Overview
The SN74LVC125APWG4 is a quadruple bus buffer gate designed by Texas Instruments, part of the 74LVC series. This integrated circuit is tailored for low-voltage CMOS (Complementary Metal-Oxide-Semiconductor) operation, offering high-speed performance with reduced power consumption. The device operates from 1.65V to 3.6V, making it suitable for use in 3.3V systems and also compatible with 5V systems, allowing for voltage translation in mixed-voltage environments.
Each of the four independent buffers features 3-state outputs, which can be disabled when the associated output-enable (OE) input is high. This functionality is crucial for multiplexing and data routing applications where control over the signal path is necessary.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | 14-TSSOP (Thin Shrink Small Outline Package) | |
| Number of Buffers | 4 | |
| Bits per Element | 1 | |
| Output Type | 3-State | |
| Supply Voltage Range | 1.65V to 3.6V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Input Voltage Range | -0.5V to 5.5V | V |
| Maximum Propagation Delay (tpd) at 3.3V | 4.8ns | ns |
| Output Current (High/Low) | ±24mA | mA |
| Junction Temperature Range | -65°C to 150°C | °C |
Key Features
- 3-State Outputs: Each buffer has a 3-state output, allowing the output to be connected or isolated from the bus line effectively.
- Separate OE for All Buffers: Each buffer has an independent output-enable (OE) input, providing flexible control over the output states.
- Wide Operating Voltage Range: Operates from 1.65V to 3.6V, with inputs accepting voltages up to 5.5V.
- High-Speed Performance: Maximum propagation delay of 4.8ns at 3.3V, ensuring fast signal transmission.
- Low Power Consumption: Part of the LVC family, which stands for Low-Voltage CMOS, reducing power consumption while maintaining high-speed performance.
- High Drive Capability: Capable of driving heavier loads without signal degradation, making it suitable for complex systems.
- Latch-Up Performance: Exceeds 250mA per JESD 17, ensuring robust operation against latch-up conditions.
- Compact Footprint: Available in a TSSOP package, which is ideal for applications where board space is limited and thermal performance is critical.
Applications
The SN74LVC125APWG4 is versatile and can be used in a variety of applications, including:
- Multiplexing and Data Routing: The 3-state outputs allow for effective control over signal paths, making it ideal for multiplexing and data routing applications.
- Voltage Translation: Compatible with both 3.3V and 5V systems, it can be used as a translator in mixed-voltage system environments.
- Industrial Applications: With a wide operating temperature range (-40°C to 125°C), it is suitable for industrial environments where reliability under varying conditions is critical.
- High-Speed Digital Systems: Its high-speed performance and low power consumption make it a good choice for modern digital systems requiring fast and efficient signal transmission.
Q & A
- What is the operating voltage range of the SN74LVC125APWG4?
The SN74LVC125APWG4 operates from 1.65V to 3.6V.
- What type of outputs does the SN74LVC125APWG4 have?
The device features 3-state outputs.
- How many buffers does the SN74LVC125APWG4 have?
The device has four independent buffers.
- What is the maximum propagation delay at 3.3V?
The maximum propagation delay at 3.3V is 4.8ns.
- What is the operating temperature range of the SN74LVC125APWG4?
The operating temperature range is -40°C to 125°C.
- Can the SN74LVC125APWG4 be used in mixed-voltage systems?
Yes, it can be used in mixed 3.3V/5V system environments due to its voltage translation capability.
- What is the package type of the SN74LVC125APWG4?
The device comes in a 14-TSSOP (Thin Shrink Small Outline Package) package.
- What is the latch-up performance of the SN74LVC125APWG4?
The latch-up performance exceeds 250mA per JESD 17.
- How do the 3-state outputs work?
Each output can be disabled when the associated output-enable (OE) input is high, and enabled when the OE input is low.
- What are some typical applications of the SN74LVC125APWG4?
Typical applications include multiplexing, data routing, voltage translation, and industrial applications requiring high reliability.
