SN74LVC1G14DBVR - Single Schmitt-Trigger Inverter | TI
MPN: SN74LVC1G14DBVR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.35 | $0.35 |
| 10 | $0.28 | $2.80 |
| 100 | $0.18 | $18.00 |
| 500 | $0.14 | $70.00 |
| 1,000 | $0.11 | $110.00 |
Drop-in alternatives for SN74LVC1G14DBVR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
SN74LVC1G14DBVT
β Drop-Inπ Reference alternative (not in catalog)
SN74LVC1G14DCKR
β Drop-Inπ Reference alternative (not in catalog)
SN74LVC1G14DBVRQ1
β Drop-Inπ Reference alternative (not in catalog)
74LVC1G14GW
β Drop-Inπ Reference alternative (not in catalog)
74LVC1G14SE-7
β Drop-Inπ Reference alternative (not in catalog)
MC74VHC1G14DFT1G
β Drop-Inπ Reference alternative (not in catalog)
SN74LVC1G14DBVR Maximum Ratings & Electrical Characteristics
| Logic Family | LVC |
| Logic Function | Inverter with Schmitt-Trigger Input |
| Number of Channels | 1 |
| Supply Voltage Range | 1.65 V to 5.5 V |
| Output Current | Β±32 mA at 3.3 V |
| Propagation Delay Time | 3.7 ns at 3.3 V (typical) |
| Input Hysteresis (ΞVT) | 0.4 V to 1.4 V (typical) |
| Quiescent Current | 10 Β΅A (typical) |
| Operating Temperature Range | -40Β°C to +125Β°C |
| Package Type | SOT-23-5 (DBV) |
| Mounting Type | Surface Mount |
| ESD Protection | 2 kV HBM |
| RoHS Status | Compliant |
| REACH Status | Compliant |
| Lead-Free | Yes |
SN74LVC1G14DBVR Pin Configuration
| Pin 1 | A β Input |
| Pin 2 | GND β Ground |
| Pin 3 | Y β Output |
| Pin 4 | NC β No connect |
| Pin 5 | VCC β Power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
SN74LVC1G14DBVR is suitable for 6 applications: Signal Conditioning, Switch Debouncing, Oscillator Circuits, Level Shifting, Pulse Shaping, Noise Filtering.
Signal Conditioning
The SN74LVC1G14DBVR is ideal for conditioning slow or noisy signals from sensors, switches, and encoders. Its Schmitt-trigger input with hysteresis (0.4 V to 1.4 V) cleans up edges, preventing false triggering. For example, a photodiode amplifier output with slow rise time can be squared up for digital logic. The wide supply range (1.65 V to 5.5 V) allows direct interface with various microcontrollers. The high output drive (Β±32 mA) can directly drive LEDs or other loads, reducing external components. This application benefits from the device's low propagation delay (3.7 ns) and robust ESD protection.
Recommended
Switch Debouncing
Mechanical switches often produce bouncing signals that can cause multiple logic transitions. The SN74LVC1G14DBVR's Schmitt-trigger input with hysteresis eliminates the need for external RC networks, simplifying debounce circuits. The device's wide supply range (1.65 V to 5.5 V) makes it compatible with both 3.3-V and 5-V systems. Its low quiescent current (10 Β΅A) is ideal for battery-powered devices. The SOT-23-5 package fits compact designs. This application leverages the device's noise immunity and fast response, ensuring clean digital signals for microcontrollers.
Recommended
Oscillator Circuits
The SN74LVC1G14DBVR can be used to build simple RC oscillators for clock generation or tone generation. Its Schmitt-trigger input provides the hysteresis needed for stable oscillation. With a supply voltage of 3.3 V, the propagation delay (3.7 ns) and threshold levels determine the frequency. The device's wide operating temperature range (-40Β°C to +125Β°C) ensures reliable operation in harsh environments. The high output drive (Β±32 mA) can drive buzzers or LEDs directly. This application benefits from the device's low power consumption and compact package.
