Overview
The SN74LV1T126DBVRG4, produced by Texas Instruments, is a single buffer gate logic device belonging to the LVxT family. This device is designed for voltage level translation and operates over a wide voltage range, making it suitable for various applications including industrial, portable, telecom, and automotive sectors. The SN74LV1T126 supports input and output levels compatible with 1.8-V, 2.5-V, 3.3-V, and 5-V CMOS logic, enabling seamless integration with different voltage systems.
The device features reduced input voltage thresholds and 5V tolerant input pins, allowing for both up-translation and down-translation of logic signals. It is characterized by its high current-drive capability, which helps in reducing line reflections, overshoot, and undershoot caused by high-drive outputs.
Key Specifications
| Parameter | Min | Max | Unit | Conditions |
|---|---|---|---|---|
| VCC (Supply Voltage Range) | -0.5 | 7.0 | V | |
| VI (Input Voltage Range) | -0.5 | 7.0 | V | |
| VO (Output Voltage Range in High-Impedance or Power-Off State) | -0.5 | 4.6 | V | |
| VO (Output Voltage Range in High or Low State) | -0.5 | VCC + 0.5 | V | |
| IIK (Input Clamp Current) | -20 | mA | VI < 0 | |
| IOK (Output Clamp Current) | ±20 | mA | VO < 0 or VO > VCC | |
| IO (Continuous Output Current) | ±25 | mA | ||
| TJ (Junction Temperature) | 150 | °C | ||
| Tstg (Storage Temperature) | -65 | 150 | °C | |
| TA (Operating Free-Air Temperature) | -40 | 125 | °C | |
| IOL (Low-Level Output Current) at VCC = 3.3V | 7 | mA | ||
| IOH (High-Level Output Current) at VCC = 3.3V | -7 | mA |
Key Features
- Operates over a wide voltage range: 1.8 V to 5.5 V
- Supports voltage level translation: up-translation and down-translation
- 5V tolerant input pins
- Reduced input voltage thresholds for matching 1.8 V input logic at VCC = 3.3 V
- High current-drive capability to reduce line reflections, overshoot, and undershoot
- Characterized up to 50 MHz at 3.3 V VCC
- Latch-up performance exceeds 250 mA per JESD 17
- Operating temperature range: -40°C to 125°C
Applications
- Telecom
- Portable applications
- Servers
- PC and notebooks
- Industrial and automotive applications
Q & A
- What is the operating voltage range of the SN74LV1T126?
The SN74LV1T126 operates over a wide voltage range from 1.8 V to 5.5 V.
- What types of voltage level translation does the SN74LV1T126 support?
The device supports both up-translation and down-translation of logic signals.
- What is the significance of 5V tolerant input pins?
The 5V tolerant input pins allow the device to handle input signals up to 5.5 V, enabling down-translation from higher voltage systems.
- What is the current-drive capability of the SN74LV1T126?
The device has a high current-drive capability of up to 8 mA to reduce line reflections, overshoot, and undershoot.
- What is the operating temperature range of the SN74LV1T126?
The operating temperature range is from -40°C to 125°C.
- What are the typical applications of the SN74LV1T126?
Typical applications include telecom, portable devices, servers, PC and notebooks, and industrial and automotive systems.
- How does the SN74LV1T126 handle latch-up performance?
The latch-up performance exceeds 250 mA per JESD 17.
- What is the maximum junction temperature for the SN74LV1T126?
The maximum junction temperature is 150°C.
- What are the package options available for the SN74LV1T126?
The device is available in DBV (SOT-23, 5-pin) and DCK (SC70, 5-pin) packages.
- How does the SN74LV1T126 ensure proper device operation?
All unused inputs must be held at VCC or GND to ensure proper device operation.
