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Texas Instruments 1P1G126QDRYRQ1
- Part No.:
- 1P1G126QDRYRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 6-UFDFN
- Datasheet:
-
1P1G126QDRYRQ1.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 6SON
- Quantity:
- Payment:
- Shipping:
Inventory:2,097
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Product details
Overview
1P1G126QDRYRQ1 from Texas Instruments is an automotive-qualified single bus buffer gate with 3-state output, designed for level translation (inputs accept up to 5.5V while operating at VCC = 1.65–5.5V), ±24mA drive at 3.3V, 10μA max ICC, and Ioff support for live insertion in partial-power-down systems. It serves as a high-speed, low-power signal isolator in motor control and SSD data paths.
For engineers reviewing the 1P1G126QDRYRQ1 datasheet, 1P1G126QDRYRQ1 pinout, 1P1G126QDRYRQ1 application, or 1P1G126QDRYRQ1 equivalent, key selection criteria include 3-state enable timing (tdis ≤ 6 ns at 3.3V), 5.5V-tolerant inputs, thermal resistance (RθJA = 279.0°C/W in SON), automotive AEC-Q100 qualification, and SON-6 package compatibility with space-constrained PCB layouts.
Technical Context
The 1P1G126QDRYRQ1 implements a noninverting buffer with active-high output-enable control (OE), where Y = A when OE = H, and Y = high-impedance when OE = L. Its balanced CMOS 3-state outputs provide symmetrical sourcing/sinking capability, enabling bidirectional bus isolation without external pull resistors during disable.
It integrates Ioff circuitry that disables all outputs when VCC = 0V, preventing back-drive current and supporting hot-plug operation. Input clamping diodes (−0.5V to 6.5V absolute rating) and JESD78 Class II latch-up immunity (>100mA) ensure robustness in noisy automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65V to 5.5V - supports mixed-voltage system interfacing and 3.3V/5V logic domains |
| Input Voltage Tolerance | Up to 5.5V - enables down-translation from higher-voltage controllers to lower-VCC buses |
| Output Drive | ±24mA at 3.3V - sufficient to drive multiple CMOS loads or LEDs without external buffers |
| ICC (max) | 10μA - ultra-low quiescent power ideal for always-on automotive subsystems |
| Propagation Delay | 1–5.8 ns (CL = 50pF, VCC = 3.3V) - supports signal integrity in >100MHz digital paths |
| Ioff Leakage | ±10μA - ensures safe isolation during power sequencing or partial shutdown |
| Operating Temp | −40°C to +125°C - meets AEC-Q100 Grade 1 requirements for under-hood applications |
Pinout & Package
1P1G126QDRYRQ1 is housed in a 1.00mm × 1.00mm, 6-pin SON (DRY) package with wettable flanks, optimized for automated optical inspection (AOI) and high-density automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A | Input | Data input signal; 5.5V-tolerant, compatible with legacy 5V controllers |
| OE | Input | Active-high output-enable; must be pulled low via resistor during power-up to ensure default high-Z state |
| Y | Output | Noninverting buffered output; drives high/low or enters high-impedance per OE state |
| VCC | Power | Supply pin; requires local 0.1μF bypass capacitor placed adjacent to pin for noise suppression |
| GND | Ground | Reference return path; connects to PCB ground plane for thermal and EMI performance |
| NC | No Connection | Unbonded pad; no internal connection - must remain unconnected on PCB |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Qualified | Grade 1 (−40°C to +125°C) - certified for automotive powertrain, body, and infotainment systems |
| Ioff Partial-Power-Down | Prevents back-current flow when VCC = 0V - enables safe hot-swap in modular ECUs |
| 5.5V-Tolerant Inputs | Accepts 5V logic signals while powered from 1.8V/2.5V/3.3V rails - eliminates level-shifter ICs |
| Balanced 3-State Outputs | Sinks and sources equal current (±24mA @ 3.3V) - avoids bus contention and ensures clean signal edges |
| Low ICC & High Speed | 10μA max supply current with sub-6ns propagation delay - delivers efficiency without sacrificing timing margin |
Applications
| Motor Control Interface | SSD Data Path Isolation |
|---|---|
Use Scenario: Isolating microcontroller GPIOs from high-voltage motor driver enable lines in EV traction inverters. IC Role / Device Role / Timing Role: Noninverting buffer with 3-state control, enabling/disabling gate-driver signals while maintaining voltage domain separation. Use Value: 5.5V-tolerant A input accepts MCU logic levels; ±24mA drive directly interfaces with optocoupler inputs; Ioff prevents damage during controller reset sequences. | Use Scenario: Buffering NVMe command/address lines between host SoC and NAND flash controller in automotive SSD modules. IC Role / Device Role / Timing Role: High-speed, low-skew signal repeater with configurable enable for dynamic power gating of peripheral lanes. Use Value: 1–5.8 ns tpd ensures setup/hold compliance at PCIe Gen3 speeds; 10μA ICC reduces standby leakage in always-on storage subsystems. |
| Cable Modem Signal Routing | Video Infrastructure Clock Buffering |
Use Scenario: Enabling/disabling analog front-end (AFE) data paths in DOCSIS 3.1 cable modem termination systems. IC Role / Device Role / Timing Role: Single-line bus buffer with OE-controlled 3-state output for time-multiplexed ADC/DAC channel selection. Use Value: RθJA = 279.0°C/W allows operation in thermally constrained CMTS chassis; −40°C to +125°C rating supports outdoor node deployments. | Use Scenario: Driving multiple video decoder clock inputs from a centralized timing source in IP-based broadcast transcoders. IC Role / Device Role / Timing Role: Low-jitter, fan-out buffer with 3-state capability for clock tree partitioning and test-mode isolation. Use Value: Balanced CMOS outputs minimize skew across parallel clock paths; 5.5V tolerance accommodates legacy 5V clock generators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bus buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G125QDRYRQ1 | Inverting buffer (Y = NOT A); identical pinout, specs, and package | Requires logic inversion in signal path - unsuitable where polarity must be preserved | Select only if system-level inversion is acceptable or compensated elsewhere |
| SN74LVC1G126DBVRQ1 | SOT-23-5 package (2.90mm × 1.60mm); same electrical specs but larger footprint and higher RθJA (357.1°C/W) | Less suitable for ultra-dense layouts; higher thermal resistance limits power density in stacked modules | Choose when SOT-23 assembly infrastructure exists and board area is not constrained |
Compared with SN74LVC1G125QDRYRQ1, 1P1G126QDRYRQ1 preserves signal polarity critical for timing-critical control paths; compared with SN74LVC1G126DBVRQ1, its SON-6 package reduces PCB area by 73% and improves thermal performance by 22%, making it optimal for next-gen automotive modules.
