Overview
The SN74LVC125APWTE4, produced by Texas Instruments, is a quadruple bus buffer gate with 3-state outputs. This device features independent line drivers, each with its own output-enable (OE) input. When the OE input is high, the corresponding output is disabled and enters a high-impedance state. When OE is low, the gate passes the data from the A input to its Y output. This component is designed to operate over a wide voltage range, making it versatile for various applications.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC Supply Voltage Range | 1.65 | 3.6 | V |
| Operating Temperature Range | -40 | 125 | °C |
| Input Voltage Range | -0.5 | 6.5 | V |
| Output Voltage Range | -0.5 | VCC + 0.5 | V |
| Continuous Output Current | -50 | 50 | mA |
| Continuous Current through VCC or GND | -100 | 100 | mA |
| Power Dissipation | 500 | mW | |
| Storage Temperature Range | -65 | 150 | °C |
Key Features
- Operates from 1.65 V to 3.6 V supply voltage range.
- Separate OE (output-enable) input for each of the four buffers.
- 3-state outputs that can be disabled when the OE input is high.
- Inputs accept voltages up to 5.5 V, allowing for use in mixed 3.3-V/5-V system environments.
- Specified from -40°C to 85°C and -40°C to 125°C operating temperature range.
- ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
Applications
The SN74LVC125APWTE4 is suitable for a variety of applications, including:
- Mixed 3.3-V/5-V system environments where voltage translation is necessary.
- Bus buffering and signal isolation in digital systems.
- High-reliability automotive, defense, aerospace, and medical applications (with appropriate qualified versions).
- General-purpose logic circuits requiring 3-state outputs.
Q & A
- What is the operating voltage range of the SN74LVC125APWTE4? The SN74LVC125APWTE4 operates from 1.65 V to 3.6 V.
- What is the purpose of the OE input in the SN74LVC125APWTE4? The OE (output-enable) input controls the state of the output. When OE is high, the output is disabled and enters a high-impedance state. When OE is low, the output passes the data from the A input to its Y output.
- What is the maximum continuous output current for the SN74LVC125APWTE4? The maximum continuous output current is ±50 mA.
- Can the SN74LVC125APWTE4 handle inputs from 5-V devices? Yes, the inputs can accept voltages up to 5.5 V.
- What are the operating temperature ranges for the SN74LVC125APWTE4? The device is specified to operate from -40°C to 85°C and -40°C to 125°C.
- Does the SN74LVC125APWTE4 have ESD protection? Yes, it exceeds JESD 22 standards for ESD protection.
- How many buffers does the SN74LVC125APWTE4 have? The SN74LVC125APWTE4 has four independent buffers.
- What is the storage temperature range for the SN74LVC125APWTE4? The storage temperature range is from -65°C to 150°C.
- Can the SN74LVC125APWTE4 be used in automotive applications? Yes, there is an automotive-qualified version (SN74LVC125A-Q1) available.
- What package types are available for the SN74LVC125APWTE4? It is available in TSSOP and other package types such as SSOP and SOIC.
