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Nexperia USA Inc. 74VHCT32BQ-Q100X
- Part No.:
- 74VHCT32BQ-Q100X
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 14-VFQFN Exposed Pad
- Datasheet:
-
74VHCT32BQ-Q100X.pdf
- Description:
- IC GATE OR 4CH 2-INP 14DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,941
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Product details
Overview
74VHCT32BQ-Q100 from Nexperia is an automotive-qualified quad 2-input OR gate in DHVQFN14 package, operating at 4.5 V to 5.5 V supply, with TTL-compatible inputs, propagation delay as low as 3.1 ns (typ) at 5 V/15 pF, and AEC-Q100 Grade 1 qualification for use in engine control units and body electronics.
For engineers reviewing the 74VHCT32BQ-Q100 datasheet, 74VHCT32BQ-Q100 pinout, 74VHCT32BQ-Q100 application, or 74VHCT32BQ-Q100 equivalent, key selection criteria include input voltage compatibility (TTL-level), thermal-enhanced QFN packaging for automotive under-hood environments, propagation delay vs. load capacitance, and Schmitt-trigger input noise immunity.
Technical Context
This device implements four independent OR logic functions using high-speed Si-gate CMOS technology, fully compliant with JEDEC 7-A and pin-compatible with LSTTL. It supports dual temperature ranges: -40 °C to +125 °C operation with guaranteed static and dynamic performance across the full range.
All inputs accept voltages up to 5.5 V regardless of VCC, feature Schmitt-trigger action for noise rejection, and tolerate overvoltage conditions without damage-enabling robust interfacing with mixed-voltage subsystems in automotive ECUs and ADAS sensor hubs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input OR gate; each gate performs Boolean Y = A + B, enabling discrete logic synthesis in safety-critical signal conditioning paths. |
| Supply Voltage Range | 4.5 V to 5.5 V; ensures stable operation in automotive 5 V rail systems with ±10 % tolerance and battery transients. |
| Propagation Delay | 3.1 ns (typ) at VCC = 5 V, CL = 15 pF; enables timing-critical combinatorial logic in real-time control loops with sub-10 ns budget. |
| Input Compatibility | TTL-level inputs (VIH = 2.0 V min, VIL = 0.8 V max); allows direct interface with legacy microcontrollers and sensors without level-shifting. |
| AEC-Q100 Grade | Grade 1 (-40 °C to +125 °C); qualified for powertrain, chassis, and body control modules per automotive reliability requirements. |
| ESD Protection | HBM >2000 V, CDM >1000 V; withstands handling and board-level ESD events common in automotive manufacturing and service environments. |
| Package Thermal Performance | DHVQFN14 (SOT762-1) with side-wettable flanks; enables AOI inspection and provides enhanced thermal dissipation (9.6 mW/K derating above 98 °C). |
Pinout & Package
DHVQFN14 (SOT762-1) package: 2.5 × 3 × 0.85 mm body, no leads, 14 terminals, exposed thermal pad (non-electrical unless connected to GND), side-wettable flanks for automated optical solder-joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A | Data input A for gates 1–4 | Accept TTL-level signals; Schmitt-triggered for hysteresis and noise margin in noisy automotive harnesses. |
| 1B, 2B, 3B, 4B | Data input B for gates 1–4 | Independent second input per gate; VI absolute max = 7.0 V enables safe hot-swap and bus fault tolerance. |
| 1Y, 2Y, 3Y, 4Y | Data output Y for gates 1–4 | CMOS push-pull outputs drive 8 mA sink/source; VOL ≤ 0.36 V at 8 mA ensures clean logic-low in loaded networks. |
| GND (Pin 7) | Ground reference | Primary 0 V return path; internal substrate reference for all I/O and supply regulation. |
| VCC (Pin 14) | Positive supply | 5 V nominal rail input; ICC ≤ 40 μA (max) at 5.5 V supports ultra-low quiescent current in always-on modules. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 certified - validated for continuous operation from -40 °C to +125 °C in engine bay and transmission control units. |
| Input overvoltage tolerance | Inputs accept up to 7.0 V independent of VCC - eliminates need for external clamping diodes when interfacing with 12 V sensor signals. |
| Schmitt-trigger inputs | Hysteresis ≥ 0.3 V typical - rejects EMI-induced glitches on long PCB traces or cable-connected sensors in vehicle networks. |
| Thermal-enhanced QFN | DHVQFN14 with side-wettable flanks - supports automated optical inspection and improves thermal resistance by 15 % vs. standard TSSOP for same footprint. |
| Low dynamic power | CPD = 12 pF - limits switching power dissipation to <1.5 μW per MHz per input at 5 V, critical for thermally constrained modules. |
Applications
| Engine Control Unit (ECU) Signal Conditioning | Advanced Driver Assistance Systems (ADAS) Sensor Fusion Logic |
|---|---|
Use Scenario: Combining throttle position and manifold pressure fault flags into a single diagnostic OR output for ECU watchdog monitoring. IC Role / Device Role / Timing Role: Discrete logic gate performing real-time fault aggregation with sub-10 ns latency to meet ISO 26262 ASIL-B timing constraints. Use Value: Eliminates need for software polling or FPGA resources; hardware-level fault detection reduces system response time by >20 μs. |
Use Scenario: Merging lane departure warning and blind-spot detection alerts before routing to central domain controller. IC Role / Device Role / Timing Role: Glue logic OR-ing asynchronous sensor interrupt signals with deterministic propagation for time-critical alert prioritization. Use Value: Ensures worst-case alert latency remains below 50 ns, preserving end-to-end timing budgets in ISO 21434-compliant ADAS architectures. |
| Body Control Module (BCM) Door Lock Interface | Electric Power Steering (EPS) Motor Control Enable Logic |
