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Texas Instruments SN74AUC2G34DRLR
- Part No.:
- SN74AUC2G34DRLR
- Manufacturer:
- Texas Instruments
- Package:
- SOT-563, SOT-666
- Datasheet:
-
SN74AUC2G34DRLR.pdf
- Description:
- IC BUFFER NON-INVERT 2.7V 6SOT
- Quantity:
- Payment:
- Shipping:
Inventory:5,201
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Product details
Overview
SN74AUC2G34DRLR from Texas Instruments is a dual non-inverting buffer gate in SOT-5X3 (DRL) package, designed for 1.65–1.95 V operation with ±8 mA output drive at 1.8 V, 1.6 ns max propagation delay, and Ioff support for partial-power-down mode - used in low-voltage signal buffering for portable memory interfaces and FPGA I/O expansion.
For engineers reviewing the SN74AUC2G34DRLR datasheet, SN74AUC2G34DRLR pinout, SN74AUC2G34DRLR application, or SN74AUC2G34DRLR equivalent, key selection criteria include sub-2-V supply compatibility, 3.6-V I/O tolerance, latch-up immunity (>100 mA), ESD robustness (2000-V HBM), and NanoFree™ packaging for ultra-compact PCB layouts.
Technical Context
This device implements two independent positive-logic buffers (Y = A) with rail-to-rail output swing and guaranteed operation from 0.8 V to 2.7 V supply. Its Ioff circuitry actively disables outputs during power-down to prevent backflow current, enabling safe hot-insertion in mixed-supply systems.
It features 3.6-V tolerant I/O pins despite 1.8-V core operation, allowing interoperability with higher-voltage logic domains. The DRL package is a 1.7 mm × 1.5 mm × 0.6 mm SOT-5X3 with 6 terminals, optimized for high-density routing and thermal performance (θJA = 142°C/W).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 0.8 V to 2.7 V - supports single-supply operation across battery-powered and regulated low-voltage rails. |
| Max tpd @ 1.8 V | 1.6 ns - enables timing-critical signal buffering in high-speed memory and interface paths. |
| Ioff Current | ±10 µA - ensures negligible leakage when powered down, critical for system-level power gating. |
| Output Drive | ±8 mA @ 1.8 V - sufficient to drive 15-pF loads with fast edge rates while maintaining signal integrity. |
| ESD Rating | 2000-V HBM - meets industrial-grade robustness requirements without external protection. |
| IOFF Support | Yes - allows safe isolation of powered-down sections in multi-rail embedded systems. |
| Latch-Up Immunity | >100 mA per JESD 78 Class II - eliminates risk of destructive latch-up under transient overvoltage. |
Pinout & Package
SOT-5X3 (DRL) package: 1.7 mm × 1.5 mm × 0.6 mm body, 6-terminal surface-mount, lead-free NIPDAU finish, MSL Level-1, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1A (Input) | First buffer input - accepts 0.8–3.6 V logic levels; compatible with 1.2-V, 1.8-V, and 3.3-V drivers. |
| 2 | VCC | Core supply pin - must be decoupled locally; powers both buffers and Ioff control circuitry. |
| 3 | 2Y (Output) | Second buffer output - delivers rail-to-rail swing with ±8 mA sink/source capability at 1.8 V. |
| 4 | 2A (Input) | Second buffer input - electrically isolated from 1A; supports independent signal routing. |
| 5 | GND | Ground reference - shared return path for both buffers; requires low-inductance connection to plane. |
| 6 | 1Y (Output) | First buffer output - identical drive strength and timing to 2Y; supports parallel load driving. |
Key Features
| Feature | Design Value |
|---|---|
| NanoFree™ Packaging | Dies-as-package construction reduces footprint to 1.7 mm × 1.5 mm - ideal for space-constrained mobile and wearables. |
| 3.6-V I/O Tolerance | Inputs/outputs withstand up to 4.1 V without damage - enables direct interfacing with legacy 3.3-V peripherals. |
| Sub-1-V Operability | Functional down to 0.8 V VCC - supports ultra-low-power modes in battery-backed subsystems. |
| Low ICC | 10 µA typical supply current - minimizes quiescent power in always-on signal conditioning paths. |
| Partial-Power-Down Ready | Ioff activation prevents back-current flow when VCC = 0 - essential for PCIe hot-plug and modular backplane designs. |
Applications
| Mobile Memory Interface | FPGA I/O Expansion |
|---|---|
Use Scenario: Buffering address/data lines between LPDDR2 controller and memory chip in smartphone baseband module. IC Role / Device Role / Timing Role: Dual buffer isolates timing-sensitive signals, maintains signal integrity across 1.8-V domain, and absorbs capacitive loading. Use Value: 1.6 ns tpd ensures setup/hold margins are preserved at 400 MHz clock rates; Ioff prevents data corruption during memory sleep states. |
Use Scenario: Level-shifting and fanout buffering for FPGA GPIO banks connected to mixed-voltage sensors and actuators. IC Role / Device Role / Timing Role: Non-inverting buffer provides 3.6-V tolerant inputs and drives multiple 1.8-V loads with matched propagation delay. Use Value: ±8 mA drive sustains signal rise/fall times under 15-pF load; 3.6-V I/O tolerance eliminates need for discrete level shifters. |
| USB OTG PHY Interface | Industrial Sensor Hub |
Use Scenario: Isolating ID pin detection and VBUS sensing logic in USB On-The-Go host-peripheral negotiation circuitry. IC Role / Device Role / Timing Role: Single-gate buffer conditions weak analog-sensed signals into clean digital inputs for microcontroller ADC or GPIO. Use Value: Sub-1-V operability allows direct connection to battery-monitoring circuits; 2000-V HBM protects against ESD events during cable insertion. |
