Overview
The SN74LVTH125IPWREP is a quadruple bus buffer with 3-state outputs, designed and manufactured by Texas Instruments. This component is optimized for low-voltage (3.3-V) VCC operation but also supports mixed-mode signal operation, allowing it to interface with 5-V system environments. The device features independent line drivers, each with a 3-state output that can be placed in a high-impedance state when the associated output-enable (OE) input is high. This makes it suitable for a variety of applications requiring flexible and reliable signal buffering.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Operating Voltage | 2.7 | - | 3.6 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Output Current (Low State) | - | - | 64 | mA |
| Output Current (High State) | - | - | 64 | mA |
| Input Transition Rise/Fall Rate | - | 10 | - | ns/V |
| Power-Up Ramp Rate | - | 200 | - | µs/V |
| ESD Protection (Human-Body Model) | - | - | 2000 | V |
| ESD Protection (Machine Model) | - | - | 200 | V |
| Package Type | - | - | TSSOP-14 | - |
Key Features
- Mixed-Mode Signal Operation: Supports 5-V input and output voltages with a 3.3-V VCC, enabling compatibility with different system environments.
- Unregulated Battery Operation: Can operate down to 2.7 V, making it suitable for battery-powered devices.
- 3-State Outputs: Each output can be placed in a high-impedance state when the associated output-enable (OE) input is high.
- Bus Hold on Data Inputs: Eliminates the need for external pullup or pulldown resistors, ensuring valid logic states on unused or undriven inputs.
- Ioff and Power-Up 3-State Support: Enables hot-insertion applications by preventing damaging current backflow and ensuring outputs are in a high-impedance state during power-up and power-down.
- Latch-Up Performance: Exceeds 500 mA per JESD 17, enhancing reliability.
- ESD Protection: Exceeds JESD 22 standards with 2000-V Human-Body Model and 200-V Machine Model protection.
Applications
- Embedded Systems: Suitable for use in various embedded systems requiring reliable signal buffering and 3-state output control.
- Industrial Automation: Can be used in industrial automation systems where mixed-mode signal operation and robust ESD protection are necessary.
- Consumer Electronics: Applicable in consumer electronics that require low-voltage operation and flexible signal handling.
- Automotive Systems: Useful in automotive systems where unregulated battery operation and high reliability are critical.
Q & A
- What is the operating voltage range of the SN74LVTH125IPWREP?
The operating voltage range is from 2.7 V to 3.6 V.
- What is the maximum output current in the low state?
The maximum output current in the low state is 64 mA.
- Does the SN74LVTH125IPWREP support hot-insertion applications?
Yes, it supports hot-insertion applications with Ioff and power-up 3-state features.
- What type of ESD protection does the SN74LVTH125IPWREP offer?
It offers ESD protection exceeding JESD 22 standards with 2000-V Human-Body Model and 200-V Machine Model protection.
- What is the package type of the SN74LVTH125IPWREP?
The package type is TSSOP-14.
- Can the SN74LVTH125IPWREP operate with unregulated battery power?
Yes, it can operate down to 2.7 V, making it suitable for unregulated battery power.
- What is the purpose of the bus hold feature on the SN74LVTH125IPWREP?
The bus hold feature eliminates the need for external pullup or pulldown resistors by holding unused or undriven inputs at a valid logic state.
- Is the SN74LVTH125IPWREP suitable for mixed-mode signal operation?
Yes, it supports mixed-mode signal operation with 5-V input and output voltages and a 3.3-V VCC.
- What is the latch-up performance of the SN74LVTH125IPWREP?
The latch-up performance exceeds 500 mA per JESD 17.
- What is the typical output ground bounce (VOLP) of the SN74LVTH125IPWREP?
The typical output ground bounce (VOLP) is less than 0.8 V at VCC = 3.3 V and TA = 25°C.
