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Nexperia USA Inc. 74ALVC32BQ-Q100X
- Part No.:
- 74ALVC32BQ-Q100X
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 14-VFQFN Exposed Pad
- Datasheet:
-
74ALVC32BQ-Q100X.pdf
- Description:
- IC GATE OR 4CH 2-INP 14DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,849
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Product details
Overview
74ALVC32BQ-Q100 from Nexperia is a quad 2-input OR gate with Schmitt-trigger inputs, IOFF partial power-down capability, AEC-Q100 Grade 1 qualification, and operation from -40 °C to +125 °C at 1.65–3.6 V supply. It delivers propagation delay as low as 2.0 ns (typ) at 3.0–3.6 V and supports automotive body control modules requiring noise-immune logic-level translation.
For engineers reviewing the 74ALVC32BQ-Q100 datasheet, 74ALVC32BQ-Q100 pinout, 74ALVC32BQ-Q100 application, or 74ALVC32BQ-Q100 equivalent, key selection criteria include IOFF-enabled system-level power sequencing, Schmitt-trigger input hysteresis for slow-edge signal conditioning, automotive temperature compliance, and DHVQFN14 package compatibility with AOI-solder-joint inspection.
Technical Context
This device implements four independent OR logic functions with Schmitt-trigger inputs that provide hysteresis (typically 0.3–0.5 V) to reject noise on slow-rising/falling signals. Each gate accepts TTL-compatible input levels and drives CMOS loads up to ±24 mA at VCC = 3.0 V.
The IOFF circuit actively disables outputs when VCC = 0 V, limiting backflow current to ≤±10 μA (max) and enabling hot-insertion in multi-rail automotive subsystems. Input tolerance extends to 3.6 V regardless of VCC, allowing mixed-voltage interfacing without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input OR gate - provides four independent Boolean OR operations per package |
| Supply Voltage Range | 1.65 V to 3.6 V - enables direct interface with 1.8 V, 2.5 V, and 3.3 V logic domains |
| Propagation Delay (tpd) | 2.0 ns (typ) at VCC = 3.0–3.6 V - ensures timing-critical signal routing in ADAS sensor preprocessing |
| IOFF Leakage Current | ≤±10 μA max at VCC = 0 V - prevents damaging backflow during partial power-down sequences |
| Input Hysteresis | 0.3–0.5 V (Schmitt-trigger) - rejects EMI-induced glitches on long harness traces in vehicle networks |
| AEC-Q100 Grade | Grade 1 (−40 °C to +125 °C) - qualified for under-hood and powertrain control applications |
| ESD Robustness | HBM >2000 V, CDM >1000 V - withstands assembly handling and in-vehicle electrostatic events |
Pinout & Package
DHVQFN14 (SOT762-1) package: 2.5 × 3.0 × 0.85 mm body, side-wettable flanks for automated optical inspection (AOI), no leads, 14-terminal surface-mount construction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1A | First OR gate input A - accepts 0–3.6 V logic signals independent of VCC |
| 2 | 1B | First OR gate input B - Schmitt-triggered for noise immunity on slow edges |
| 3 | 1Y | First OR gate output - drives CMOS/TTL loads with VOH ≥2.2 V at 24 mA sink |
| 4 | 4B | Fourth OR gate input B - electrically identical to 1A/1B; fully interchangeable |
| 5 | 4A | Fourth OR gate input A - shares same input structure and voltage tolerances |
| 6 | 4Y | Fourth OR gate output - matches 1Y electrical performance and drive strength |
| 7 | GND | Ground reference (0 V) - required for all DC bias and signal return paths |
| 8 | 3Y | Third OR gate output - supports simultaneous fan-out to multiple downstream logic stages |
| 9 | 3A | Third OR gate input A - enables compact layout with adjacent input/output pairing |
| 10 | 3B | Third OR gate input B - co-located with 3A for minimized trace length in PCB routing |
| 11 | 2Y | Second OR gate output - isolated from other outputs to prevent crosstalk in high-speed switching |
| 12 | 2A | Second OR gate input A - positioned for orthogonal routing to reduce coupling with 2Y |
| 13 | 2B | Second OR gate input B - completes second gate pair; shares same Schmitt characteristics |
| 14 | VCC | Positive supply rail - powers all four gates; IOFF activates when VCC = 0 V |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Provides 0.3–0.5 V hysteresis to suppress noise on long automotive wiring harnesses |
| IOFF partial power-down | Disables outputs and limits leakage to ≤±10 μA when VCC = 0 V, enabling safe hot-swap |
| AEC-Q100 Grade 1 | Qualified for −40 °C to +125 °C operation - meets thermal requirements for engine bay ECUs |
| Overvoltage-tolerant inputs | Accepts up to 3.6 V regardless of VCC setting - eliminates need for external level shifters |
| DHVQFN14 with side-wettable flanks | Enables automated optical inspection of solder joints - improves manufacturing yield in automotive SMT lines |
Applications
| Body Control Module (BCM) | Power Distribution Unit (PDU) |
|---|---|
Use Scenario: Combining door lock status, window position, and mirror fold signals into a single wake-up request line to microcontroller. IC Role / Device Role / Timing Role: Logic OR gate aggregating multiple low-speed sensor inputs with Schmitt-trigger noise rejection. Use Value: Reduces MCU interrupt load by consolidating discrete wake sources while rejecting switch bounce and harness EMI. |
Use Scenario: Monitoring overcurrent fault flags from four independent MOSFET drivers in a 12 V distribution rail. IC Role / Device Role / Timing Role: Fault-or logic block generating a unified "rail fault" signal for system shutdown sequencing. Use Value: Enables fast (<3.2 ns max) fault aggregation without adding propagation delay to safety-critical shutdown path. |
| Infotainment System Power Sequencing | ADAS Camera Interface Conditioning |
Use Scenario: Enabling main SoC power rails only after all auxiliary supplies (USB, audio codec, display backlight) are stable. IC Role / Device Role / Timing Role: OR gate combining individual "supply OK" signals to generate global "all-rails-ready" assertion. Use Value: Ensures deterministic power-up order via hardware logic, eliminating firmware dependency and boot-time race conditions. |
