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Texas Instruments SN74LVC1G98DBVT
- Part No.:
- SN74LVC1G98DBVT
- Manufacturer:
- Texas Instruments
- Package:
- SOT-23-6
- Datasheet:
-
SN74LVC1G98DBVT.pdf
- Description:
- IC MULTI-FUNC GTE CONFIG SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,963
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Product details
Overview
SN74LVC1G98DBVT from Texas Instruments is a configurable multiple-function logic gate operating from 1.65 V to 5.5 V, supporting 5-V tolerant inputs and delivering ±24-mA output drive at 3.3 V with max propagation delay of 6.3 ns. It implements eight logic functions-including MUX, AND, OR, NAND, NOR, inverter, and noninverter-via three digital inputs (In0–In2), and is used in level-shifting, signal conditioning, and glue logic in space-constrained portable electronics.
For engineers reviewing the SN74LVC1G98DBVT datasheet, SN74LVC1G98DBVT pinout, SN74LVC1G98DBVT application, or SN74LVC1G98DBVT equivalent, key selection criteria include its Schmitt-trigger input hysteresis (ΔVT ≥ 0.53 V at 3 V), Ioff support for live insertion, 10-µA max ICC, NanoFree™ SOT-23-6 package, and compatibility with mixed-voltage system interfacing.
Technical Context
The SN74LVC1G98DBVT uses a 3-bit input configuration (In0, In1, In2) to select one of eight logic functions via truth table mapping, enabling dynamic reconfiguration without external components. Its Schmitt-trigger inputs provide distinct VT+ (1.5 V) and VT– (0.84 V) thresholds at 3 V, delivering noise immunity in noisy environments.
It features Ioff circuitry that disables outputs during partial power-down, preventing back-drive current when VCC = 0 V, and supports down-translation-accepting 5.5-V inputs while operating at VCC as low as 1.65 V-making it suitable for voltage-level bridging between legacy and low-voltage subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 5.5 V - Enables operation across battery-powered (1.8 V), 3.3-V, and 5-V logic domains. |
| Max tpd | 6.3 ns at 3.3 V - Supports high-speed signal routing in real-time control and interface circuits. |
| Output Drive | ±24 mA at 3.3 V - Directly drives LEDs, small relays, or fanout to multiple LVC inputs without buffers. |
| Hysteresis ΔVT | 0.53 V min at 3 V - Rejects >500 mV of input noise, critical for slow-rising signals or mechanical switch debouncing. |
| Ioff Current | ±10 µA max - Ensures safe hot-plug operation and prevents damage during board insertion into powered backplanes. |
| Input Voltage Tolerance | Up to 5.5 V - Allows connection to 5-V microcontrollers or sensors while VCC is at 1.8 V or 3.3 V. |
| ICC (max) | 10 µA - Enables ultra-low-power operation in always-on sensor nodes and battery-backed systems. |
Pinout & Package
SOT-23-6 (DBV) package: 2.9 mm × 1.6 mm × 1.45 mm body, surface-mount, lead-free, RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (In0) | Logic input A | Primary data/control bit for function selection; referenced in truth table row index. |
| 2 (In1) | Logic input B | Secondary data/control bit; combined with In0 and In2 to define logic output Y behavior. |
| 3 (In2) | Logic input C / Function select | Third input determining full 3-bit pattern; enables all eight logic configurations including MUX and invert/noninvert modes. |
| 4 (GND) | Ground reference | Return path for all internal logic and output currents; must be low-impedance for stable hysteresis and timing. |
| 5 (Y) | Configurable logic output | Single-ended CMOS output reflecting selected function; capable of driving capacitive loads ≤ 50 pF within spec. |
| 6 (VCC) | Supply voltage | Power rail defining logic thresholds and output swing; also sets Ioff disable threshold and input tolerance range. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable logic function | Selects among MUX, AND, OR, NAND, NOR, inverter, and buffer using only three inputs-eliminates need for multiple discrete gates. |
| Schmitt-trigger inputs | Provides hysteresis (ΔVT ≥ 0.53 V at 3 V) to reject noise on slow or noisy control lines, e.g., pushbutton interfaces or sensor outputs. |
| Ioff support | Disables outputs during power-off, enabling safe live insertion into powered systems without risk of back-current damage. |
| NanoFree™ packaging | Die-as-package construction reduces footprint to 2.9 mm × 1.6 mm-ideal for wearables, hearing aids, and miniaturized IoT edge nodes. |
| 5-V tolerant inputs | Accepts 0–5.5 V input signals regardless of VCC (1.65–5.5 V), simplifying inter-voltage-domain signal routing without level shifters. |
Applications
| Industrial Sensor Interface | Portable Device Power Sequencing |
|---|---|
Use Scenario: Interfacing analog sensor outputs with hysteresis-based threshold detection in factory automation nodes. IC Role / Device Role / Timing Role: Configured as an inverter or NOR gate with Schmitt inputs to convert slow-rising thermistor or pressure sensor signals into clean digital interrupts. Use Value: Eliminates external RC debounce and comparator circuits; reduces BOM count by one active component and two passives per channel. | Use Scenario: Controlling power-up order of PMIC rails and MCU peripherals in Bluetooth earbuds or smartwatches. IC Role / Device Role / Timing Role: Used as a 2-to-1 data selector with inverted output to gate enable signals based on battery voltage status and firmware boot state. Use Value: Replaces dual SOT-23 logic gates; saves 1.2 mm² PCB area and avoids timing skew between cascaded gates. |
| Automotive Body Control Module | Medical Wearable Signal Conditioning |
