SN74LVC2G17 - Dual Schmitt-Trigger Buffer | Texas Instruments
MPN: SN74LVC2G17 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.35 | $0.35 |
| 10 | $0.28 | $2.80 |
| 100 | $0.21 | $21.00 |
| 500 | $0.17 | $85.00 |
| 1,000 | $0.14 | $140.00 |
Drop-in alternatives for SN74LVC2G17 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
SN74LVC2G17-Q1
✅ Drop-In📋 Reference alternative (not in catalog)
SN74LVC2G17DRYR
✅ Drop-In📋 Reference alternative (not in catalog)
SN74LVC2G17DSFR
✅ Drop-In📋 Reference alternative (not in catalog)
SN74AUP2G17DCK
✅ Drop-In📋 Reference alternative (not in catalog)
74LVC2G17GV
✅ Drop-In📋 Reference alternative (not in catalog)
74LVC2G17
✅ Drop-In📋 Reference alternative (not in catalog)
SN74LVC2G17 Maximum Ratings & Electrical Characteristics
| Number of Channels | 2 |
| Supply Voltage Range | 1.65 V to 5.5 V |
| Input Voltage Tolerance | 5.5 V |
| Output Type | Push-Pull |
| Logic Function | Y = A (Buffer) |
| Schmitt-Trigger Input | Yes |
| Propagation Delay (tpd) at 3.3 V | 3.3 ns (max) |
| Output Drive at 3.3 V | ±24 mA |
| Maximum Quiescent Current (ICC) | 10 µA |
| Operating Temperature Range | -40°C to +125°C |
| Package Options | SOT-23-6 (DBV), SON-6 (DRY), NanoStar (YEP) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| AEC-Q100 Qualified (Q1 version) | Yes (SN74LVC2G17-Q1) |
| Partial Power-Down Support (Ioff) | Yes |
SN74LVC2G17 Pin Configuration
| Pin 1 | 1A — Input of buffer 1 |
| Pin 2 | GND — Ground |
| Pin 3 | 1Y — Output of buffer 1 |
| Pin 4 | 2Y — Output of buffer 2 |
| Pin 5 | VCC — Power supply |
| Pin 6 | 2A — Input of buffer 2 |
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
SN74LVC2G17 is suitable for 6 applications: Switch Debouncing, Level Shifting, Signal Conditioning, Clock Buffering, Automotive Electronics, IoT and Smart Home.
Switch Debouncing
The SN74LVC2G17's Schmitt-trigger inputs provide hysteresis that eliminates false triggering from mechanical switch bounce. With a supply range of 1.65 V to 5.5 V, it can interface directly with microcontrollers and logic circuits. The push-pull output drives up to ±24 mA, ensuring clean logic levels. This makes it ideal for debouncing pushbuttons, limit switches, and encoders in industrial and consumer electronics.
Recommended
Level Shifting
The SN74LVC2G17 accepts input voltages up to 5.5 V regardless of VCC, enabling level shifting between 5-V and 3.3-V logic domains. For example, with VCC at 3.3 V, it can buffer 5-V signals to 3.3-V levels. The 5.5-V input tolerance and Ioff support make it suitable for mixed-voltage systems. This is commonly used in interfacing sensors, memory, and peripherals in embedded designs.
Recommended
Signal Conditioning
The Schmitt-trigger inputs of the SN74LVC2G17 clean up noisy or slow-rise-time signals, making it ideal for conditioning signals from sensors, oscillators, and communication lines. The hysteresis ensures stable output even with input noise. With a propagation delay of 3.3 ns, it can handle high-frequency signals up to tens of MHz. This is used in industrial automation, automotive sensors, and communication interfaces.
Recommended
Clock Buffering
The SN74LVC2G17 can buffer clock signals while providing noise immunity through Schmitt-trigger inputs. Its fast propagation delay (3.3 ns) and push-pull output ensure minimal skew and clean edges. The wide supply range allows operation in both 3.3-V and 5-V clock distribution systems. It is suitable for buffering clocks in microcontrollers, FPGAs, and communication systems.
Recommended
Automotive Electronics
The SN74LVC2G17-Q1 is AEC-Q100 qualified for automotive applications, making it suitable for signal conditioning, switch debouncing, and level shifting in vehicle electronics. The wide supply range (1.65 V to 5.5 V) accommodates automotive battery voltages, and the 5.5-V input tolerance handles noisy environments. The Ioff feature supports partial power-down, which is critical in automotive systems with multiple power domains.
Recommended
IoT and Smart Home
In IoT devices, the SN74LVC2G17 is used for debouncing buttons, conditioning sensor signals, and level shifting between low-power microcontrollers and higher-voltage peripherals. Its low power consumption (10 µA max ICC) is ideal for battery-powered devices. The small SOT-23-6 package fits compact PCB layouts. This makes it a versatile choice for smart home sensors, wearables, and wireless modules.
Recommended
Recommended Products Summary
Engineering reference data for SN74LVC2G17 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SN74LVC2G17-Q1 | SN74AUP2G17DCK | 74LVC2G17GV |
|---|---|---|---|---|
| Package | SOT-23-6 (DBV) | SOT-23-6 (DBV) | SOT-23-6 (DCK) | SOT-23-6 (GV) |
| 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 | 0.8 V to 3.6 V | 1.65 V to 5.5 V |
| Propagation Delay (tpd) at 3.3V | 3.3 ns | 3.3 ns | 8 ns | 3.3 ns |
| Output Drive at 3.3V | ±24 mA | ±24 mA | ±4 mA | ±24 mA |
| Input Voltage Tolerance | 5.5 V | 5.5 V | 3.6 V | 5.5 V |
| Max ICC | 10 µA | 10 µA | 0.9 µA | 10 µA |
| AEC-Q100 Qualified | No (standard) | Yes | No | No |
Key Differentiators
- Wide supply voltage range (1.65 V to 5.5 V) (vs SN74AUP2G17DCK)
- Faster propagation delay (3.3 ns vs 8 ns) (vs SN74AUP2G17DCK)
- Higher output drive (±24 mA vs ±4 mA) (vs SN74AUP2G17DCK)
Design Notes
Place decoupling capacitor (0.1 µF) close to VCC pin to minimize power supply noise. For high-speed signals, keep traces short and use ground plane to reduce inductance. The SOT-23-6 package has a thermal pad; ensure proper soldering for heat dissipation.
Do not exceed the input voltage tolerance of 5.5 V, even when VCC is lower. The Schmitt-trigger thresholds vary with VCC; consult the datasheet for VT+ and VT- values at your operating voltage. For partial power-down, ensure Ioff is properly handled to avoid backflow current.
The Schmitt-trigger inputs provide hysteresis, but for very noisy environments, consider adding external RC filtering. The push-pull output can drive capacitive loads; for long traces, add series resistor to reduce ringing. The propagation delay of 3.3 ns is fast, so match trace lengths in parallel applications.
Compliance Information
Standard version is not AEC-Q100 qualified; the Q1 variant is. RoHS compliant per TI product page.
