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Nexperia USA Inc. 74AHC1G126GM,115
- Part No.:
- 74AHC1G126GM,115
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 6-XFDFN
- Datasheet:
-
74AHC1G126GM,115.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 6XSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,625
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Product details
Overview
74AHC1G126GM,115 from Nexperia is a single CMOS bus buffer/line driver with 3-state output and overvoltage-tolerant inputs (up to 5.5 V), designed for level translation in mixed-voltage systems. It operates from 2.0 V to 5.5 V, supports -40 °C to +125 °C ambient range, and delivers 8.0 ns typical propagation delay at 3.3 V with 15 pF load - used in I²C bus isolation, microcontroller GPIO expansion, and low-power sensor interface circuits.
For engineers reviewing the 74AHC1G126GM,115 datasheet, 74AHC1G126GM,115 pinout, 74AHC1G126GM,115 application, or 74AHC1G126GM,115 equivalent, this device serves as a compact, rail-to-rail compatible unidirectional buffer enabling voltage domain bridging between 1.8 V/3.3 V logic and 5 V peripherals while maintaining low static current (≤40 μA) and high noise immunity.
Technical Context
This device implements a single non-inverting buffer with active-low 3-state enable control (OE), where output Y follows input A when OE is LOW and enters high-impedance state when OE is HIGH. Its overvoltage-tolerant inputs allow direct connection to 5.5 V signals even when VCC = 2.0 V, eliminating external level-shifting components.
The XSON6 (SOT886) package features six terminals - including dedicated VCC, GND, A, OE, Y, and one no-connect (n.c.) - with thermal-enhanced construction (1.0 × 1.45 × 0.5 mm body) optimized for space-constrained PCB layouts and automated optical inspection via side-wettable flank compatibility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 5.5 V - enables interoperability across 1.8 V, 3.3 V, and 5 V logic domains without external regulators. |
| Input Voltage Tolerance | Up to 5.5 V independent of VCC - permits safe interfacing with higher-voltage buses (e.g., legacy 5 V I²C) while powered from lower rails. |
| Propagation Delay (tpd) | Typ. 4.4 ns at VCC = 3.3 V, CL = 15 pF - supports >100 MHz data rates in short-run digital interconnects. |
| Output Drive Strength | ±8 mA at VCC = 4.5 V - sufficient to drive standard TTL loads and moderate-capacitance traces without signal degradation. |
| Quiescent Supply Current | Max 40 μA at -40 °C to +125 °C - ensures minimal power impact in always-on industrial monitoring nodes. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive modules, industrial PLC I/O, and outdoor edge sensors. |
| ESD Protection | HBM >2000 V, CDM >1000 V - reduces susceptibility to handling damage during SMT assembly and field maintenance. |
Pinout & Package
XSON6 (SOT886) plastic extremely thin small outline package: 1.0 mm × 1.45 mm × 0.5 mm body, no leads, 6 terminals, exposed thermal pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A | Data input - accepts overvoltage-tolerant logic signals up to 5.5 V regardless of VCC setting. |
| 2 | OE | Active-low output enable - drives Y into high-Z when HIGH; synchronizes bus release timing in multi-driver systems. |
| 3 | GND | Ground reference - must be low-inductance connection to minimize switching noise coupling into sensitive analog sections. |
| 4 | n.c. | No connect - terminal is internally unconnected and must remain floating; no PCB trace or solder mask required. |
| 5 | VCC | Positive supply - decoupling capacitor (100 nF ceramic) required within 2 mm for stable high-speed operation. |
| 6 | Y | 3-state buffered output - provides symmetrical rise/fall times and matched impedance for clean signal integrity on shared lines. |
Key Features
| Feature | Design Value |
|---|---|
| Symmetrical output impedance | Enables matched rise/fall times (<10% skew) critical for setup/hold timing compliance in synchronous interfaces. |
| Balanced propagation delays | Ensures consistent tPLH/tPHL matching (≤0.5 ns variation) across temperature, simplifying timing margin analysis. |
| Overvoltage-tolerant inputs | Eliminates need for external clamping diodes or resistive dividers when interfacing 5 V sensors with 3.3 V MCUs. |
| Wide temperature qualification | Validated operation from -40 °C to +125 °C supports deployment in automotive engine control units and industrial motor drives. |
| Low dynamic power dissipation | CPD = 9 pF enables sub-1 mW dynamic consumption at 10 MHz toggle rate, extending battery life in portable instrumentation. |
Applications
| Industrial Sensor Interface | I²C Bus Isolation |
|---|---|
|
Use Scenario: Connecting 5 V analog sensor outputs to a 3.3 V microcontroller ADC input while preserving signal fidelity and avoiding ground loop interference. IC Role / Device Role / Timing Role: Unidirectional level-translating buffer isolating voltage domains; enables DC-coupled signal transfer without timing distortion. Use Value: Eliminates discrete resistor-divider networks and associated offset errors, reducing BOM count by two passive components per channel. |
Use Scenario: Preventing contention on shared I²C bus segments when multiple masters access different peripheral groups. IC Role / Device Role / Timing Role: 3-state bus buffer controlled by master-select logic; inserts deterministic propagation delay (<8 ns) without clock stretching. Use Value: Enables hot-plug capability for modular sensor subsystems while maintaining I²C spec-compliant rise times (≤1000 ns). |
| Microcontroller GPIO Expansion | Low-Power Wearable Data Hub |