Use Scenario: Debouncing door latch switch inputs in 12-V vehicle architectures with 3.3-V microcontroller domains. IC Role / Device Role / Timing Role: Configured as a noninverted buffer with Schmitt inputs to clean mechanical contact bounce before MCU GPIO sampling. Use Value: Withstands 5.5-V transients on switch lines while operating at 3.3 V; meets ISO 7637-2 pulse immunity requirements via input hysteresis. | Use Scenario: Level-shifting ECG electrode bias signals from 5-V analog front-end to 1.8-V ADC in patch-style monitors. IC Role / Device Role / Timing Role: Configured as a NAND gate with one inverted input to combine electrode disconnect detection and lead-off flags. Use Value: Achieves bidirectional voltage translation (5 V → 1.8 V) without external resistors or dedicated level translators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar configurable logic gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G57DBVT | Same SOT-23-6 package and 1.65–5.5 V operation, but offers only six configurable functions (no MUX mode); lower hysteresis (ΔVT = 0.3 V at 3 V). | Lacks 2-to-1 multiplexer functionality; unsuitable where input-selectable routing is required. | Choose SN74LVC1G57DBVT only if MUX capability is unnecessary and cost reduction is prioritized over functional flexibility. |
| NC7SZ98P5X | SC-70-6 package, same 1.65–5.5 V range and Schmitt inputs, but no Ioff support and higher ICC (30 µA max). | Not suitable for hot-swap or partial-power-down systems due to missing Ioff protection. | Select NC7SZ98P5X only in fixed-power, non-hot-plug designs where SC-70 footprint is preferred and leakage budget allows. |
Compared with SN74LVC1G57DBVT and NC7SZ98P5X, the SN74LVC1G98DBVT uniquely combines MUX capability, robust Ioff, and highest hysteresis-making it the only choice for reconfigurable signal routing in battery-powered, hot-pluggable, or noise-prone embedded systems.
Availability
SN74LVC1G98DBVT is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical devices, and automotive body electronics requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant SMT assembly.
Supply support for SN74LVC1G98DBVT 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 SN74LVC1G98DBVT belongs to TI's LVC logic family-designed for flexible, space-efficient digital interfacing in battery-powered, portable, and mixed-voltage systems where configurability and robustness are essential.
FAQ
What logic functions does the SN74LVC1G98DBVT support?
The SN74LVC1G98DBVT supports eight logic functions determined by its three inputs (In0–In2): 2-to-1 data selector with inverted output, 2-input NAND, 2-input NOR with one inverted input, 2-input AND with one inverted input, 2-input NAND with one inverted input, 2-input OR with one inverted input, 2-input NOR, noninverted buffer, and inverter. Each function maps directly to a row in the device's truth table.
Does the SN74LVC1G98DBVT support hot-swap or live insertion?
Yes, the SN74LVC1G98DBVT supports live insertion via its Ioff circuitry, which disables outputs when VCC = 0 V. This prevents damaging back-current flow through the device during board insertion into powered systems-critical for modular industrial controllers and field-replaceable units.
What is the maximum input voltage the SN74LVC1G98DBVT can tolerate?
The SN74LVC1G98DBVT accepts input voltages up to 5.5 V regardless of VCC level (1.65–5.5 V), enabling direct interfacing with 5-V microcontrollers, sensors, or legacy logic while operating at lower supply voltages such as 1.8 V or 3.3 V-no external level shifter required.
How does the Schmitt-trigger input improve noise immunity in the SN74LVC1G98DBVT?
The SN74LVC1G98DBVT's Schmitt-trigger inputs feature separate VT+ (1.5 V) and VT– (0.84 V) thresholds at 3 V, yielding ≥0.53 V hysteresis. This ensures reliable switching on slow or noisy signals-such as mechanical switch closures or analog sensor outputs-without oscillation or false triggering.
Is the SN74LVC1G98DBVT available in other packages besides SOT-23-6?
Yes, the SN74LVC1G98DBVT is specifically the SOT-23-6 (DBV) variant. Other package options for the SN74LVC1G98 include SC70-6 (DCK), SOT-5X3 (DRL), SON-6 (DRY/DSF), and DSBGA-6 (YZP)-each with identical logic functionality but differing footprint, thermal resistance, and mounting requirements.
SN74LVC1G98DBVT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Configurable Multiple Function
- Number of Circuits:
- 1
- Number of Inputs:
- 3
- Schmitt Trigger Input:
- No
- Output Type:
- Single-Ended
- Current - Output High, Low:
- 32mA, 32mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
SN74LVC1G98DBVT FAQ
1.How can I place an order for SN74LVC1G98DBVT through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74LVC1G98DBVT 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 SN74LVC1G98DBVT reliable?
The price and inventory of SN74LVC1G98DBVT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVC1G98DBVT is usually 5 days.
3.What payment methods are accepted for SN74LVC1G98DBVT?
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SN74LVC1G98DBVT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74LVC1G98DBVT 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 SN74LVC1G98DBVT?
For technical support, including SN74LVC1G98DBVT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVC1G98DBVT requirements.
6.How does Aetrix verify that SN74LVC1G98DBVT is sourced from the original manufacturer or authorized distributors?
All SN74LVC1G98DBVT 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 SN74LVC1G98DBVT meets industry standards.
7.What is the process for return or replacement of SN74LVC1G98DBVT?
All SN74LVC1G98DBVT units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVC1G98DBVT, 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 SN74LVC1G98DBVT part is unused and in its original packaging.
Return procedure for SN74LVC1G98DBVT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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