Overview
The SN74ABT125DRE4, produced by Texas Instruments, is a quadruple bus buffer gate with 3-state outputs. This component is designed to provide independent line drivers, each with its own output-enable (OE) input. When the OE input is high, the associated output is disabled, placing it in a high-impedance state. This feature is particularly useful in hot-insertion applications, where the device must be inserted or removed without causing system disruptions. The SN74ABT125DRE4 is fully specified for hot-insertion applications using Ioff and power-up 3-state circuitry, ensuring safe and reliable operation during power cycles.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D) with 14 pins |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Output Current (IOH) | 32 mA |
| Output Current (IOL) | 64 mA |
| ESD Protection | 2000-V Human-Body Model, 200-V Machine Model |
| Latch-Up Performance | Exceeds 500 mA per JEDEC Standard JESD-17 |
Key Features
- Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C
- High-Drive Outputs (32-mA IOH, 64-mA IOL)
- Ioff and Power-Up 3-State Support for Hot Insertion
- ESD Protection Exceeds JESD 22 (2000-V Human-Body Model, 200-V Machine Model)
- Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
Applications
The SN74ABT125DRE4 is suitable for a variety of applications where reliable and efficient signal buffering is required. These include:
- Hot-insertion applications in computing and networking systems
- High-speed data transmission systems requiring low output ground bounce
- Systems needing high-drive output capabilities
- Applications requiring robust ESD protection and latch-up performance
Q & A
- What is the package type of the SN74ABT125DRE4?
The SN74ABT125DRE4 comes in a SOIC (D) package with 14 pins. - What is the operating temperature range of the SN74ABT125DRE4?
The operating temperature range is -40°C to 85°C. - What is the supply voltage range for the SN74ABT125DRE4?
The supply voltage range is 4.5 V to 5.5 V. - What are the output current capabilities of the SN74ABT125DRE4?
The output current capabilities are 32 mA for IOH and 64 mA for IOL. - Does the SN74ABT125DRE4 support hot insertion?
Yes, it supports hot insertion with Ioff and power-up 3-state circuitry. - What level of ESD protection does the SN74ABT125DRE4 offer?
The SN74ABT125DRE4 offers ESD protection exceeding 2000-V Human-Body Model and 200-V Machine Model. - What is the latch-up performance of the SN74ABT125DRE4?
The latch-up performance exceeds 500 mA per JEDEC Standard JESD-17. - How do I ensure the high-impedance state during power up or power down?
To ensure the high-impedance state, the OE input should be tied to VCC through a pullup resistor. - What are some common applications for the SN74ABT125DRE4?
Common applications include hot-insertion in computing and networking systems, high-speed data transmission, and systems requiring high-drive output capabilities and robust ESD protection. - Where can I find detailed specifications and datasheets for the SN74ABT125DRE4?
Detailed specifications and datasheets can be found on the Texas Instruments website and other authorized distributors like Mouser and Digi-Key.
