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Nexperia USA Inc. 74AHC2G126DC-Q100H
- Part No.:
- 74AHC2G126DC-Q100H
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 8-VFSOP (0.091", 2.30mm Width)
- Datasheet:
-
74AHC2G126DC-Q100H.pdf
- Description:
- IC BUF NON-INVERT 5.5V 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,181
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Product details
Overview
74AHC2G126DC-Q100 from Nexperia is an automotive-qualified dual CMOS buffer/line driver with 3-state outputs, overvoltage-tolerant inputs (up to 5.5 V), wide supply range (2.0–5.5 V), and AEC-Q100 Grade 1 qualification (−40 °C to +125 °C). It enables bidirectional voltage translation in mixed-voltage automotive subsystems such as body control modules and infotainment interfaces.
For engineers reviewing the 74AHC2G126DC-Q100 datasheet, 74AHC2G126DC-Q100 pinout, 74AHC2G126DC-Q100 application, or 74AHC2G126DC-Q100 equivalent, key selection criteria include 3-state timing (enable/disable delays ≤9.5 ns at 5 V), symmetrical output impedance, TTL/CMOS input compatibility, and VSSOP8 package suitability for space-constrained PCB layouts.
Technical Context
This device implements two independent non-inverting buffers, each with active-HIGH output enable (1OE, 2OE) controlling high-impedance tri-state output behavior. Input logic thresholds are CMOS-compatible (VIH = 3.85 V min at VCC = 5.5 V), ensuring robust noise immunity in 3.3 V and 5 V domains.
Dynamic performance is characterized by matched propagation delays (tpd ≤ 5.5 ns typ at VCC = 5 V, CL = 15 pF) and tightly controlled enable/disable timing (ten ≤ 7.5 ns, tdis ≤ 9.5 ns), supporting synchronous bus interfacing and signal isolation in automotive serial control paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 5.5 V - supports direct interface with 3.3 V microcontrollers and 5 V legacy peripherals without level shifters. |
| Input Voltage Tolerance | Up to 5.5 V - allows safe connection of 5 V signals to 3.3 V domain without external clamping. |
| Propagation Delay (tpd) | ≤5.5 ns (typ) at VCC = 5.0 V, CL = 15 pF - ensures minimal signal skew in time-critical data routing. |
| Enable Time (ten) | ≤7.5 ns (max) at VCC = 5.0 V, CL = 50 pF - enables fast bus arbitration and dynamic output control. |
| Output Drive Strength | ±8 mA at VOH/VOL - sufficient to drive 15 pF loads across temperature while maintaining rail-to-rail swing. |
| AEC-Q100 Qualification | Grade 1 (−40 °C to +125 °C) - validated for under-hood and powertrain-adjacent applications. |
| ESD Protection | HBM >2000 V, CDM >1000 V - meets automotive ESD robustness requirements per JS-001/JS-002. |
Pinout & Package
VSSOP8 package (SOT765-1): plastic very thin shrink small outline, 8 leads, 2.3 mm body width, 0.65 mm pitch - optimized for high-density automotive PCBs with thermal derating of 4.9 mW/K above 99 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7 (1OE, 2OE) | Output Enable (active HIGH) | Asserting HIGH places corresponding output (1Y or 2Y) in high-impedance state; critical for bus sharing and hot-swap isolation. |
| 2, 5 (1A, 2A) | Data Input | CMOS-level inputs tolerant to 5.5 V; accept logic signals from 2.0–5.5 V sources without damage or level shifting. |
| 3, 6 (2Y, 1Y) | Data Output | Non-inverting buffered outputs with symmetrical rise/fall times; drive capacitive loads up to 50 pF. |
| 4 | GND | Ground reference (0 V); must be low-impedance connection to minimize switching noise coupling. |
| 8 | VCC | Primary supply rail; decoupling capacitor (100 nF) required within 5 mm for stable operation. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 - certified for continuous operation from −40 °C to +125 °C in engine bay and chassis modules. |
| Voltage translation capability | Overvoltage-tolerant inputs (to 5.5 V) with 2.0–5.5 V supply - enables seamless interconnection between 3.3 V SoCs and 5 V sensors/actuators. |
| Low dynamic power | CPD = 10 pF per buffer - limits switching power dissipation in high-frequency control loops (e.g., PWM gate drivers). |
| Matched timing | Propagation and enable delays balanced across both channels - essential for differential signaling and parallel bus integrity. |
| Robust latch-up immunity | Exceeds 100 mA per JESD78 Class II Level A - prevents destructive latch-up during transient overvoltage events in automotive environments. |
Applications
| Body Control Module (BCM) | Infotainment Display Interface |
|---|---|
|
Use Scenario: Isolating CAN/LIN transceiver I/O from MCU GPIOs while enabling shared bus access. IC Role / Device Role / Timing Role: Dual 3-state buffer providing direction-controlled signal routing and bus contention prevention. Use Value: Prevents signal corruption during MCU reset sequences by placing outputs in high-Z state until firmware initialization completes. |
Use Scenario: Driving RGB timing signals from a 3.3 V display controller to a 5 V backlight LED driver IC. IC Role / Device Role / Timing Role: Voltage-translating line driver with matched propagation delay across R/G/B channels. Use Value: Eliminates need for discrete level shifters, reducing BOM count and layout area while preserving pixel clock edge alignment. |
| Power Distribution Unit (PDU) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
|