Use Scenario: Cleaning noisy LVDS or MIPI clock enable signals from camera module before feeding to image processor. IC Role / Device Role / Timing Role: Schmitt-trigger buffer normalizing slow-rise clock gating signals from automotive-grade sensors. Use Value: Prevents metastability in image capture timing by converting marginal edges into clean digital transitions. |
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 |
|---|---|---|---|
| 74LVC32AD-Q100 | Lacks Schmitt-trigger inputs; lower hysteresis margin (0.1–0.2 V); identical IOFF and AEC-Q100 Grade 1 rating | Not suitable for noisy harness environments; requires external RC filtering for slow-edge signals | Select when cost sensitivity outweighs noise immunity needs and input edges are already conditioned |
| SN74LVC32APWR | Commercial-grade (−40 °C to +85 °C); no AEC-Q100 qualification; same pinout and logic function | Restricted to cabin electronics; not approved for powertrain or under-hood use | Choose only for non-automotive prototypes or infotainment subsystems outside thermal stress zones |
Compared with 74LVC32AD-Q100, the 74ALVC32BQ-Q100 adds essential Schmitt-trigger noise immunity for unshielded automotive wiring; versus SN74LVC32APWR, it delivers full AEC-Q100 Grade 1 qualification required for functional safety–related power sequencing and fault monitoring.
Availability
74ALVC32BQ-Q100 is available at Aetrix Electronics and suitable for automotive body control modules, power distribution units, infotainment power sequencing, and ADAS camera interface conditioning requiring stable component supply across extended temperature ranges and rigorous automotive qualification.
Supply support for 74ALVC32BQ-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 leading semiconductor manufacturer specializing in high-performance logic, analog, and discrete components, with core expertise in automotive-qualified standard products.
The 74ALVC32-Q100 belongs to Nexperia's automotive logic family, designed specifically to meet AEC-Q100 requirements for under-hood and chassis control applications where reliability, noise immunity, and power sequencing integrity are critical.
FAQ
Does the 74ALVC32BQ-Q100 support mixed-voltage operation between input and supply rails?
Yes - its inputs tolerate up to 3.6 V regardless of VCC setting (1.65–3.6 V), enabling direct connection to higher-voltage logic without level shifters. This is confirmed in Table 5 (Recommended Operating Conditions) and Table 4 (Limiting Values) of the datasheet, where VI(max) = +4.6 V absolute maximum and VI = 0–3.6 V recommended range applies independently of VCC.
What is the purpose of the exposed pad (terminal 7) in the DHVQFN14 package?
Terminal 7 is labeled GND but is not an electrical ground pin - it is a thermal pad with no mandatory electrical connection. Per section 5.1, it may remain floating or be connected to PCB ground plane solely for thermal enhancement; soldering is optional and does not affect logic functionality or IOFF behavior.
How does the IOFF feature behave during power-down sequences?
When VCC drops to 0 V, the IOFF circuit disables all outputs (1Y–4Y), limiting backflow current to ≤±10 μA (max) even if inputs or outputs are driven externally. This is verified in Table 6 (Static Characteristics) under "IOFF power-off leakage current" and enables safe partial power-down in multi-rail automotive systems.
Can the 74ALVC32BQ-Q100 replace older 74HC32 devices in automotive designs?
No - while functionally equivalent, the 74ALVC32BQ-Q100 operates down to 1.65 V and features IOFF/Schmitt inputs absent in 74HC32. Direct replacement requires verifying VCC compatibility, revalidating timing margins (tpd is faster), and confirming that IOFF activation aligns with system power architecture.
74ALVC32BQ-Q100X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74ALVC
- 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:
- 1.65V ~ 3.6V
- Current - Quiescent (Max):
- 10 µA
- Current - Output High, Low:
- 24mA, 24mA
- Input Logic Level - Low:
- 0.7V ~ 0.8V
- Input Logic Level - High:
- 1.7V ~ 2V
- Max Propagation Delay @ V, Max CL:
- 2.8ns @ 3.3V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-DHVQFN (2.5x3)
74ALVC32BQ-Q100X FAQ
1.How can I place an order for 74ALVC32BQ-Q100X through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ALVC32BQ-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 74ALVC32BQ-Q100X reliable?
The price and inventory of 74ALVC32BQ-Q100X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ALVC32BQ-Q100X is usually 5 days.
3.What payment methods are accepted for 74ALVC32BQ-Q100X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ALVC32BQ-Q100X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ALVC32BQ-Q100X?
74ALVC32BQ-Q100X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ALVC32BQ-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 74ALVC32BQ-Q100X?
For technical support, including 74ALVC32BQ-Q100X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ALVC32BQ-Q100X requirements.
6.How does Aetrix verify that 74ALVC32BQ-Q100X is sourced from the original manufacturer or authorized distributors?
All 74ALVC32BQ-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 74ALVC32BQ-Q100X meets industry standards.
7.What is the process for return or replacement of 74ALVC32BQ-Q100X?
All 74ALVC32BQ-Q100X units undergo pre-shipment inspection (PSI). If there is an issue with 74ALVC32BQ-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 74ALVC32BQ-Q100X part is unused and in its original packaging.
Return procedure for 74ALVC32BQ-Q100X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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