Overview
The SN74LVC1G17DCK3 is a single Schmitt-trigger buffer device produced by Texas Instruments. This device is part of the SN74LVC1G17 family and is specifically packaged in the SC70 (DCK) package. It is designed to operate over a wide voltage range from 1.65 V to 5.5 V, making it versatile for various applications. The device features high output drive capability while maintaining low static power dissipation, making it suitable for high-speed and low-power applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | -0.5 | 6.5 | 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 = 3.3 V) | -16 | mA | ||
| Low-Level Output Current (VCC = 3.3 V) | 16 | mA | ||
| Propagation Delay (VCC = 3.3 V, CL = 15 pF) | 1.5 | 4.6 | ns |
Key Features
- Wide operating voltage range: 1.65 V to 5.5 V
- Supports 5-V VCC operation and inputs accept voltages up to 5.5 V
- High output drive capability with low static power dissipation
- Schmitt-trigger action with different input threshold levels for positive-going and negative-going signals
- Ioff feature allows for partial-power-down applications, preventing current backflow when powered down
- Available in ultra-small packages, including SC70 (DCK) with a body size of 2.0 mm × 1.25 mm
Applications
The SN74LVC1G17DCK3 is suitable for a variety of applications where a high-drive CMOS buffer is required. These include:
- Buffering slow or noisy inputs in high-speed applications
- Driving multiple outputs due to its high drive current capability
- Down voltage translation applications
- 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 SN74LVC1G17DCK3?
The device operates over a wide voltage range from 1.65 V to 5.5 V.
- What is the maximum output current of the SN74LVC1G17DCK3 at 3.3 V?
The device can produce up to 16 mA of high-level output current and up to 16 mA of low-level output current at 3.3 V.
- What is the propagation delay of the SN74LVC1G17DCK3 at 3.3 V with a 15 pF load?
The propagation delay is between 1.5 ns and 4.6 ns.
- What is the purpose of the Schmitt-trigger action in the SN74LVC1G17DCK3?
The Schmitt-trigger action provides different input threshold levels for positive-going and negative-going signals, helping to stabilize the input signal.
- What is the Ioff feature in the SN74LVC1G17DCK3?
The Ioff feature disables the outputs when the device is powered down, preventing damaging current backflow.
- In what package is the SN74LVC1G17DCK3 available?
The SN74LVC1G17DCK3 is available in the SC70 (DCK) package with a body size of 2.0 mm × 1.25 mm.
- What are some typical applications of the SN74LVC1G17DCK3?
It is used in buffering slow or noisy inputs, driving multiple outputs, down voltage translation, and in various electronic systems like LCD/Digital and HDTV, tablets, and wireless peripherals.
- What is the thermal resistance of the SN74LVC1G17DCK3 in the SC70 package?
The junction-to-ambient thermal resistance (RθJA) for the SC70 package is approximately 350 °C/W.
- Can the SN74LVC1G17DCK3 handle high-speed applications?
Yes, it is suitable for high-speed applications up to 100 MHz.
- How does the device handle input voltages above VCC?
The inputs are 5.5 V tolerant, allowing them to translate down to VCC.