Availability
1P1G126QDRYRQ1 is available at Aetrix Electronics and suitable for motor control interface, SSD data path isolation, cable modem signal routing, video infrastructure clock buffering, and automotive-grade signal conditioning requiring stable component supply across extended temperature ranges.
Supply support for 1P1G126QDRYRQ1 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
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for automotive, industrial, and consumer markets.
The SN74LVC1G126-Q1 product line delivers AEC-Q100-qualified, single-gate logic devices optimized for voltage translation, bus isolation, and power-aware signal routing in safety-critical automotive electronics.
FAQ
What is the function of the NC pin on the 1P1G126QDRYRQ1?
The NC (No Connection) pin on the 1P1G126QDRYRQ1 is an unconnected die pad with no internal bond wire or circuit linkage. It must remain unconnected on the PCB layout - neither tied to GND nor left floating - to avoid parasitic coupling or mechanical stress on the SON package. This pin is present for mechanical symmetry and manufacturability in the 6-pin DRY footprint.
Does the 1P1G126QDRYRQ1 support 1.8V operation?
Yes, the 1P1G126QDRYRQ1 supports 1.8V operation within its recommended VCC range of 1.65V to 5.5V. At 1.8V, it delivers ≥4mA output drive (IOL/IOH), maintains VIH/VIL thresholds scaled to VCC, and retains full 5.5V input tolerance - enabling interoperability with 1.8V FPGAs and microcontrollers while interfacing with legacy 5V peripherals.
How does the Ioff feature protect the 1P1G126QDRYRQ1 during partial power-down?
The Ioff feature in the 1P126QDRYRQ1 disables all outputs when VCC = 0V, limiting leakage to ±10μA per terminal. This prevents damaging back-current flow from live signal lines into a powered-down subsystem - a critical safeguard during ECU module hot-swap, battery disconnect, or multi-rail power sequencing in automotive architectures.
What is the maximum capacitive load the 1P1G126QDRYRQ1 can drive while maintaining specified timing?
The 1P1G126QDRYRQ1 is characterized for CL = 50pF in its switching specifications (tpd ≤ 5.8 ns at 3.3V). While it can physically drive heavier loads, propagation delay increases nonlinearly beyond this point - e.g., tpd rises to ~12 ns at CL = 300pF (per Figure 5-1). For timing-critical applications, keep total net capacitance ≤50pF or validate timing margins with actual layout parasitics.
Is the 1P1G126QDRYRQ1 pin-compatible with non-automotive versions like SN74LVC1G126?
Yes, the 1P1G126QDRYRQ1 shares identical pinout, electrical specifications, and SON-6 package dimensions with the commercial SN74LVC1G126 (DRY), but adds AEC-Q100 qualification, extended temperature support (−40°C to +125°C), and enhanced reliability testing. No PCB redesign is needed when upgrading from the catalog version to the Q1 variant for automotive deployment.
1P1G126QDRYRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-UFDFN
- 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:
- 32mA, 32mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SON (1.45x1)
1P1G126QDRYRQ1 FAQ
1.How can I place an order for 1P1G126QDRYRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for 1P1G126QDRYRQ1 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 1P1G126QDRYRQ1 reliable?
The price and inventory of 1P1G126QDRYRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1P1G126QDRYRQ1 is usually 5 days.
3.What payment methods are accepted for 1P1G126QDRYRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1P1G126QDRYRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1P1G126QDRYRQ1?
1P1G126QDRYRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1P1G126QDRYRQ1 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 1P1G126QDRYRQ1?
For technical support, including 1P1G126QDRYRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1P1G126QDRYRQ1 requirements.
6.How does Aetrix verify that 1P1G126QDRYRQ1 is sourced from the original manufacturer or authorized distributors?
All 1P1G126QDRYRQ1 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 1P1G126QDRYRQ1 meets industry standards.
7.What is the process for return or replacement of 1P1G126QDRYRQ1?
All 1P1G126QDRYRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with 1P1G126QDRYRQ1, 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 1P1G126QDRYRQ1 part is unused and in its original packaging.
Return procedure for 1P1G126QDRYRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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