Use Scenario: Enabling/disabling communication lines to multiple solenoid drivers based on safety state. IC Role / Device Role / Timing Role: Safety-critical 3-state gate controlling diagnostic and actuation signal paths. Use Value: Fast disable time (≤9.5 ns) ensures immediate signal isolation upon fault detection, meeting ASIL-B timing constraints. |
Use Scenario: Buffering camera sensor sync pulses and I²C configuration signals in multi-camera fusion units. IC Role / Device Role / Timing Role: Low-skew dual buffer isolating high-speed timing signals from noisy power domains. Use Value: Symmetrical output impedance minimizes jitter accumulation across parallel sensor lanes, preserving image frame synchronization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74AHCT2G126DC-Q100 | TTL-compatible inputs (VIH = 2.0 V min), identical pinout and timing. | Better suited for legacy 5 V systems with TTL logic families; less suitable for pure CMOS 3.3 V domains. | Select when interfacing with older 5 V microcontrollers or discrete TTL gates requiring lower VIH thresholds. |
| SN74LVC2G126DBVR | Lower VCC range (1.65–5.5 V), same VSSOP8 package, but not AEC-Q100 qualified. | Limited to industrial or consumer applications; lacks automotive temperature and reliability validation. | Use only in non-automotive designs where cost sensitivity outweighs qualification requirements. |
Compared with 74AHC2G126DC-Q100, the AHCT variant offers broader TTL compatibility at the expense of higher static current in mixed-voltage setups, while the LVC alternative trades automotive qualification for wider low-voltage operation - making the AHC version optimal for new AEC-Q100-compliant 3.3 V/5 V coexistence designs.
Availability
74AHC2G126DC-Q100 is available at Aetrix Electronics and suitable for automotive body electronics, infotainment interfaces, and ADAS sensor hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74AHC2G126DC-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 delivering high-performance, reliable components for automotive, industrial, and consumer markets, with leadership in logic, MOSFETs, and ESD protection.
This device belongs to Nexperia's automotive-qualified AHC logic family, designed specifically for robust signal buffering and voltage translation in harsh-temperature vehicle subsystems where reliability and interoperability are critical.
FAQ
What is the maximum operating temperature for the 74AHC2G126DC-Q100?
The device is qualified per AEC-Q100 Grade 1 with full functionality guaranteed from −40 °C to +125 °C ambient temperature. Absolute maximum junction temperature is +150 °C, and total power dissipation derates linearly at 4.9 mW/K above 99 °C in the VSSOP8 package.
Can the 74AHC2G126DC-Q100 interface a 3.3 V microcontroller with a 5 V peripheral?
Yes - its overvoltage-tolerant inputs accept up to 5.5 V regardless of VCC setting, and its 2.0–5.5 V supply range allows operation at 3.3 V while safely receiving 5 V signals. No external level-shifting components are needed for this use case.
How does the 3-state output behavior work on this device?
Each buffer has a dedicated active-HIGH output enable (1OE or 2OE). When OE is LOW, the corresponding output (1Y or 2Y) drives the input signal; when OE is HIGH, the output enters high-impedance state, electrically disconnecting the load from the driving source - essential for bus sharing and signal isolation.
Is there a pin-compatible alternative with TTL input thresholds?
Yes - the 74AHCT2G126DC-Q100 shares identical pinout, package, and timing specs but features TTL-compatible input thresholds (VIH = 2.0 V min), making it suitable for interfacing with legacy 5 V TTL logic while retaining AEC-Q100 Grade 1 qualification.
74AHC2G126DC-Q100H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74AHC
- Package/Case:
- 8-VFSOP (0.091", 2.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- 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:
- 8-VSSOP
74AHC2G126DC-Q100H FAQ
1.How can I place an order for 74AHC2G126DC-Q100H through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHC2G126DC-Q100H 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 74AHC2G126DC-Q100H reliable?
The price and inventory of 74AHC2G126DC-Q100H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC2G126DC-Q100H is usually 5 days.
3.What payment methods are accepted for 74AHC2G126DC-Q100H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC2G126DC-Q100H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHC2G126DC-Q100H?
74AHC2G126DC-Q100H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHC2G126DC-Q100H 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 74AHC2G126DC-Q100H?
For technical support, including 74AHC2G126DC-Q100H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC2G126DC-Q100H requirements.
6.How does Aetrix verify that 74AHC2G126DC-Q100H is sourced from the original manufacturer or authorized distributors?
All 74AHC2G126DC-Q100H 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 74AHC2G126DC-Q100H meets industry standards.
7.What is the process for return or replacement of 74AHC2G126DC-Q100H?
All 74AHC2G126DC-Q100H units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC2G126DC-Q100H, 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 74AHC2G126DC-Q100H part is unused and in its original packaging.
Return procedure for 74AHC2G126DC-Q100H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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