Use Scenario: Signal conditioning for analog sensor outputs (e.g., temperature, pressure) before digitization in programmable logic controllers. IC Role / Device Role / Timing Role: Low-noise buffer isolates sensitive analog front-end from noisy digital bus noise on shared PCB. Use Value: 10 µA ICC minimizes self-heating error in precision measurement paths; latch-up immunity ensures reliability in harsh EMI environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual buffer gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74AUC2G34DBVR | SOT-23 (DBV) package: larger footprint (2.9 mm × 1.6 mm), θJA = 165°C/W, same electrical specs. | Better thermal margin in high-ambient environments; less suitable for ultra-dense layouts. | Select when board layout permits larger package and thermal dissipation is prioritized over size. |
| SN74AUC2G34DCKR | SC-70 (DCK) package: 2.0 mm × 1.25 mm body, θJA = 259°C/W, identical logic and drive capability. | Higher thermal resistance limits continuous drive current in sustained high-load scenarios. | Choose for cost-sensitive designs where moderate thermal load and smaller size than DBV are acceptable. |
Compared with SN74AUC2G34DBVR and SN74AUC2G34DCKR, the SN74AUC2G34DRLR offers the smallest footprint (1.7 mm × 1.5 mm) and lowest thermal impedance (142°C/W) among pin-compatible variants - making it optimal for miniaturized, thermally constrained applications requiring full 1.8-V performance.
Availability
SN74AUC2G34DRLR is available at Aetrix Electronics and suitable for portable electronics, FPGA I/O expansion, and industrial sensor interface applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for SN74AUC2G34DRLR 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 specializing in analog, embedded processing, and logic solutions, with decades of innovation in low-power, high-reliability IC design.
The SN74AUC2G34 belongs to TI's AUC (Advanced Ultra-CMOS) logic family - engineered specifically for sub-2-V operation, high-speed performance, and robust mixed-signal interoperability in portable and industrial systems.
FAQ
What is the maximum operating voltage for SN74AUC2G34DRLR?
The SN74AUC2G34DRLR supports a supply voltage range of 0.8 V to 2.7 V, with recommended operation between 1.65 V and 1.95 V. Its I/O pins tolerate up to 4.1 V, enabling safe interfacing with 3.3-V systems even when VCC is at 1.8 V. This dual-voltage capability is explicitly specified in the Absolute Maximum Ratings and Recommended Operating Conditions tables of the SCES514B datasheet.
Does SN74AUC2G34DRLR support partial-power-down mode?
Yes, SN74AUC2G34DRLR includes Ioff circuitry that disables outputs when VCC = 0 V, limiting input/output leakage to ±10 µA. This feature prevents damaging back-current flow in multi-rail systems during power sequencing or hot-swap events - confirmed in the Features and Electrical Characteristics sections of the official TI datasheet.
What is the propagation delay of SN74AUC2G34DRLR at 1.8 V?
At VCC = 1.8 V, CL = 15 pF, and TA = 25°C, the SN74AUC2G34DRLR has a typical propagation delay (tpd) of 1.0 ns and a maximum of 1.6 ns. This value is measured from input transition (±0.15 V) to output transition and is validated across the full operating temperature range (–40°C to 85°C).
Which package type does SN74AUC2G34DRLR use?
SN74AUC2G34DRLR uses the SOT-5X3 (DRL) package: a 6-terminal, 1.7 mm × 1.5 mm × 0.6 mm surface-mount outline with lead-free NIPDAU finish, MSL Level-1 rating, and RoHS compliance. Package dimensions and land pattern details are documented in TI's DRL0006A drawing and tape-and-reel specifications.
Is SN74AUC2G34DRLR pin-compatible with other variants in the SN74AUC2G34 family?
Yes, all SN74AUC2G34 variants - including SN74AUC2G34DRLR, SN74AUC2G34DBVR, SN74AUC2G34DCKR, and SN74AUC2G34YZPR - share identical 6-pin functional pinout (1A, VCC, 2Y, 2A, GND, 1Y) and Boolean behavior. Mechanical pin spacing differs by package, but signal assignment and logic function are fully consistent across variants.
SN74AUC2G34DRLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AUC
- Package/Case:
- SOT-563, SOT-666
- 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:
- Push-Pull
- Current - Output High, Low:
- 9mA, 9mA
- Voltage - Supply:
- 0.8V ~ 2.7V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-5X3
SN74AUC2G34DRLR FAQ
1.How can I place an order for SN74AUC2G34DRLR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AUC2G34DRLR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of SN74AUC2G34DRLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AUC2G34DRLR is usually 5 days.
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Once your SN74AUC2G34DRLR 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 SN74AUC2G34DRLR?
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6.How does Aetrix verify that SN74AUC2G34DRLR is sourced from the original manufacturer or authorized distributors?
All SN74AUC2G34DRLR 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 SN74AUC2G34DRLR meets industry standards.
7.What is the process for return or replacement of SN74AUC2G34DRLR?
All SN74AUC2G34DRLR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AUC2G34DRLR, 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 SN74AUC2G34DRLR part is unused and in its original packaging.
Return procedure for SN74AUC2G34DRLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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