Recommended
Level Shifting
The SN74LVC1G14DBVR can shift logic levels between different voltage domains, such as from 1.8 V to 3.3 V. Its input thresholds are compatible with lower-voltage signals, and the output swings to the supply voltage. For example, a 1.8-V sensor output can be converted to 3.3-V logic for an MCU. The device's wide supply range (1.65 V to 5.5 V) provides flexibility. However, it is unidirectional and inverting; for non-inverting level shifting, consider the SN74LVC1G17DBVR. This application is common in mixed-voltage systems.
Recommended
Pulse Shaping
The SN74LVC1G14DBVR is used to shape pulses from sensors or communication lines, ensuring clean edges for digital processing. Its Schmitt-trigger input with hysteresis (0.4 V to 1.4 V) removes noise and jitter. The device's fast propagation delay (3.7 ns) preserves pulse integrity. With a supply voltage of 5 V, it can interface with TTL logic. The high output drive (Β±32 mA) allows direct connection to transmission lines. This application is critical in data acquisition and communication systems.
Recommended
Noise Filtering
The SN74LVC1G14DBVR filters out noise on digital lines by providing hysteresis, preventing false triggering from glitches. Its input thresholds are designed to reject small voltage fluctuations. The device's wide supply range (1.65 V to 5.5 V) makes it suitable for various logic families. The low quiescent current (10 Β΅A) is beneficial for power-sensitive designs. The SOT-23-5 package is ideal for space-constrained PCBs. This application enhances signal integrity in industrial and automotive environments.
Recommended
Recommended Products Summary
Engineering reference data for SN74LVC1G14DBVR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SN74LVC1G14DBVT | SN74LVC1G14DCKR | 74LVC1G14GW |
|---|---|---|---|---|
| Package | SOT-23-5 (DBV) | SOT-23-5 (DBV) | SC70-5 (DCK) | SOT-353 (SC70-5) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Nexperia |
| Supply Voltage Range | 1.65 V to 5.5 V | 1.65 V to 5.5 V | 1.65 V to 5.5 V | 1.65 V to 5.5 V |
| Output Current | Β±32 mA | Β±32 mA | Β±32 mA | Β±32 mA |
| Propagation Delay | 3.7 ns at 3.3 V | 3.7 ns at 3.3 V | 3.7 ns at 3.3 V | 3.7 ns at 3.3 V |
| Hysteresis | 0.4 V to 1.4 V | 0.4 V to 1.4 V | 0.4 V to 1.4 V | 0.4 V to 1.4 V |
| Operating Temperature | -40Β°C to +125Β°C | -40Β°C to +125Β°C | -40Β°C to +125Β°C | -40Β°C to +125Β°C |
| Automotive Grade | No | No | No | No |
Key Differentiators
- Wide supply voltage range (1.65 V to 5.5 V) (vs MC74VHC1G14DFT1G)
- High output drive (Β±32 mA) (vs 74LVC1G14GW)
- Automotive grade option available (vs 74LVC1G14SE-7)
Design Notes
Place a 0.1-Β΅F ceramic capacitor close to the VCC pin (pin 5) and GND (pin 2) to decouple high-frequency noise. For supply voltages above 3.3 V, consider a 1-Β΅F capacitor for better stability. The device has a wide supply range (1.65 V to 5.5 V), but ensure the supply is clean to avoid false triggering.
Keep input and output traces short to minimize parasitic capacitance and crosstalk. The SOT-23-5 package has a 0.95-mm pitch, so use standard PCB design rules. For high-speed signals, maintain a solid ground plane and avoid vias on critical traces. The device's fast propagation delay (3.7 ns) requires careful layout to preserve signal integrity.
Do not exceed the absolute maximum ratings: VCC up to 6.5 V, input voltage up to 6.5 V, and output current up to Β±50 mA. The Schmitt-trigger input can handle slow edges, but avoid input voltages below GND or above VCC. Ensure the output is not shorted to ground or VCC for extended periods, as this can cause overheating.
Compliance Information
RoHS and REACH compliant per TI product page. Not AEC-Q100 qualified; use SN74LVC1G14DBVRQ1 for automotive.