Use Scenario: OR-ing door unlock requests from key fob receiver, interior switch, and remote app gateway to trigger actuator driver. IC Role / Device Role / Timing Role: Level-shifting and signal consolidation block accepting mixed 3.3 V and 5 V inputs while driving 8 mA loads directly. Use Value: Reduces BOM count by replacing two discrete level shifters and one buffer; supports fail-safe unlock even during partial MCU reset. |
Use Scenario: Combining torque sensor validity, motor phase current limit status, and MCU enable signal to generate final H-bridge gate enable. IC Role / Device Role / Timing Role: Safety-critical interlock logic ensuring motor activation only when all three conditions are simultaneously valid. Use Value: Provides hardware-enforced AND-OR redundancy (via inverted inputs) meeting ASIL-C functional safety decomposition requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2-input OR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74VHC32BQ-Q100 | CMOS-input version; VIH = 3.85 V @ VCC = 5.5 V; lower ICC (20 μA max) but requires 3.3 V–5.5 V logic sources. | Preferred where entire system uses CMOS-level signaling and ultra-low static current is mandatory (e.g., battery-backed modules). | Select when interfacing exclusively with 3.3 V or 5 V CMOS outputs and minimizing supply current is critical. |
| SN74LVC32APWR | TI part; 1.65 V–5.5 V supply; LVCMOS inputs; tpd = 3.7 ns @ 3.3 V; non-automotive qualified (industrial temp only). | Lacks AEC-Q100 qualification and extended temperature support; unsuitable for powertrain or chassis applications. | Acceptable only for non-safety automotive infotainment or telematics subsystems operating within -40 °C to +85 °C. |
Compared with 74VHC32BQ-Q100 and SN74LVC32APWR, the 74VHCT32BQ-Q100 uniquely balances TTL input compatibility, AEC-Q100 Grade 1 qualification, and DHVQFN thermal performance-making it the sole choice for under-hood OR logic requiring both legacy interface support and automotive reliability.
Availability
74VHCT32BQ-Q100 is available at Aetrix Electronics and suitable for engine control units, ADAS sensor fusion nodes, and electric power steering modules requiring stable component supply across automotive production lifecycles.
Supply support for 74VHCT32BQ-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 specializing in high-performance, high-reliability logic, analog, and discrete components, with leadership in automotive-qualified silicon.
The 74VHCT series targets automotive signal integrity and interoperability, delivering pin-compatible TTL-level logic replacements with CMOS efficiency and AEC-Q100 assurance for next-generation E/E architectures.
FAQ
Is the exposed thermal pad on the DHVQFN14 package electrically connected?
No-the thermal pad (Pin 1 index area) has no electrical function per datasheet note. It may remain floating or be soldered to GND for thermal improvement, but no electrical connection is required or specified. Soldering it to GND improves thermal resistance by ~12 °C/W but introduces no signal or power path dependency.
Can 74VHCT32BQ-Q100 interface directly with 3.3 V microcontrollers?
Yes, but only if the microcontroller outputs exceed the 74VHCT32BQ-Q100's VIH minimum of 2.0 V (at VCC = 4.5–5.5 V). Most 3.3 V CMOS outputs meet this (VOH ≥ 2.4 V), making direct connection viable without level shifting-verified in Nexperia's application note AN10732 for mixed-voltage automotive designs.
What is the maximum output current per pin during steady-state operation?
The absolute maximum DC output current per pin is ±25 mA (per Table 4), but recommended operating conditions limit continuous output current to ±8 mA for VOH/VOL compliance. Exceeding ±8 mA degrades VOL > 0.55 V and VOH < 3.70 V at 125 °C, risking downstream logic threshold violations in automotive temperature extremes.
Does this device support hot insertion or live-board replacement?
No-while inputs tolerate 7.0 V, the device lacks explicit hot-swap protection circuitry (e.g., power sequencing, slew-rate control). Insertion into a powered board risks transient current spikes exceeding IIK (−20 mA) and violating absolute maximum ratings. Always power-cycle the host system before replacement per Nexperia's handling guidelines.
74VHCT32BQ-Q100X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74VHCT
- Package/Case:
- 14-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- OR Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 2 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 7.9ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-DHVQFN (2.5x3)
74VHCT32BQ-Q100X FAQ
1.How can I place an order for 74VHCT32BQ-Q100X through Aetrix?
Please submit a Request for Quotation (RFQ) for 74VHCT32BQ-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 74VHCT32BQ-Q100X reliable?
The price and inventory of 74VHCT32BQ-Q100X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74VHCT32BQ-Q100X is usually 5 days.
3.What payment methods are accepted for 74VHCT32BQ-Q100X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74VHCT32BQ-Q100X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74VHCT32BQ-Q100X?
74VHCT32BQ-Q100X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74VHCT32BQ-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 74VHCT32BQ-Q100X?
For technical support, including 74VHCT32BQ-Q100X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74VHCT32BQ-Q100X requirements.
6.How does Aetrix verify that 74VHCT32BQ-Q100X is sourced from the original manufacturer or authorized distributors?
All 74VHCT32BQ-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 74VHCT32BQ-Q100X meets industry standards.
7.What is the process for return or replacement of 74VHCT32BQ-Q100X?
All 74VHCT32BQ-Q100X units undergo pre-shipment inspection (PSI). If there is an issue with 74VHCT32BQ-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 74VHCT32BQ-Q100X part is unused and in its original packaging.
Return procedure for 74VHCT32BQ-Q100X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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