Diodes Incorporated 74AUP1G126FW4-7
- Part No.:
- 74AUP1G126FW4-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 6-XFDFN
- Datasheet:
-
74AUP1G126FW4-7.pdf
- Description:
- IC BUFFER NON-INVERT 3.6V 6DFN
- Quantity:
- Payment:

- Shipping:

Inventory:9,271
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Product details
Overview
74AUP1G126FW4-7 from Diodes Incorporated is a single non-inverting buffer gate with 3-state output, designed for ultra-low-power portable systems operating from 0.8V to 3.6V supply. It delivers ±4mA drive at 3.0V, features IOFF partial power-down protection, and uses Schmitt-trigger inputs (250mV hysteresis at 3.0V) for robust noise immunity in battery-powered interfaces.
For engineers reviewing the 74AUP1G126FW4-7 datasheet, 74AUP1G126FW4-7 pinout, 74AUP1G126FW4-7 application, or 74AUP1G126FW4-7 equivalent, this device supports low-voltage bus buffering, level translation between mixed-supply domains, and power-gated peripheral isolation in space-constrained mobile and IoT endpoints.
Technical Context
This Advanced Ultra Low Power (AUP) CMOS logic device implements a single-channel non-inverting buffer with active-high output enable (OE), enabling high-impedance state control for bidirectional bus management. Its IOFF circuit actively disables outputs during power-down, preventing backflow current when VCC = 0V while inputs remain biased.
The input stage integrates Schmitt-trigger action with 250mV typical hysteresis at VCC = 3.0V, allowing reliable operation with slow-rising signals (≤200 ns/V transition rate). Static supply current remains below 0.9µA across 0.8–3.6V, and dynamic power dissipation is characterized by CPD = 6.3pF at 3.6V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 0.8V to 3.6V - enables direct interface with 1.2V, 1.8V, 2.5V, and 3.3V logic domains without level shifters. |
| Output Drive Strength | ±4mA at VCC = 3.0V - sufficient to drive 50Ω transmission lines or fan-out to ≥10 standard AUP loads. |
| IOFF Leakage Current | ±0.2µA max at 0V–3.6V - ensures safe I/O isolation during partial power-down in multi-rail systems. |
| Propagation Delay | 1.4ns typical (tpd, A→Y) at VCC = 3.3V, CL = 5pF - supports >300MHz data rates in short-reach signal paths. |
| Input Hysteresis | 250mV typical at VCC = 3.0V - rejects noise up to ±125mV on slow-switching control or sensor inputs. |
| Static Supply Current | <0.9µA at 25°C - extends battery life in always-on monitoring circuits and sleep-mode peripherals. |
| ESD Protection | 2kV HBM, 1kV CDM - meets industrial handling requirements without external protection components. |
Pinout & Package
X2-DFN1010-6 package: 1.0mm × 1.0mm × 0.4mm body, 0.35mm pad pitch, no leads, bottom-side thermal pad (exposed die attach).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A) | Data Input | Non-inverting logic input with Schmitt-trigger threshold; accepts 0.8V–3.6V swing regardless of VCC. |
| 2 (OE) | Output Enable (Active-High) | Drives output Y to high-impedance when LOW; IOFF active during VCC = 0V to block reverse current. |
| 3 (GND) | Ground Reference | Return path for all internal logic and output current; must be connected before VCC for latch-up immunity. |
| 4 (Y) | 3-State Output | Buffered, non-inverted copy of A when OE = HIGH; high-Z when OE = LOW; supports bus contention avoidance. |
| 5 (VCC) | Power Supply | Core logic and I/O supply; decoupling capacitor (100nF) required within 2mm of pin for stable switching. |
| 6 (NC) | No Connect | Internally unconnected terminal; must be left floating or tied to GND per layout guidelines to avoid parasitic coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low static power | ICC < 0.9µA ensures negligible quiescent drain in always-on sensor nodes and real-time clocks. |
| IOFF partial power-down | Prevents damaging back-current flow when VCC = 0V but system buses remain live at up to 3.6V. |
| Schmitt-trigger inputs | 250mV hysteresis eliminates chatter on noisy or slow-rising control signals (e.g., mechanical switch debouncing). |
| Wide voltage compatibility | Operates from 0.8V (sub-threshold logic) to 3.6V (3.3V rail), supporting heterogeneous SoC interconnects. |
| Lead-free & green construction | Fully RoHS-compliant, halogen- and antimony-free DFN package meets IPC/JEDEC J-STD-020 moisture sensitivity Level 1. |
Applications
| Mobile Device Power Management | IoT Sensor Interface Hub |
|---|---|
Use Scenario: Isolating battery-monitoring ADC inputs from main SoC during deep-sleep mode. IC Role / Device Role / Timing Role: 3-state buffer enables ADC to retain bias while disconnecting digital control lines from powered-down domain. Use Value: Eliminates need for discrete MOSFET switches; IOFF prevents leakage-induced voltage drift on analog sense nodes. |
Use Scenario: Level-shifting and noise-filtering signals from 1.8V MEMS accelerometers to 3.3V microcontroller GPIO. IC Role / Device Role / Timing Role: Non-inverting buffer with Schmitt inputs cleans slow, noisy sensor outputs before MCU sampling. Use Value: Reduces firmware overhead for software debouncing; 250mV hysteresis rejects EMI in compact wearable enclosures. |
| USB-C Peripheral Detection | Low-Power Display Serial Interface |
