enable (OE0, OE1) controlling eight independent non-inverting buffer paths, with all inputs featuring Schmitt-trigger action for noise immunity and voltage-tolerant operation up to 7.0 V regardless of VCC. It supports mixed-voltage interfacing via input overvoltage capability while maintaining rail-to-rail CMOS-compatible output swing.
The DHVQFN20 package enables thermal enhancement and automated optical inspection via side-wettable flanks, and the logic function strictly follows IEEE/IEC standard 3-state bus driver behavior: outputs enter high-impedance state only when either OE input is HIGH, otherwise passing A0–A7 to Y0–Y7 with balanced tPLH/tPHL delays.
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 logic domains without level shifters. |
| Propagation Delay (tpd) | 5.0 ns typ @ 5 V/50 pF - Ensures timing-critical data path integrity in CAN/LIN gateway buffers and sensor signal conditioning. |
| Output Drive Strength | ±8 mA @ VCC = 4.5 V - Sufficient to drive 50 pF loads across automotive harnesses with controlled edge rates. |
| Input Thresholds | VIH = 3.85 V min, VIL = 1.65 V max @ VCC = 5.5 V - Guarantees robust TTL- and CMOS-compatible recognition with hysteresis. |
| Operating Temperature | -40 °C to +125 °C - Validated for engine control unit (ECU), body control module (BCM), and ADAS domain controller environments. |
| AEC-Q100 Qualification | Grade 1 - Certified for automotive powertrain and chassis applications per AEC's stress-test requirements. |
| ESD Protection | HBM >2000 V, MM >200 V - Mitigates field-induced latch-up during vehicle assembly and service handling. |
Pinout & Package
DHVQFN20 package (SOT764-1), 2.5 × 4.5 × 0.85 mm body, no leads, side-wettable flanks for AOI, thermal pad exposed on underside (non-electrical, floating or GND-connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OE0) | Output Enable 0 | Active-LOW control for first four outputs (Y0–Y3); tied HIGH disables outputs to high-Z. |
| 2–9 (A0–A7) | Data Inputs | CMOS/TTL-compatible buffered inputs with Schmitt-trigger action for noisy automotive environments. |
| 10 (GND) | Ground Reference | 0 V reference plane; thermal pad beneath package may be connected to GND for improved thermal dissipation. |
| 11–18 (Y7–Y0) | Data Outputs | 3-state CMOS outputs; driven HIGH/LOW when both OE0 and OE1 are LOW; high-Z otherwise. |
| 19 (OE1) | Output Enable 1 | Active-LOW control for last four outputs (Y4–Y7); independent enable allows split-bus segmentation. |
| 20 (VCC) | Supply Voltage | Primary power rail; decoupling capacitor required within 5 mm for stable switching performance. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Enables reliable signal recovery from slow-rising or noisy sensor lines (e.g., throttle position, brake switch) without external hysteresis circuitry. |
| Voltage-tolerant inputs | Accepts VI up to 7.0 V independent of VCC - permits direct connection to 5 V microcontroller GPIOs even when VCC = 3.3 V. |
| Dual independent OE control | Allows partitioning of the octal bus into two 4-bit groups (Y0–Y3 and Y4–Y7), supporting multiplexed diagnostics or dual-processor arbitration. |
| Side-wettable flanks | Enables automated optical inspection of solder joints on bottom-terminated QFN - critical for zero-defect automotive manufacturing compliance. |
| AEC-Q100 Grade 1 | Qualified for continuous operation at +125 °C ambient - suitable for placement near power converters or under-dash ECUs without derating. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Buffering crankshaft position sensor signals and camshaft sync pulses before routing to MCU timer capture inputs. IC Role / Device Role / Timing Role: Signal integrity conditioner and bus isolator, preventing crosstalk between analog sensor traces and digital control logic. Use Value: Schmitt-trigger inputs reject EMI from ignition coils; 7 ns propagation ensures sub-microsecond timing alignment for misfire detection algorithms. |
Use Scenario: Driving door lock actuator control lines and window motor direction signals from a low-power microcontroller. IC Role / Device Role / Timing Role: Level-shifting and current-boosting interface between 3.3 V MCU GPIOs and 12 V automotive loads via external drivers. Use Value: ±8 mA drive strength sustains signal integrity across 2 m wiring harnesses; 3-state enables shared bus arbitration with other BCM peripherals. |
| Advanced Driver Assistance Systems (ADAS) | Infotainment Head Unit |
|
Use Scenario: Isolating radar preprocessor data lanes from main SoC during sleep mode to reduce leakage current. IC Role / Device Role / Timing Role: Low-power bus gate with fast disable time (≤11.5 ns) enabling rapid entry/exit from ultra-low-power states. Use Value: 0.25 μA max IOZ at 5.5 V minimizes standby current; AEC-Q100 qualification ensures reliability in safety-critical vision processing paths. |
Use Scenario: Interfacing touch controller I/O expansion pins to display backlight PWM generator and audio codec control registers. IC Role / Device Role / Timing Role: General-purpose I/O expander buffer with dual OE for dynamic reconfiguration of peripheral control buses. Use Value: Dual OE inputs allow software-selectable grouping of backlight dimming and audio mute functions - reducing MCU pin count and firmware complexity. |
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 |
|---|---|---|---|
| 74VHCT541BQ-Q100 | TTL-compatible input thresholds (VIH = 2.0 V min), identical output specs and package | Better suited for legacy 5 V MCU interfaces where input noise margin must match TTL logic families | Select when interfacing with older 5 V microcontrollers lacking CMOS-level input compatibility |
| SN74LVC541APWR | Wider VCC range (1.65–3.6 V), lower drive (±24 mA), non-automotive qualified | Limited to cabin electronics (infotainment, HVAC) due to commercial temperature grade (-40 to +85 °C) | Choose for cost-sensitive interior modules where AEC-Q100 is not mandated and supply is ≤3.3 V |
Compared with 74VHC541BQ-Q100, the 74VHCT541BQ-Q100 offers superior noise immunity in mixed-signal 5 V systems, while the SN74LVC541APWR reduces BOM cost and power in non-critical interior subsystems - but neither matches the full -40 °C to +125 °C AEC-Q100 Grade 1 assurance for powertrain use.
