Overview
The SN74LVC1G17MDCKREP from Texas Instruments is a single Schmitt-trigger buffer designed for operation over a wide voltage range of 1.65 V to 5.5 V. This device is part of the LVC (Low-Voltage CMOS) family and is known for its robust performance and reliability. It features a single buffer that performs the Boolean function Y = A, with the added benefit of Schmitt-trigger inputs, which provide different input threshold levels for positive-going and negative-going signals. This component is available in the SC-70 (DCK) package and is fully specified for partial-power-down applications, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | –0.5 to 6.5 | V |
| Input Voltage Range | –0.5 to 6.5 | V |
| Operating Temperature Range | –55 to 125 | °C |
| Maximum Propagation Delay (tpd) at 3.3 V | 4.6 | ns |
| Output Drive at 3.3 V | ±24 | mA |
| Power Consumption (ICC) | 10 | μA |
| Input Clamp Current (IIK) | –50 | mA |
| Output Clamp Current (IOK) | –50 | mA |
| Continuous Output Current (IO) | ±50 | mA |
| Package Type | SC-70 (DCK) |
Key Features
- ESD Protection Exceeds JESD 22: 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model.
- Extended Temperature Performance: –55°C to 125°C.
- Low Power Consumption: Maximum ICC of 10 μA.
- High Output Drive: ±24 mA at 3.3 V.
- Supports Partial Power Down Mode: Ioff circuitry disables outputs to prevent current backflow when powered down.
- Schmitt-Trigger Inputs: Provides different input threshold levels for positive-going and negative-going signals.
- Latch-Up Performance: Exceeds 100 mA per JESD 78, Class II.
Applications
The SN74LVC1G17MDCKREP is suitable for a wide range of applications, including:
- General-purpose buffering in digital circuits.
- Signal conditioning and noise reduction due to its Schmitt-trigger inputs.
- Partial power-down systems where low power consumption is critical.
- Automotive and industrial environments requiring robust ESD protection and extended temperature operation.
- Consumer electronics and embedded systems needing reliable and efficient logic functions.
Q & A
- What is the operating voltage range of the SN74LVC1G17MDCKREP? The operating voltage range is from 1.65 V to 5.5 V.
- What is the maximum propagation delay at 3.3 V? The maximum propagation delay at 3.3 V is 4.6 ns.
- What type of package is the SN74LVC1G17MDCKREP available in? It is available in the SC-70 (DCK) package.
- Does the SN74LVC1G17MDCKREP support partial power-down mode? Yes, it supports partial power-down mode through Ioff circuitry.
- What is the ESD protection level of the SN74LVC1G17MDCKREP? It exceeds JESD 22 standards with 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model protection.
- What is the output drive capability at 3.3 V? The output drive capability at 3.3 V is ±24 mA.
- What is the maximum operating temperature range? The maximum operating temperature range is from –55°C to 125°C.
- Is the SN74LVC1G17MDCKREP suitable for automotive applications? While the specific part number mentioned is not automotive-qualified, there is an automotive-qualified version available as SN74LVC1G17-Q1.
- What is the purpose of the Schmitt-trigger inputs in the SN74LVC1G17MDCKREP? The Schmitt-trigger inputs provide different input threshold levels for positive-going and negative-going signals, helping in noise reduction and signal conditioning.
- How does the SN74LVC1G17MDCKREP handle latch-up performance? It exceeds 100 mA per JESD 78, Class II for latch-up performance).