|
Use Scenario: Extending limited GPIO count on an ARM Cortex-M0+ MCU to drive eight 5 V LED indicators in a factory HMI panel. IC Role / Device Role / Timing Role: Single-channel buffer replicated across eight instances; OE tied to dedicated enable line for grouped control. Use Value: Reduces total solution size by 35% versus SOIC-8 alternatives and cuts quiescent current by 60% compared to bipolar drivers. |
Use Scenario: Interfacing a 1.8 V wearable SoC with a 3.3 V environmental sensor cluster (humidity, pressure, UV) in a medical patch monitor. IC Role / Device Role / Timing Role: Voltage-domain translator enabling bidirectional data flow via time-multiplexed OE control; supports 100 kbps SPI-like protocols. Use Value: Achieves <1.2 μA average current draw in sleep mode (OE = HIGH, A = static), extending coin-cell battery life to >18 months. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bus buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74AHCT1G126GM,115 | TTL-compatible input thresholds (VIH = 2.0 V min), slightly higher ICC (max 40 μA same temp range) | Better suited for legacy 5 V controller interfaces requiring strict TTL logic levels | Select when interfacing with older microcontrollers lacking CMOS-level input sensitivity |
| SN74LVC1G126DBVR | Narrower VCC range (1.65–5.5 V), lower tpd (3.5 ns typ @ 3.3 V), but no overvoltage tolerance beyond VCC + 0.3 V | Preferred for ultra-low-delay paths in 1.8 V/3.3 V-only systems with tight timing budgets | Choose only if overvoltage tolerance is unnecessary and propagation delay is the dominant constraint |
Compared with 74AHCT1G126GM,115, the AHC variant offers superior noise margins in mixed-signal environments; versus SN74LVC1G126DBVR, it trades 1.1 ns speed for robust 5.5 V input tolerance - making it the only choice for retrofitting 5 V peripherals onto modern low-voltage platforms.
Availability
74AHC1G126GM,115 is available at Aetrix Electronics and suitable for industrial sensor interface, I²C bus isolation, and microcontroller GPIO expansion requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74AHC1G126GM,115 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 logic, analog, and MOSFET solutions with focus on efficiency, reliability, and miniaturization for industrial, automotive, and consumer markets.
The 74AHC series targets low-power, high-noise-immunity digital interfacing in space- and energy-constrained applications - emphasizing rail-to-rail compatibility, wide temperature operation, and robust ESD resilience.
FAQ
Can 74AHC1G126GM,115 be used with VCC = 1.8 V?
No. The absolute minimum supply voltage is 2.0 V per the recommended operating conditions table. At 1.8 V, VIH and VOL specifications fall outside guaranteed limits, risking logic misreads and excessive output voltage drop. For 1.8 V systems, consider SN74LVC1G126 or 74LVC1G125 variants explicitly rated down to 1.65 V.
What is the function of the n.c. pin in the XSON6 package?
Pin 4 is internally unconnected and must remain electrically floating - no PCB trace, solder mask opening, or thermal pad connection is required. It serves solely as a mechanical alignment marker during pick-and-place and does not affect electrical performance or thermal behavior.
Is the 74AHC1G126GM,115 suitable for bidirectional data transfer?
No. This is a unidirectional buffer: A → Y only. Bidirectional operation requires separate transmit/receive paths or a dedicated bus transceiver like 74LVC245. Attempting to force reverse current through Y may exceed IO ratings and cause latch-up or permanent damage.
How does overvoltage tolerance work without external protection?
Internal input structures include integrated clamp diodes and thick-oxide gate design that safely shunt currents up to ±20 mA (per Absolute Maximum Ratings) when VI exceeds VCC or drops below GND - verified by JESD78 Class II Level A latch-up testing (>100 mA stress).
74AHC1G126GM,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74AHC
- Package/Case:
- 6-XFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- 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:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-XSON, SOT886 (1.45x1)
74AHC1G126GM,115 FAQ
1.How can I place an order for 74AHC1G126GM,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHC1G126GM,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 74AHC1G126GM,115 reliable?
The price and inventory of 74AHC1G126GM,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC1G126GM,115 is usually 5 days.
3.What payment methods are accepted for 74AHC1G126GM,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC1G126GM,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHC1G126GM,115?
74AHC1G126GM,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHC1G126GM,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 74AHC1G126GM,115?
For technical support, including 74AHC1G126GM,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC1G126GM,115 requirements.
6.How does Aetrix verify that 74AHC1G126GM,115 is sourced from the original manufacturer or authorized distributors?
All 74AHC1G126GM,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 74AHC1G126GM,115 meets industry standards.
7.What is the process for return or replacement of 74AHC1G126GM,115?
All 74AHC1G126GM,115 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC1G126GM,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 74AHC1G126GM,115 part is unused and in its original packaging.
Return procedure for 74AHC1G126GM,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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