Texas Instruments SN74LVC1G80DBVT
- Part No.:
- SN74LVC1G80DBVT
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- SC-74A, SOT-753
- Datasheet:
-
SN74LVC1G80DBVT.pdf
- Description:
- IC FF D-TYPE SNGL 1BIT SOT23-5
- Quantity:
- Payment:

- Shipping:

Inventory:767
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Product details
Overview
SN74LVC1G80DBVT from Texas Instruments is a single positive-edge-triggered D-type flip-flop designed for 1.65V to 5.5V operation, delivering 4.2ns propagation delay at 3.3V, ±24mA output drive, and Ioff-enabled partial-power-down protection. It functions as a synchronous data latch in clock domain crossing, frequency division, and edge-sensitive control paths within compact digital logic systems.
For engineers reviewing the SN74LVC1G80DBVT datasheet, SN74LVC1G80DBVT pinout, SN74LVC1G80DBVT application, or SN74LVC1G80DBVT equivalent, this page provides verified electrical specs, SOT-23-5 package mapping, functional timing behavior, and validated alternatives for industrial and embedded signal synchronization use cases.
Technical Context
The SN74LVC1G80DBVT implements a CMOS-based positive-edge-triggered D flip-flop with voltage-level clock detection-triggering occurs at defined input thresholds, independent of clock slew rate. Its transmission-gate logic architecture enables rail-to-rail input tolerance up to 5.5V and supports down-translation to VCC.
It features Ioff circuitry that disables outputs during power-down, preventing back-drive current and enabling hot-insertion in multi-rail systems. The device operates across –40°C to +125°C with guaranteed timing at 160MHz (1.8V) and 1.3ns setup time (3.3V), meeting JESD78 Class II latch-up requirements (>100mA).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65V to 5.5V - Enables interoperability across 1.8V, 2.5V, 3.3V, and 5V logic domains without level shifters. |
| tpd (CLK→Q) | 1.3ns (min) / 4.2ns (max) at 3.3V - Supports high-speed sampling and clock division up to 160MHz. |
| Output Drive | ±24mA at 3.3V - Sustains fast edge rates into light capacitive loads (<15pF) without external buffering. |
| Ioff Leakage | ±10µA max - Ensures safe isolation during partial power-down, blocking back-current into powered sections. |
| Input Voltage Range | –0.5V to 5.5V - Accepts overvoltage inputs (e.g., 5V signals into 3.3V system) without damage or clamping loss. |
| tsu / th (3.3V) | 1.3ns setup / 0.9ns hold - Defines minimum data stability window before/after clock edge for reliable capture. |
| ICC (max) | 10µA - Enables ultra-low static power in battery-backed or always-on control logic nodes. |
Pinout & Package
SOT-23-5 (DBV) package: 2.90mm × 1.60mm footprint with gull-wing leads; optimized for space-constrained PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - D | Data input | Asynchronous data source synchronized to CLK↑; accepts voltages up to 5.5V regardless of VCC. |
| 2 - CLK | Clock input | Positive-edge-triggered control signal; threshold-based triggering decouples timing from rise/fall rate. |
| 3 - GND | Ground reference | Return path for all internal currents; must be low-impedance to maintain noise margin and timing integrity. |
| 4 - Q | Non-inverted output | CMOS push-pull output capable of sourcing/sinking ±24mA; toggles on each valid CLK↑ when D is stable. |
| 5 - VCC | Power supply | Single-supply rail (1.65–5.5V); powers logic core and I/O buffers; requires local 0.1µF bypass capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| NanoFree™ packaging | Die-as-package construction eliminates bond wires and mold compound, reducing parasitic inductance and enabling 0.65mm pitch compatibility. |
| Ioff partial-power-down | Outputs enter high-Z state at VCC = 0V, eliminating back-drive risk in mixed-voltage hot-swap subsystems. |
| Rail-to-rail input tolerance | Inputs withstand –0.5V to 5.5V - allows interfacing with legacy 5V peripherals in modern low-voltage systems. |
| Low dynamic power | 25pF typical power dissipation capacitance at 3.3V - minimizes switching current in high-frequency toggle applications. |
| JESD78 Class II latch-up | Withstands >100mA transient current - ensures robustness against ESD-induced latch-up in noisy industrial environments. |
Applications
| Test Equipment Clock Synchronization | Industrial PLC Input Sampling |
|---|---|
Use Scenario: Capturing sensor pulses from isolated analog front-ends into microcontroller GPIO with precise edge alignment. IC Role / Device Role / Timing Role: Synchronizes asynchronous external event signals to the MCU's internal clock domain while suppressing metastability. Use Value: Guarantees single-cycle capture reliability with 0.9ns hold time margin, eliminating need for multi-stage synchronizers in cost-sensitive designs. |
Use Scenario: Debouncing mechanical switch inputs in programmable logic controllers before state-machine evaluation. IC Role / Device Role / Timing Role: Provides edge-triggered storage of contact closure events, enabling deterministic scan-cycle registration. Use Value: Delivers 4.2ns max tpd at 3.3V to support sub-microsecond input update rates in real-time control loops. |
| USB Hub Power Sequencing | White Goods Motor Control Feedback |
Use Scenario: Enabling USB port power rails only after host enumeration completes, using a GPIO-controlled enable chain. IC Role / Device Role / Timing Role: Acts as a one-shot edge detector that converts a sustained host signal into a clean, glitch-free enable pulse. Use Value: Leverages Ioff to isolate downstream 5V power circuitry during host reset, preventing backfeed into unpowered USB PHYs. |
