Overview
The SN74LVC125ADBRG4 is a quadruple bus buffer gate with 3-state outputs, designed and manufactured by Texas Instruments. This device is optimized for operation within a wide voltage range of 1.65V to 3.6V, making it versatile for various system environments. Each buffer features an independent output-enable (OE) input, allowing for precise control over the output states. The SN74LVC125ADBRG4 is suitable for applications requiring data translation between different voltage levels, such as in mixed 3.3V/5V system environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 1.65 | 3.6 | V | |
| VI Input Voltage | -0.5 | 6.5 | V | |
| VO Output Voltage | -0.5 | VCC + 0.5 | V | |
| IOH High-Level Output Current | -4 | -24 | mA | |
| IOL Low-Level Output Current | 4 | 24 | mA | |
| TJ Junction Temperature | -65 | 150 | °C | |
| Tstg Storage Temperature | -65 | 150 | °C | |
| TA Operating Free-Air Temperature | -40 | 125 | °C | |
| tpd Propagation Delay (A to Y) | 1 | 13.8 | ns |
Key Features
- 3-State outputs with separate OE for all 4 buffers
- Operates from 1.65V to 3.6V supply voltage
- Specified from –40°C to 85°C and –40°C to 125°C operating temperature range
- Inputs accept voltages up to 5.5V, allowing for down voltage translation
- Independent line drivers with high-impedance state during power up or power down
- Compatible with mixed 3.3V/5V system environments
Applications
- Power monitoring units (PMU)
- Wireless battery monitoring
- Remote electrical tilt units (RET)
- Remote radio units (RRU)
- Tower mounted amplifiers (TMA)
- Vector signal analyzers and generators
- Video conferencing: IP-based HD
- WiMAX and wireless infrastructure equipment
- Wireless communications testers
- xDSL modems and DSLAM
Q & A
- What is the operating voltage range of the SN74LVC125ADBRG4? The SN74LVC125ADBRG4 operates from 1.65V to 3.6V.
- What is the purpose of the OE input in the SN74LVC125ADBRG4? The OE (output-enable) input controls the state of the output. When OE is high, the output is disabled; when OE is low, the output is enabled.
- Can the SN74LVC125ADBRG4 handle inputs from 5V devices? Yes, the SN74LVC125ADBRG4 can accept input voltages up to 5.5V.
- What is the maximum propagation delay for the SN74LVC125ADBRG4? The maximum propagation delay (A to Y) is approximately 13.8 ns.
- What are the storage and junction temperature ranges for the SN74LVC125ADBRG4? The storage temperature range is –65°C to 150°C, and the junction temperature range is –65°C to 150°C.
- What types of applications is the SN74LVC125ADBRG4 suitable for? It is suitable for various applications including power monitoring units, wireless battery monitoring, remote electrical tilt units, and more.
- How many buffers does the SN74LVC125ADBRG4 have? The SN74LVC125ADBRG4 has four independent buffers.
- What is the maximum continuous output current for the SN74LVC125ADBRG4? The maximum continuous output current is ±50 mA.
- What is the maximum power dissipation for the SN74LVC125ADBRG4? The maximum power dissipation is 500 mW.
- What package options are available for the SN74LVC125ADBRG4? The device is available in several package options including WQFN, SOIC, SSOP, SOP, TSSOP, and VQFN.
