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Texas Instruments SN74LVC2G17DSFR
- Part No.:
- SN74LVC2G17DSFR
- Manufacturer:
- Texas Instruments
- Package:
- 6-XFDFN
- Datasheet:
-
SN74LVC2G17DSFR.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 6SON
- Quantity:
- Payment:
- Shipping:
Inventory:7,796
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Product details
Overview
SN74LVC2G17DSFR from Texas Instruments is a dual Schmitt-trigger buffer IC designed for 1.65 V to 5.5 V operation, performing Y = A logic with hysteresis on both inputs. It delivers ±24 mA output drive at 3.3 V, achieves 5.4 ns max propagation delay at 3.3 V, and supports Ioff for live insertion and partial-power-down applications in portable audio and SSD power sequencing.
For engineers reviewing the SN74LVC2G17DSFR datasheet, SN74LVC2G17DSFR pinout, SN74LVC2G17DSFR application, or SN74LVC2G17DSFR equivalent, key selection criteria include Schmitt-trigger input thresholds (VT+ = 2.0 V, VT– = 1.3 V at 3 V), 5.5 V tolerant inputs, NanoFree™ SON-6 package footprint (1.0 mm × 1.0 mm), and Ioff protection enabling back-drive immunity during power-down.
Technical Context
This device implements two independent noninverting buffers with Schmitt-trigger inputs, enabling noise-immune signal conditioning for slow or noisy digital signals. Each channel features asymmetric input thresholds (ΔVT = 0.7 V typical at 3 V) and operates across 1.65–5.5 V VCC, supporting voltage translation from 5 V to 3.3 V or 1.8 V domains.
The Ioff circuitry actively disables outputs when VCC = 0 V, limiting leakage current to ±10 μA and preventing damaging current backflow. Input tolerance up to 5.5 V allows interfacing with higher-voltage logic without level shifters, while low ICC (10 μA max) and ground bounce (VOLP < 0.8 V) support battery-powered portable designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 5.5 V - Enables single-supply operation across 1.8 V, 2.5 V, 3.3 V, and 5 V logic families. |
| tpd Max | 5.4 ns at 3.3 V - Ensures fast signal buffering for timing-critical interfaces like power-button debouncing or audio dock control lines. |
| IOH/IOL | ±24 mA at 3.3 V - Drives moderate capacitive loads (e.g., PCB traces, multiple gate inputs) without external buffers. |
| VT+/VT− | 2.0 V / 1.3 V at 3 V - Provides 0.7 V hysteresis to reject EMI and contact bounce in mechanical switch interfaces. |
| Ioff | ±10 μA max - Prevents back-current flow during hot-swap or partial-power-down, protecting upstream sources. |
| Input Tolerance | 5.5 V absolute max - Accepts 5 V TTL signals directly into 3.3 V or 1.8 V systems without clamping diodes or resistors. |
| Package | SON-6 (DSF), 1.0 mm × 1.0 mm - Ultra-compact footprint ideal for space-constrained portable devices like wireless headsets and SSD modules. |
Pinout & Package
SN74LVC2G17DSFR uses the SON (DSF) package: 6-pin, 1.0 mm × 1.0 mm body, 0.35 mm pitch, bottom-side thermal pad, moisture sensitivity level 1 (260°C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A | Input 1 | Noninverting Schmitt-trigger input for first buffer channel; accepts 0–5.5 V regardless of VCC. |
| GND | Ground | Reference return path for all signals and power; must be low-impedance for stable hysteresis and low noise. |
| 2A | Input 2 | Noninverting Schmitt-trigger input for second buffer channel; electrically isolated from 1A. |
| 1Y | Output 1 | Buffered, inverted-output logic replica of 1A; drives loads up to ±24 mA at 3.3 V. |
| VCC | Power Pin | Single supply rail (1.65–5.5 V); powers both buffers and enables Ioff control when de-energized. |
| 2Y | Output 2 | Buffered, inverted-output logic replica of 2A; independently driven with same specs as 1Y. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Provides 0.7 V typical hysteresis (ΔVT) at 3 V, eliminating false triggering from slow-rising switch signals or EMI. |
| Ioff partial-power-down | Disables outputs and limits leakage to ±10 μA when VCC = 0 V, enabling safe live insertion in modular systems. |
| 5.5 V tolerant inputs | Accepts 5 V logic levels while operating at 1.8 V or 3.3 V VCC, eliminating need for external level translators. |
| NanoFree™ packaging | Die-as-package construction reduces size to 1.0 mm × 1.0 mm, minimizing PCB area and thermal resistance (RθJA = 300°C/W). |
| Low dynamic power | 10 μA max ICC and 19 pF typical Cpd at 3.3 V enable ultra-low-power operation in always-on sensor or button-monitoring circuits. |
Applications
| Audio Dock Signal Conditioning | SSD Power Sequencing Control |
|---|---|
Use Scenario: Debounces mechanical power buttons and cleans noisy analog switch signals in portable audio docks. IC Role / Device Role / Timing Role: Dual Schmitt-trigger buffer providing noise-immune signal conditioning for host MCU wake-up and mode selection lines. Use Value: Eliminates false triggers from contact bounce and EMI, reducing firmware debounce overhead and improving user interface reliability. | Use Scenario: Controls enable sequencing of multiple voltage rails (e.g., +1.2 V, +1.8 V, +3.3 V) in client SSDs during power-up/down cycles. IC Role / Device Role / Timing Role: Level-translating buffer driving PMIC enable inputs with precise timing margins and 5.5 V input tolerance. Use Value: Ensures clean, glitch-free rail activation using a single 3.3 V supply, avoiding discrete resistor-divider networks and saving board space. |
| Wireless Headset Button Interface | TV Remote IR Signal Shaping |