Use Scenario: Enabling/disabling CC line pull-up resistors based on USB host negotiation state. IC Role / Device Role / Timing Role: OE-controlled buffer gates the 5.1kΩ pull-up to VCONN, isolating it during UFP-only mode. Use Value: Meets USB PD specification for dynamic resistor reconfiguration without BOM cost of dedicated switches. |
Use Scenario: Driving SPI clock and data lines to e-Ink display controllers in smart shelf labels. IC Role / Device Role / Timing Role: Low-capacitance (6.3pF) buffer minimizes rise/fall time degradation over 5cm flex traces. Use Value: Enables 10MHz SPI operation with <1.5ns skew; 0.8V min VCC supports direct connection to coin-cell-backed regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G126DBVR | Wider VCC range (1.65–5.5V); higher drive (±32mA); no IOFF; 5-pin SOT-23 package. | Requires external power sequencing; unsuitable for partial power-down; better for 5V-tolerant industrial I/O. | Select when interfacing legacy 5V peripherals or needing higher drive; avoid where VCC may collapse independently. |
| 74LVC1G125GW,125 | Inverting function; identical AUP-family specs (0.8–3.6V, IOFF, Schmitt inputs); same X2-DFN1010-6 footprint. | Used where signal polarity inversion is acceptable or required in control logic chains. | Drop-in replacement if inversion aligns with system timing; verify logic equation compatibility before substitution. |
Compared with SN74LVC1G126DBVR, the 74AUP1G126FW4-7 offers superior power efficiency and true partial power-down safety but trades off maximum drive strength and voltage headroom. Against 74LVC1G125GW,125, it provides functional equivalence except for inversion-making it preferable for non-inverting signal routing in ultra-low-power designs.
Availability
74AUP1G126FW4-7 is available at Aetrix Electronics and suitable for battery-powered wearables, IoT edge sensors, and portable medical devices requiring stable component supply across extended product lifecycles.
Supply support for 74AUP1G126FW4-7 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and logic solutions for power management, signal integrity, and connectivity applications.
The 74AUP logic family targets ultra-low-power portable electronics, delivering sub-1µA static current and wide-voltage operation to extend battery life in smartphones, wearables, and wireless sensors.
FAQ
What is the minimum recommended decoupling capacitance for 74AUP1G126FW4-7?
A 100nF ceramic capacitor placed within 2mm of the VCC and GND pins is mandatory to suppress switching noise and maintain stable operation across 0.8–3.6V supply ranges. For systems with high di/dt transients, add a 1µF bulk capacitor on the same PCB net.
Can 74AUP1G126FW4-7 safely interface between 1.2V and 3.3V logic domains?
Yes - its input thresholds scale with VCC (VIH = 0.8×VCC min), and output VOH/VOL meet 1.2V and 3.3V logic families' interface requirements. No external level shifter is needed when VCC = 1.2V or 3.3V, provided load capacitance stays ≤30pF.
Does the NC pin on X2-DFN1010-6 require PCB connection?
No - Pin 6 is internally unconnected. Diodes Incorporated recommends leaving it floating or connecting to GND via a small copper pour to minimize parasitic antenna effects; do not tie to VCC or route signal traces nearby.
How does IOFF behavior differ from standard high-impedance state?
IOFF actively disables output drivers when VCC = 0V, blocking current flow even if input/output pins are biased to 3.6V. Standard 3-state only disables drivers when VCC is powered; IOFF adds fail-safe isolation during brownout or hot-plug events.
74AUP1G126FW4-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74AUP
- 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:
- 4mA, 4mA
- Voltage - Supply:
- 0.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-DFN1010-6
74AUP1G126FW4-7 FAQ
1.How can I place an order for 74AUP1G126FW4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AUP1G126FW4-7 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 74AUP1G126FW4-7 reliable?
The price and inventory of 74AUP1G126FW4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AUP1G126FW4-7 is usually 5 days.
3.What payment methods are accepted for 74AUP1G126FW4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AUP1G126FW4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AUP1G126FW4-7?
74AUP1G126FW4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AUP1G126FW4-7 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 74AUP1G126FW4-7?
For technical support, including 74AUP1G126FW4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AUP1G126FW4-7 requirements.
6.How does Aetrix verify that 74AUP1G126FW4-7 is sourced from the original manufacturer or authorized distributors?
All 74AUP1G126FW4-7 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 74AUP1G126FW4-7 meets industry standards.
7.What is the process for return or replacement of 74AUP1G126FW4-7?
All 74AUP1G126FW4-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AUP1G126FW4-7, 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 74AUP1G126FW4-7 part is unused and in its original packaging.
Return procedure for 74AUP1G126FW4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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