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Nexperia USA Inc. 74HCT08BQ-Q100,115
- Part No.:
- 74HCT08BQ-Q100,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 14-VFQFN Exposed Pad
- Datasheet:
-
74HCT08BQ-Q100,115.pdf
- Description:
- IC GATE AND 4CH 2-INP 14DHVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,754
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Product details
Overview
74HCT08BQ-Q100 from Nexperia is an automotive-qualified quad 2-input AND gate in DHVQFN14 package, operating from -40 °C to +125 °C with TTL-compatible inputs (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5–5.5 V), 4.5–5.5 V supply range, and propagation delay of 14–36 ns (typ/max over temperature). It serves as a logic-level combinatorial gate in automotive body control modules, sensor interface signal conditioning, and power management sequencing.
For engineers reviewing the 74HCT08BQ-Q100 datasheet, 74HCT08BQ-Q100 pinout, 74HCT08BQ-Q100 application, or 74HCT08BQ-Q100 equivalent, key selection criteria include AEC-Q100 Grade 1 qualification, DHVQFN14 side-wettable flank compatibility with AOI, TTL input threshold alignment with legacy microcontrollers, and guaranteed operation up to +125 °C ambient.
Technical Context
This device implements four independent 2-input AND gates using silicon-gate CMOS technology with TTL-level input thresholds-enabling direct interfacing with 5 V microcontroller GPIOs without level translation. Input clamp diodes allow safe operation with input voltages exceeding VCC when used with current-limiting resistors.
It features low dynamic power dissipation (CPD = 20 pF), high noise immunity (typical VIH–VIL margin >1.2 V), and latch-up immunity exceeding 100 mA per JESD78 Class II Level B. The DHVQFN14 package provides thermal enhancement and solder-joint inspection capability via side-wettable flanks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input AND gate; each gate performs Boolean Y = A · B independently |
| Supply Voltage Range | 4.5 V to 5.5 V; ensures compatibility with standard 5 V automotive rails and avoids undervoltage lockout |
| Input Thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V (at VCC = 4.5–5.5 V); matches TTL logic families for seamless integration |
| Propagation Delay | 14 ns typ / 36 ns max (VCC = 4.5 V, CL = 50 pF, -40 °C to +125 °C); supports timing-critical combinational logic paths |
| Operating Temperature | -40 °C to +125 °C; qualified per AEC-Q100 Grade 1 for under-hood and powertrain applications |
| Output Drive | ±4.0 mA (VOH/VOL specified at IO = ±4.0 mA); sufficient to drive multiple 74-series inputs or small capacitive loads |
| Power Dissipation | CPD = 20 pF; enables accurate dynamic power estimation (PD = CPD × VCC² × fi × N) |
Pinout & Package
DHVQFN14 package (SOT762-1), 2.5 × 3.0 × 0.85 mm body, no leads, exposed thermal pad (non-functional unless connected to GND), side-wettable flanks for AOI.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A (Pins 1, 4, 9, 12) | First input of each AND gate | Accepts TTL-level signals; clamped to VCC/GND for overvoltage tolerance |
| 1B, 2B, 3B, 4B (Pins 2, 5, 10, 13) | Second input of each AND gate | Independent input per gate; identical electrical characteristics to A inputs |
| 1Y, 2Y, 3Y, 4Y (Pins 3, 6, 8, 11) | Output of each AND gate | CMOS push-pull output; drives high/low with defined VOH/VOL under load |
| GND (Pin 7) | Ground reference | Primary 0 V return path; required for all DC and AC performance specifications |
| VCC (Pin 14) | Positive supply | Supplies core logic and output drivers; decoupling near this pin is critical for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive use from -40 °C to +125 °C ambient, including HTOL, TC, and ESD stress testing |
| Side-wettable flanks (SWF) | Enables automated optical inspection (AOI) of solder joints on bottom-terminated QFN packages |
| TTL-compatible input thresholds | VIH ≥ 2.0 V and VIL ≤ 0.8 V at 4.5–5.5 V supply-eliminates need for external level shifters with 5 V MCU I/O |
| Input clamp diodes | Allow safe interfacing to signals up to VCC + 0.5 V using series current-limiting resistors |
| High noise immunity | Guaranteed VIH–VIL margin >1.2 V across full temperature and voltage range reduces susceptibility to switching noise |
Applications
| Body Control Module Logic | Engine Control Unit Signal Gating |
|---|---|
|
Use Scenario: Combining door lock status, ignition state, and brake pedal position to enable/disable window motor power. IC Role / Device Role / Timing Role: Combinatorial logic gate performing real-time AND of three safety-critical inputs before enabling power path. Use Value: Ensures hardware-enforced interlock without software latency; operates reliably at 125 °C under hood. |
Use Scenario: Enabling fuel injector driver only when crankshaft position signal is valid AND engine speed exceeds idle threshold. IC Role / Device Role / Timing Role: Synchronous gating element synchronizing actuator enable with validated sensor data. Use Value: Prevents unintended injection during cranking; propagation delay <36 ns meets sub-microsecond timing budgets. |
| Automotive Lighting Sequencer | ADAS Camera Power Sequencing |
|
Use Scenario: Controlling sequential LED turn signal activation by AND-ing PWM dimming signal with directional enable flag. IC Role / Device Role / Timing Role: Level-shifting and logic combining between 3.3 V MCU outputs and 5 V LED driver inputs. Use Value: TTL input compatibility eliminates level shifter IC; SWF package supports high-yield reflow in lighting module assembly. |
