Overview
The SN74LVC1G17, produced by Texas Instruments, is a single Schmitt-trigger buffer designed for a wide range of voltage operations. This device operates within a voltage range of 1.65 V to 5.5 V, making it versatile for various applications. It features a single buffer that performs the Boolean function Y = A, with the added benefit of Schmitt trigger action, which helps in handling noisy or slow inputs by providing different input threshold levels for positive-going and negative-going signals.
The device is available in several ultra-small package options, including the DPW package with a 0.64 mm² footprint, which is particularly useful for saving board space. The SN74LVC1G17 is also fully specified for partial-power-down applications, featuring Ioff circuitry that prevents damaging current backflow when the device is powered down.
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 (High-Impedance or Power-Off State) | -0.5 | 6.5 | V | |
| Output Voltage Range (High or Low State) | -0.5 | VCC + 0.5 | V | |
| Input Clamp Current (VI < 0) | -50 | mA | ||
| Output Clamp Current (VO < 0) | -50 | mA | ||
| Continuous Output Current | ±50 | mA | ||
| Continuous Current Through VCC or GND | ±100 | mA | ||
| Operating Free-Air Temperature | -40 | 125 | °C | |
| High-Level Output Current (VCC = 1.65 V) | -4 | mA | ||
| Low-Level Output Current (VCC = 1.65 V) | 4 | mA | ||
| Propagation Delay (VCC = 3.3 V, CL = 15 pF) | 1.5 | 4.6 | ns |
Key Features
- Wide Operating Voltage Range: Operates from 1.65 V to 5.5 V, allowing for flexibility in various applications.
- Schmitt Trigger Action: Provides different input threshold levels for positive-going and negative-going signals, helping to handle noisy or slow inputs.
- High Output Drive: Capable of producing up to 24 mA of drive current at 3.3 V, making it suitable for driving multiple outputs and high-speed applications.
- Input Voltage Tolerance: Inputs are 5.5 V tolerant, allowing for down voltage translation.
- Ultra-Small Packages: Available in packages such as DPW, SOT-23, SC70, and SON, which save significant board space.
- Ioff Feature: Allows for partial-power-down applications, preventing damaging current backflow when the device is powered down.
- Low Static Power Dissipation: Maintains low power consumption over a broad VCC operating range.
Applications
The SN74LVC1G17 is suitable for a variety of applications where buffer functions are required, particularly in scenarios involving slow or noisy inputs. Here are some key application areas:
- High-Speed Applications: Ideal for applications up to 100 MHz due to its high drive capability and fast propagation delay.
- Buffer Type Functions: Can be used in any buffer type function where the input signal needs to be cleaned up or amplified.
- Down Voltage Translation: Useful in systems where voltage translation from a higher voltage to a lower voltage is necessary.
- Consumer Electronics: Suitable for use in devices such as wireless headsets, keyboards, and mice, as well as in LCD and digital displays.
- Industrial and Automotive Systems: Can be used in various industrial and automotive applications requiring robust and reliable buffer functions.
Q & A
- What is the operating voltage range of the SN74LVC1G17?
The SN74LVC1G17 operates from 1.65 V to 5.5 V.
- What is the purpose of the Schmitt trigger action in the SN74LVC1G17?
The Schmitt trigger action helps in handling noisy or slow inputs by providing different input threshold levels for positive-going and negative-going signals.
- What are the available package options for the SN74LVC1G17?
The device is available in various packages including DPW, SOT-23, SC70, and SON.
- How much drive current can the SN74LVC1G17 produce at 3.3 V?
The SN74LVC1G17 can produce up to 24 mA of drive current at 3.3 V.
- What is the Ioff feature in the SN74LVC1G17?
The Ioff feature allows for partial-power-down applications, preventing damaging current backflow when the device is powered down.
- What is the maximum operating temperature for the SN74LVC1G17?
The maximum operating temperature is 125°C.
- Can the SN74LVC1G17 handle high-speed applications?
Yes, it is suitable for high-speed applications up to 100 MHz.
- Are the inputs of the SN74LVC1G17 voltage tolerant?
Yes, the inputs are 5.5 V tolerant.
- What are some common applications of the SN74LVC1G17?
Common applications include high-speed buffer functions, down voltage translation, and use in consumer electronics and industrial systems.
- How does the SN74LVC1G17 save board space?
The device is available in ultra-small packages such as the DPW package, which has a 0.64 mm² footprint.
