Overview
The SN74LV4T125PWR, produced by Texas Instruments, is a low-voltage CMOS buffer gate designed to operate across a wide voltage range. This device is particularly suited for portable, telecom, industrial, and automotive applications. It features a single-supply voltage translator capable of operating at 5.0-V, 3.3-V, 2.5-V, and 1.8-V VCC levels. The SN74LV4T125PWR supports both up and down voltage translation, making it versatile for various system designs.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC (Supply Voltage Range) | 1.8 | 5.5 | 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 Rating (Human-Body Model) | - | ±2000 | V |
Key Features
- Single-supply voltage translator at 5.0-V, 3.3-V, 2.5-V, and 1.8-V VCC levels.
- Operating range of 1.8 V to 5.5 V.
- Up and down voltage translation capabilities.
- Current-drive capability of 8 mA to reduce line reflections, overshoot, and undershoot.
- Pb-free packages available in SC-70 (RGY) and TSSOP (PW).
- Latch-up performance exceeds 250 mA per JESD 17.
- Supports standard logic pinouts.
- Ioff support for partial-power-down mode operation.
- CMOS output compatible with AUP125, LVC125.
Applications
- Tablets
- Smartphones
- Personal Computers
- Industrial and Automotive systems
Q & A
- What is the operating voltage range of the SN74LV4T125PWR?
The SN74LV4T125PWR operates within a voltage range of 1.8 V to 5.5 V.
- What are the primary applications of the SN74LV4T125PWR?
The device is used in tablets, smartphones, personal computers, and industrial and automotive systems.
- Does the SN74LV4T125PWR support voltage translation?
- What is the maximum junction temperature for the SN74LV4T125PWR?
The maximum junction temperature is 150°C.
- What are the available package types for the SN74LV4T125PWR?
The device is available in SC-70 (RGY) and TSSOP (PW) packages.
- What is the ESD rating for the SN74LV4T125PWR according to the human-body model?
The ESD rating is ±2000 V.
- Does the SN74LV4T125PWR support partial-power-down mode operation?
- What is the current-drive capability of the SN74LV4T125PWR?
The device has a current-drive capability of 8 mA.
- What are the thermal resistance values for the SN74LV4T125PWR?
The junction-to-ambient thermal resistance (RθJA) is 126.9°C/W for the PW package and 52.9°C/W for the RGY package.
- How should the power supply be managed for the SN74LV4T125PWR?
Each VCC pin should have a good bypass capacitor to prevent power disturbance. A 0.1 µF capacitor is recommended, and it is acceptable to parallel multiple bypass caps.
