Overview
The SN74LV4T125, produced by Texas Instruments, is a low-voltage CMOS buffer translator designed for a wide range of applications including portable, telecom, industrial, and automotive systems. This device operates with a single power supply voltage ranging from 1.8V to 5.5V, enabling it to support various CMOS levels such as 1.8V, 2.5V, 3.3V, and 5V. It features 3-state output and supports both up and down voltage translation, making it versatile for different system requirements.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| 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 |
| IO (Continuous Output Current) | -35 | 35 | mA |
| TJ (Junction Temperature) | - | 150 | °C |
| Tstg (Storage Temperature) | -65 | 150 | °C |
| Operating Temperature Range | -40 | 125 | °C |
| ESD Ratings (Human-Body Model) | - | ±2000 | V |
| Input Capacitance (Ci) at VCC = 3.3V | - | 1.6 | pF |
| Output Capacitance (Co) at VCC = 3.3V | - | 4.8 | pF |
Key Features
- Operates with a single power supply voltage from 1.8V to 5.5V, supporting various CMOS levels.
- 3-state output for high-impedance state when output is disabled.
- Supports up and down voltage translation.
- Lower threshold circuit design for level translation.
- 5-V tolerant input pins for down translation.
- Current-drive capability of 8 mA to reduce line reflections, overshoot, and undershoot.
- Latch-up performance exceeds 250 mA per JESD 17.
- Supports standard logic pinouts.
- CMOS output compatible with AUP125 and LVC125 families.
- Ioff support for partial-power-down mode operation.
Applications
- Tablets and smartphones.
- Personal computers.
- Industrial and automotive systems.
- Telecom and portable applications.
Q & A
- What is the operating temperature range of the SN74LV4T125?
The operating temperature range is from -40°C to 125°C.
- What is the voltage range for the power supply of the SN74LV4T125?
The power supply voltage range is from 1.8V to 5.5V.
- Does the SN74LV4T125 support voltage translation?
- What is the maximum continuous output current of the SN74LV4T125?
The maximum continuous output current is ±35 mA.
- What are the typical applications of the SN74LV4T125?
Typical applications include tablets, smartphones, personal computers, industrial, and automotive systems.
- What is the ESD rating for the SN74LV4T125 according to the Human-Body Model?
The ESD rating is ±2000 V.
- Does the SN74LV4T125 have 3-state output capability?
- What is the latch-up performance of the SN74LV4T125?
The latch-up performance exceeds 250 mA per JESD 17.
- What are the recommended bypass capacitor values for the power supply?
A 0.1 µF capacitor is recommended for single supply devices, and 0.01 µF or 0.022 µF for each power pin in multiple VCC pin devices.
- Is the SN74LV4T125 compatible with other CMOS families?