Availability
74VHC541BQ-Q100 is available at Aetrix Electronics and suitable for engine control units, body control modules, and ADAS domain controllers requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for 74VHC541BQ-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, discrete, and MOSFET solutions optimized for automotive, industrial, and mobile markets.
The 74VHC-Q100 series delivers AEC-Q100-qualified, high-speed CMOS logic specifically engineered for automotive signal buffering, bus isolation, and interface consolidation in harsh-temperature electronic control units.
FAQ
Can 74VHC541BQ-Q100 operate with a 3.3 V supply while accepting 5 V inputs?
Yes. The device supports input voltages up to 7.0 V independent of VCC, enabling safe 5 V signal interfacing with a 3.3 V supply. This eliminates external level shifters in mixed-voltage automotive subsystems such as connecting a 5 V sensor to a 3.3 V MCU, provided output loading remains within ±8 mA limits.
What is the function of the exposed thermal pad on the DHVQFN20 package?
The exposed pad on the underside of the SOT764-1 package is electrically isolated and serves solely for thermal conduction. It may be left floating or connected to GND via a dedicated thermal land to improve heat dissipation - especially critical in high-density automotive PCBs operating continuously at +125 °C ambient.
How does dual OE control (OE0 and OE1) improve system design flexibility?
OE0 controls Y0–Y3 and OE1 controls Y4–Y7, allowing independent 3-state control of two 4-bit segments. This enables time-multiplexed bus sharing, diagnostic isolation (e.g., disabling half the outputs during fault injection testing), or dynamic reconfiguration in multi-processor architectures without additional logic gates.
Is the 74VHC541BQ-Q100 pin-compatible with the 74VHCT541BQ-Q100?
Yes - both share identical DHVQFN20 pinout, package dimensions, and electrical pin functions. The sole functional difference lies in input threshold specifications: 74VHC541BQ-Q100 uses CMOS thresholds (VIH ≈ 0.7×VCC), while 74VHCT541BQ-Q100 uses TTL thresholds (VIH = 2.0 V min), making them drop-in replacements only when input source logic family matches the selected variant.
74VHC541BQ-Q100X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74VHC
- Package/Case:
- 20-VFQFN Exposed Pad
- 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-DHVQFN (4.5x2.5)
74VHC541BQ-Q100X FAQ
1.How can I place an order for 74VHC541BQ-Q100X through Aetrix?
Please submit a Request for Quotation (RFQ) for 74VHC541BQ-Q100X 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 74VHC541BQ-Q100X reliable?
The price and inventory of 74VHC541BQ-Q100X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74VHC541BQ-Q100X is usually 5 days.
3.What payment methods are accepted for 74VHC541BQ-Q100X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74VHC541BQ-Q100X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74VHC541BQ-Q100X?
74VHC541BQ-Q100X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74VHC541BQ-Q100X 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 74VHC541BQ-Q100X?
For technical support, including 74VHC541BQ-Q100X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74VHC541BQ-Q100X requirements.
6.How does Aetrix verify that 74VHC541BQ-Q100X is sourced from the original manufacturer or authorized distributors?
All 74VHC541BQ-Q100X 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 74VHC541BQ-Q100X meets industry standards.
7.What is the process for return or replacement of 74VHC541BQ-Q100X?
All 74VHC541BQ-Q100X units undergo pre-shipment inspection (PSI). If there is an issue with 74VHC541BQ-Q100X, 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 74VHC541BQ-Q100X part is unused and in its original packaging.
Return procedure for 74VHC541BQ-Q100X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74VHC541BQ-Q100X Tags
-
SN74LVC1G17DBVR
Texas Instruments
-
SN74LVC1G07DCKR
Texas Instruments
-
SN74LVC1G17DCKR
Texas Instruments
-
SN74LVC1G07DBVR
Texas Instruments
-
SN74LVC1G125DCKR
Texas Instruments
-
SN74AHCT1G126DBVR
Texas Instruments
-
SN74LVC1G125DBVR
Texas Instruments
-
SN74AHCT1G125DBVR
Texas Instruments
-
SN74LVC2G17DBVR
Texas Instruments
-
SN74LVC2G07DCKR
Texas Instruments
-
SN74LVC1G34DCKR
Texas Instruments
-
SN74LVC2G17DCKR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