Use Scenario: Enabling camera image sensor power only after both PMIC rail stabilization and FPGA configuration completion. IC Role / Device Role / Timing Role: Hardware-based power-up coordination gate ensuring strict sequencing dependency. Use Value: Prevents sensor initialization failure due to out-of-order power delivery; AEC-Q100 qualification ensures field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2-input AND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT08PW-Q100 | TSSOP14 package (SOT402-1); same electrical specs but 4.4 mm body width and no side-wettable flanks | Suitable for manual inspection or legacy TSSOP assembly lines; lacks AOI support for high-volume SMT | Select when board space allows wider footprint and AOI is not required. |
| SN74HCT08QPWRQ1 | Texas Instruments variant in TSSOP14; identical logic function and AEC-Q100 Grade 1, but different ESD ratings (HBM 4 kV vs Nexperia's 2 kV) | Higher HBM rating may be preferred in handling-sensitive production environments; same timing and drive strength | Choose if TI supply chain alignment or enhanced HBM robustness is prioritized over Nexperia's SWF advantage. |
Compared with 74HCT08PW-Q100 and SN74HCT08QPWRQ1, the 74HCT08BQ-Q100 uniquely delivers AOI-capable side-wettable flanks in a 2.5 mm × 3.0 mm footprint-reducing post-reflow inspection cost while maintaining identical logic behavior and automotive qualification.
Availability
74HCT08BQ-Q100 is available at Aetrix Electronics and suitable for automotive body control modules, engine control unit signal gating, and ADAS camera power sequencing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74HCT08BQ-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 Dutch semiconductor manufacturer specializing in high-performance, high-reliability logic, analog, and discrete components for automotive, industrial, and consumer markets.
The 74HCT series targets automotive and industrial systems requiring TTL-compatible logic with AEC-Q100 qualification, emphasizing robustness, thermal stability, and manufacturability in high-volume SMT processes.
FAQ
Is the exposed thermal pad on the DHVQFN14 package electrically connected?
No-the exposed pad (Pin 1 index area) has no internal electrical connection. Per datasheet note, it may remain floating or be connected to GND if soldered, but no electrical or mechanical requirement exists to do so. Thermal benefit is marginal; primary purpose is mechanical stability and AOI visibility.
Can 74HCT08BQ-Q100 operate with a 3.3 V supply?
No-it is specified only for 4.5 V to 5.5 V operation. At 3.3 V, input thresholds (VIH ≥ 2.0 V) would violate recommended conditions, and output drive (VOH/VOL) is not characterized. For 3.3 V systems, use 74LVC08 or 74AHC08 variants instead.
What is the maximum capacitive load this device can drive reliably?
The device is characterized with CL = 50 pF in dynamic tests, and its transition time (tt = 7–22 ns) and output drive (±4.0 mA) support loads up to ~75 pF while maintaining timing margins. For loads >50 pF, verify setup/hold timing in the target application and consider adding series termination.
Does this part support hot insertion or live insertion into a powered backplane?
No-hot insertion is not supported. Absolute maximum ratings prohibit applying input signals before VCC is stable, and the absence of Ioff (power-off protection) means inputs may back-drive when VCC = 0 V. System-level hot-swap protection must be implemented externally.
74HCT08BQ-Q100,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HCT
- Package/Case:
- 14-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- AND 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:
- 4mA, 4mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 24ns @ 4.5V, 50pF
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-DHVQFN (2.5x3)
74HCT08BQ-Q100,115 FAQ
1.How can I place an order for 74HCT08BQ-Q100,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT08BQ-Q100,115 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 74HCT08BQ-Q100,115 reliable?
The price and inventory of 74HCT08BQ-Q100,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT08BQ-Q100,115 is usually 5 days.
3.What payment methods are accepted for 74HCT08BQ-Q100,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT08BQ-Q100,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT08BQ-Q100,115?
74HCT08BQ-Q100,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT08BQ-Q100,115 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 74HCT08BQ-Q100,115?
For technical support, including 74HCT08BQ-Q100,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT08BQ-Q100,115 requirements.
6.How does Aetrix verify that 74HCT08BQ-Q100,115 is sourced from the original manufacturer or authorized distributors?
All 74HCT08BQ-Q100,115 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 74HCT08BQ-Q100,115 meets industry standards.
7.What is the process for return or replacement of 74HCT08BQ-Q100,115?
All 74HCT08BQ-Q100,115 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT08BQ-Q100,115, 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 74HCT08BQ-Q100,115 part is unused and in its original packaging.
Return procedure for 74HCT08BQ-Q100,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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