Overview
The SN74LVC1G17DBVT is a single Schmitt-trigger buffer device produced by Texas Instruments. This CMOS 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 features high output drive capabilities while maintaining low static power dissipation. The device is available in several ultra-small package options, including the DPW package with a body size of 0.8 mm × 0.8 mm, which is ideal for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | 1.65 | - | 5.5 | V |
| Input Voltage Range | -0.5 | - | 6.5 | V |
| Output Voltage Range | -0.5 | - | VCC + 0.5 | V |
| Operating Free-Air Temperature | -40 | - | 125 | °C |
| High-Level Output Current (VCC = 3 V) | -16 | - | - | mA |
| Low-Level Output Current (VCC = 3 V) | 16 | - | - | mA |
| Propagation Delay (VCC = 3.3 V, CL = 15 pF) | 1.5 | - | 4.6 | ns |
Key Features
- Wide operating voltage range from 1.65 V to 5.5 V.
- Inputs accept voltages up to 5.5 V, allowing for down voltage translation.
- High output drive capability, producing up to 24 mA of drive current at 3.3 V.
- Schmitt-trigger action with different input threshold levels for positive-going and negative-going signals.
- Ioff feature allows the device to be powered down without damaging current backflow.
- Available in ultra-small packages such as DPW, SC70, SOT-23, and SON, saving significant board space.
Applications
The SN74LVC1G17DBVT is suitable for a variety of applications where a high-drive buffer with Schmitt-trigger action is required. It is particularly useful in scenarios involving slow or noisy inputs, such as:
- Buffering signals in high-speed applications up to 100 MHz.
- Driving multiple outputs due to its high drive current capability.
- Implementing in systems requiring down voltage translation.
- Use in LCD/Digital and High-Definition (HDTV) systems, tablets, video analytics servers, and wireless peripherals like headsets, keyboards, and mice.
Q & A
- What is the operating voltage range of the SN74LVC1G17DBVT?
The device operates over a voltage range from 1.65 V to 5.5 V.
- What is the maximum output current of the SN74LVC1G17DBVT at 3.3 V?
The device can produce up to 16 mA of low-level output current and up to 16 mA of high-level output current at 3.3 V.
- What is the purpose of the Schmitt-trigger action in the SN74LVC1G17DBVT?
The Schmitt-trigger action provides different input threshold levels for positive-going and negative-going signals, helping to stabilize the output against noisy inputs.
- What is the Ioff feature in the SN74LVC1G17DBVT?
The Ioff feature disables the outputs when the device is powered down, preventing damaging current backflow.
- In what types of packages is the SN74LVC1G17DBVT available?
The device is available in various ultra-small packages including DPW, SC70, SOT-23, and SON.
- What is the maximum operating temperature of the SN74LVC1G17DBVT?
The device can operate in temperatures ranging from -40°C to 125°C.
- How much propagation delay can be expected from the SN74LVC1G17DBVT at 3.3 V with a 15 pF load?
The propagation delay is typically between 1.5 ns and 4.6 ns at 3.3 V with a 15 pF load.
- What are some common applications of the SN74LVC1G17DBVT?
Common applications include buffering signals in high-speed applications, driving multiple outputs, and use in LCD/Digital and High-Definition (HDTV) systems, tablets, video analytics servers, and wireless peripherals.
- Can the SN74LVC1G17DBVT handle noisy or slow input signals?
Yes, the device is designed to handle noisy or slow input signals due to its Schmitt-trigger action.
- What is the thermal resistance of the SN74LVC1G17DBVT in the DPW package?
The junction-to-ambient thermal resistance (RθJA) for the DPW package is approximately 229 °C/W.