Use Scenario: Interfaces tactile buttons in compact wireless headsets where PCB real estate and power budget are severely constrained. IC Role / Device Role / Timing Role: Low-power dual buffer converting mechanical switch closures into clean CMOS-level signals for Bluetooth SoC GPIOs. Use Value: Achieves 10 μA max ICC and 1.0 mm × 1.0 mm footprint, extending battery life and enabling sub-20 mm earbud form factors. | Use Scenario: Shapes and amplifies weak, slow-rising IR detector output pulses before feeding them to TV mainboard microcontrollers. IC Role / Device Role / Timing Role: High-noise-margin Schmitt buffer restoring signal integrity and edge rate for reliable IR command decoding. Use Value: Improves remote range and misfire immunity by raising effective noise threshold via 0.7 V hysteresis, without adding active components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual Schmitt-trigger buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC2G17DBVR | SOT-23-6 package (2.9 mm × 1.6 mm); higher RθJA (165°C/W); identical electrical specs and pinout. | Better thermal performance and manual handling; less suitable for ultra-dense layouts. | Select when board assembly requires larger footprint for soldering reliability or thermal dissipation >100 mW. |
| SN74LVC2G17DCKR | SC70-6 package (2.0 mm × 1.25 mm); intermediate size; RθJA = 259°C/W; same logic and Ioff behavior. | Compromise between DSF miniaturization and SOT-23 manufacturability; compatible with standard pick-and-place nozzles. | Choose for mid-density portable designs needing easier optical inspection and slightly better thermal margin than DSF. |
Compared with SN74LVC2G17DBVR and SN74LVC2G17DCKR, SN74LVC2G17DSFR offers the smallest footprint (1.0 mm²) and highest board-area efficiency, making it optimal for space-limited consumer electronics-though its 300°C/W thermal resistance requires careful layout for sustained >50 mW operation.
Availability
SN74LVC2G17DSFR is available at Aetrix Electronics and suitable for portable audio docks, SSD power management, wireless headset interfaces, and TV remote IR signal conditioning requiring stable component supply and long-term industrial availability.
Supply support for SN74LVC2G17DSFR 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 industrial, automotive, and personal electronics markets.
The SN74LVC2G17DSFR belongs to TI's LVC logic family, engineered for low-voltage, high-noise-immunity digital interfacing in battery-powered and space-constrained applications.
FAQ
What is the maximum operating temperature for SN74LVC2G17DSFR?
The SN74LVC2G17DSFR is rated for operation from –40°C to +125°C ambient temperature, as specified in the Recommended Operating Conditions table. This extended range supports deployment in demanding environments such as enclosed SSD enclosures or automotive infotainment docks where internal temperatures exceed 85°C.
Does SN74LVC2G17DSFR support 5-V input signals while powered at 3.3 V?
Yes, SN74LVC2G17DSFR supports 5.5 V tolerant inputs, allowing direct connection of 5 V logic signals (e.g., from legacy microcontrollers or USB PHYs) while operating at VCC = 3.3 V. This eliminates external level-shifting components and simplifies interconnect design in mixed-voltage systems.
How does the Schmitt-trigger function improve noise immunity in SN74LVC2G17DSFR?
The SN74LVC2G17DSFR uses separate positive-going (VT+ = 2.0 V) and negative-going (VT– = 1.3 V) input thresholds at 3 V, creating 0.7 V hysteresis. This prevents multiple output transitions caused by slow edges or noise near the switching point-critical for reliable detection of mechanical switch closures or IR detector outputs.
What is the purpose of the Ioff feature in SN74LVC2G17DSFR?
The Ioff feature in SN74LVC2G17DSFR disables output drivers and limits leakage current to ±10 μA when VCC = 0 V. This protects upstream circuitry during hot-swap events, partial power-down, or system sleep modes-ensuring no damaging back-current flows through the SN74LVC2G17DSFR when unpowered.
Is SN74LVC2G17DSFR pin-compatible with other packages in the same family?
Yes, SN74LVC2G17DSFR shares identical pin numbering and function mapping (1A, GND, 2A, 1Y, VCC, 2Y) with SN74LVC2G17DBVR (SOT-23) and SN74LVC2G17DCKR (SC70). However, due to differing package footprints and thermal pads, PCB layout must be redesigned for each variant-no drop-in replacement without board revision.
SN74LVC2G17DSFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- 6-XFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- Input Type:
- Schmitt Trigger
- Output Type:
- Push-Pull
- Current - Output High, Low:
- 32mA, 32mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SON (1x1)
SN74LVC2G17DSFR FAQ
1.How can I place an order for SN74LVC2G17DSFR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74LVC2G17DSFR 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 SN74LVC2G17DSFR reliable?
The price and inventory of SN74LVC2G17DSFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVC2G17DSFR is usually 5 days.
3.What payment methods are accepted for SN74LVC2G17DSFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74LVC2G17DSFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN74LVC2G17DSFR?
SN74LVC2G17DSFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74LVC2G17DSFR 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 SN74LVC2G17DSFR?
For technical support, including SN74LVC2G17DSFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVC2G17DSFR requirements.
6.How does Aetrix verify that SN74LVC2G17DSFR is sourced from the original manufacturer or authorized distributors?
All SN74LVC2G17DSFR 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 SN74LVC2G17DSFR meets industry standards.
7.What is the process for return or replacement of SN74LVC2G17DSFR?
All SN74LVC2G17DSFR units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVC2G17DSFR, 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 SN74LVC2G17DSFR part is unused and in its original packaging.
Return procedure for SN74LVC2G17DSFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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