Overview
The SN74LVC1G14DCKJ, produced by Texas Instruments, is a single Schmitt-trigger inverter integrated circuit. This device operates within a voltage range of 1.65 V to 5.5 V and performs the Boolean function Y = A. It is designed to be used in a variety of applications where signal inversion with hysteresis is required, making it tolerant to slow or noisy input signals. The SN74LVC1G14 is available in several package types, including the SC70-5 package for the DCKJ variant.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 1.65 | 5.5 | V | |
| Input Voltage (VI) | 0 | 5.5 | V | |
| Output Voltage (VO) | 0 | VCC | V | |
| High-Level Output Current (IOH) | -4 | -32 | mA | |
| Low-Level Output Current (IOL) | 4 | 32 | mA | |
| Operating Free-Air Temperature (TA) | -40 | 125 | °C | |
| Propagation Delay Time (tpd) | 1.5 | 13 | ns | |
| ESD Protection | 2000 V (HBM), 200 V (MM), 1000 V (CDM) | V |
Key Features
- Single Schmitt-trigger inverter with hysteresis, providing tolerance to slow or noisy input signals.
- Operates over a wide voltage range from 1.65 V to 5.5 V.
- Available in various package types, including SOT-23, SC70, SOT-5X3, SON, X2SON, and DSBGA.
- ESD protection exceeds JESD 22 standards: 2000-V Human-Body Model (HBM), 200-V Machine Model (MM), and 1000-V Charged-Device Model (CDM).
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
- Partial-power-down mode with Ioff circuitry to prevent current backflow and device damage.
Applications
- Signal inversion and conditioning in digital circuits.
- Noise reduction and signal stabilization in noisy environments.
- Use in logic gates and digital logic circuits where hysteresis is beneficial.
- General-purpose inverter applications in various electronic systems.
Q & A
- What is the voltage range of the SN74LVC1G14?
The SN74LVC1G14 operates within a voltage range of 1.65 V to 5.5 V.
- What is the function of the Schmitt-trigger input in the SN74LVC1G14?
The Schmitt-trigger input provides hysteresis, making the device tolerant to slow or noisy input signals.
- What are the different package types available for the SN74LVC1G14?
The SN74LVC1G14 is available in SOT-23, SC70, SOT-5X3, SON, X2SON, and DSBGA packages.
- What is the ESD protection level of the SN74LVC1G14?
The device has ESD protection exceeding 2000-V Human-Body Model (HBM), 200-V Machine Model (MM), and 1000-V Charged-Device Model (CDM).
- How does the partial-power-down mode work in the SN74LVC1G14?
The Ioff circuitry disables the outputs when the device is powered down, preventing current backflow and potential device damage.
- What is the operating temperature range of the SN74LVC1G14?
The operating free-air temperature range is from -40°C to 125°C for most packages, and -40°C to 85°C for some specific packages.
- What is the typical propagation delay time of the SN74LVC1G14?
The typical propagation delay time ranges from 1.5 ns to 13 ns depending on the supply voltage and load capacitance.
- Can the SN74LVC1G14 be used in safety-critical applications?
No, the device is not recommended for use in safety-critical applications. Refer to the datasheet for detailed disclaimers.
- How should unused inputs of the SN74LVC1G14 be handled?
All unused inputs must be held at VCC or GND to ensure proper device operation.
- What is the purpose of the Ioff circuitry in the SN74LVC1G14?
The Ioff circuitry inhibits current backflow into the device when it is powered down, preventing damage.