Use Scenario: Latching hall-effect encoder edges for brushless DC motor commutation timing in washing machine drives. IC Role / Device Role / Timing Role: Stores rotor position transitions synchronized to a master PWM clock for accurate phase alignment. Use Value: Supports 160MHz max clock frequency at 1.8V - enables fine-grained timing resolution for high-RPM motor control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74LVC1G74DCUR | Dual-edge-triggered D flip-flop in SOT-23-8; lacks Ioff; higher ICC (20µA typ); no overvoltage-tolerant inputs. | Requires separate power sequencing; unsuitable for hot-swap or mixed-voltage back-drive scenarios. | Select when dual DFF functionality is needed and Ioff is not required; verify layout accommodates larger 8-pin footprint. |
| SN74AUP1G79DBVT | Ultra-low-power variant (0.9V–3.6V); 12ns tpd at 3.3V; ±4mA drive; supports –40°C to +85°C only. | Lower speed and drive limit usage to battery-powered sensors or low-noise analog interface logic. | Prefer for energy-constrained IoT endpoints where 4.2ns tpd is unnecessary and 10µA ICC must be further reduced. |
Compared with SN74LVC1G80DBVT, 74LVC1G74DCUR offers dual functionality but sacrifices Ioff protection and overvoltage tolerance, while SN74AUP1G79DBVT trades speed and drive for ultra-low static power-making SN74LVC1G80DBVT optimal for high-integrity, mixed-voltage industrial timing where robustness and responsiveness are jointly critical.
Availability
SN74LVC1G80DBVT is available at Aetrix Electronics and suitable for test equipment synchronization, industrial PLC input sampling, and USB hub power sequencing requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for SN74LVC1G80DBVT 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 expertise in high-reliability industrial and automotive-grade components.
The SN74LVC1G80DBVT belongs to TI's LVC logic family-designed for low-voltage, high-speed, mixed-signal interface applications demanding rail-to-rail compatibility, robust ESD performance, and minimal board space.
FAQ
What is the maximum clock frequency supported by the SN74LVC1G80DBVT?
The SN74LVC1G80DBVT supports up to 160MHz clock frequency across its full operating range (1.65V–5.5V) at temperatures from –40°C to +85°C. At 3.3V and 25°C, it achieves 1.3ns minimum setup time and 4.2ns maximum propagation delay, enabling reliable operation in high-speed digital control paths. Performance remains specified up to +125°C for industrial applications.
Does the SN74LVC1G80DBVT support 5V-tolerant inputs?
Yes, the SN74LVC1G80DBVT accepts input voltages up to 5.5V on both D and CLK pins-even when VCC is as low as 1.65V. This overvoltage tolerance enables direct interfacing with 5V legacy peripherals in 3.3V or 2.5V systems without external level shifters, simplifying design and reducing BOM count.
How does the Ioff feature function in the SN74LVC1G80DBVT?
The Ioff feature in the SN74LVC1G80DBVT disables all outputs when VCC = 0V, limiting leakage current to ±10µA maximum. This prevents back-drive current from other powered rails into the unpowered device, protecting against damage and ensuring safe hot-swap capability in modular systems with staggered power sequencing.
What package type is used for the SN74LVC1G80DBVT?
The SN74LVC1G80DBVT uses the SOT-23-5 (DBV) package: a 2.90mm × 1.60mm surface-mount outline with gull-wing leads. It employs TI's NanoFree™ technology-using the silicon die directly as the package-reducing parasitics and enabling high-density routing in space-constrained applications like portable instrumentation and motor drives.
Can the SN74LVC1G80DBVT be used for clock frequency division?
Yes, the SN74LVC1G80DBVT can implement a divide-by-2 function by connecting Q to D. On each rising clock edge, the output toggles-producing a 50% duty-cycle waveform at half the input frequency. This configuration is validated in TI's application notes and leverages the device's precise edge-triggered behavior and 160MHz capability for clean clock synthesis.
SN74LVC1G80DBVT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Standard
- Type:
- D-Type
- Output Type:
- Inverted
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Clock Frequency:
- 160 MHz
- Max Propagation Delay @ V, Max CL:
- 4.5ns @ 5V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 32mA, 32mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Current - Quiescent (Iq):
- 10 µA
- Input Capacitance:
- 3.5 pF
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
SN74LVC1G80DBVT FAQ
1.How can I place an order for SN74LVC1G80DBVT through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74LVC1G80DBVT 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 SN74LVC1G80DBVT reliable?
The price and inventory of SN74LVC1G80DBVT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVC1G80DBVT is usually 5 days.
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Once your SN74LVC1G80DBVT 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 SN74LVC1G80DBVT?
For technical support, including SN74LVC1G80DBVT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVC1G80DBVT requirements.
6.How does Aetrix verify that SN74LVC1G80DBVT is sourced from the original manufacturer or authorized distributors?
All SN74LVC1G80DBVT 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 SN74LVC1G80DBVT meets industry standards.
7.What is the process for return or replacement of SN74LVC1G80DBVT?
All SN74LVC1G80DBVT units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVC1G80DBVT, 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 SN74LVC1G80DBVT part is unused and in its original packaging.
Return procedure for SN74LVC1G80DBVT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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