Overview
The SN74LVC2G17DCKTE4 is a dual Schmitt-Trigger buffer produced by Texas Instruments. This device is designed to operate over a wide voltage range from 1.65 V to 5.5 V, making it versatile for various applications. It contains two independent buffers that perform the Boolean function Y = A, with the added benefit of Schmitt-Trigger inputs which provide hysteresis, helping to stabilize the input signals against noise.
The device is available in the NanoFree™ package, which is part of Texas Instruments' effort to reduce lead content and environmental impact. The SN74LVC2G17 is suitable for use in systems requiring low power consumption and high-speed operation.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply Voltage Range (VCC) | 1.65 | 5.5 | V |
| Input Voltage Range (VI) | –0.5 | 6.5 | V |
| Output Voltage Range (VO) | –0.5 | VCC + 0.5 | V |
| High-Level Output Current (IOH) | –4 (VCC = 1.65 V) | –32 (VCC = 4.5 V) | mA |
| Low-Level Output Current (IOL) | 4 (VCC = 1.65 V) | 32 (VCC = 4.5 V) | mA |
| Operating Free-Air Temperature (TA) | –40 | 125 | °C |
| Propagation Delay Time (tpd) | 1.5 (VCC = 5 V) | 9.8 (VCC = 1.8 V) | ns |
| Power Dissipation Capacitance (Cpd) | 17 | 21 | pF |
| Input Clamp Current (IIK) | –50 | mA | |
| Output Clamp Current (IOK) | –50 | mA |
Key Features
- Schmitt-Trigger inputs provide hysteresis, enhancing noise immunity.
- Operates over a wide voltage range from 1.65 V to 5.5 V.
- Supports 5-V VCC operation.
- Inputs accept voltages up to 5.5 V.
- Low power consumption with a maximum ICC of 10 μA.
- Maximum propagation delay time of 5.4 ns at 3.3 V.
- Available in NanoFree™ package, which is lead-free and environmentally friendly.
- Partial-power-down mode supported.
- Enhanced latch-up performance exceeding 100 mA per junction.
Applications
The SN74LVC2G17 is suitable for a variety of applications where stable and noise-immune signal buffering is required. These include:
- Power button circuits: The device can be used in power button circuits to ensure stable and reliable operation despite potential noise.
- High-speed digital systems: Its low propagation delay and high-speed operation make it ideal for high-speed digital applications.
- Low-power systems: The device's low power consumption makes it suitable for battery-powered devices and other low-power applications.
- Industrial control systems: The wide operating temperature range and robust electrical characteristics make it a good fit for industrial control systems.
Q & A
- What is the voltage range for the SN74LVC2G17?
The SN74LVC2G17 operates over a voltage range from 1.65 V to 5.5 V.
- What is the purpose of the Schmitt-Trigger inputs?
Schmitt-Trigger inputs provide hysteresis, which helps to stabilize the input signals against noise.
- What is the maximum propagation delay time at 3.3 V?
The maximum propagation delay time at 3.3 V is 5.4 ns.
- What is the maximum output current per output?
The maximum output current per output is 50 mA.
- What is the operating temperature range for the SN74LVC2G17?
The operating temperature range is from –40°C to 125°C.
- Is the SN74LVC2G17 lead-free?
Yes, the SN74LVC2G17 is available in a NanoFree™ package, which is lead-free and environmentally friendly.
- Can the inputs handle voltages higher than VCC?
Yes, the inputs can handle voltages up to 5.5 V, even if VCC is lower.
- What is the typical power consumption of the SN74LVC2G17?
The typical power consumption is 10 μA.
- Does the SN74LVC2G17 support partial-power-down mode?
Yes, the SN74LVC2G17 supports partial-power-down mode.
- What is the latch-up performance of the SN74LVC2G17?
The latch-up performance exceeds 100 mA per junction.
