SN74LVC125ADRE4

The SN74LVC125ADRE4 is a quad buffer/driver with 3-state outputs, designed by Texas Instruments. It is part of the LVC family of logic devices, which are known for their low-voltage and high-speed performance. Here’s a detailed description of its features and specifications:

General Description:

• Functionality: The SN74LVC125A is a quad buffer/driver that provides four independent buffer/driver circuits. Each buffer has a 3-state output, allowing for high-impedance states, which is useful in bus-oriented applications.
• Logic Levels: It operates with a supply voltage range of 1.65V to 5.5V, making it compatible with various logic levels, including TTL and CMOS.
• Input/Output Compatibility: The device is designed to accept standard TTL input levels and can drive standard TTL outputs, making it versatile for interfacing with different logic families.

Key Features:

• Quad Configuration: Contains four independent buffers, allowing for multiple signal processing paths within a single package.
• 3-State Outputs: Each output can be in one of three states: high, low, or high-impedance (floating), which is essential for bus systems where multiple devices share the same lines.
• Low Power Consumption: The device is designed for low power operation, making it suitable for battery-powered applications.
• High-Speed Operation: Capable of operating at high speeds, with propagation delays typically in the nanosecond range, ensuring fast signal transmission.
• Wide Operating Temperature Range: The device can function effectively in a temperature range from -40°C to +125°C, making it suitable for industrial and automotive applications.

Pin Configuration:

• The SN74LVC125ADRE4 is available in various package types, including TSSOP (Thin Shrink Small Outline Package) and SOIC (Small Outline Integrated Circuit). The pin configuration typically includes:
  • Inputs: Each buffer has a corresponding input pin.
  • Outputs: Each buffer has an output pin that can be driven high, low, or set to high-impedance.
  • Enable Pins: Each buffer has an enable pin that controls the output state, allowing for selective activation of the buffers.

Electrical Characteristics:

• Supply Voltage (Vcc): 1.65V to 5.5V
• Input Voltage Levels: Recognizes input voltages as low as 0.3V (low) and as high as 0.7V (high) relative to Vcc.
• Output Drive Capability: Can drive loads with a specified output current, typically up to 24mA at Vcc = 5V.
• Propagation Delay: Fast switching times, typically around 3.5ns at Vcc = 5V.

Applications:

• Bus Drivers: Ideal for driving data buses in microcontroller and FPGA applications.
• Signal Isolation: Can be used to isolate different parts of a circuit to prevent interference.
• Level Shifting: Useful for interfacing between different voltage levels in mixed-signal environments.
• Data Communication: Suitable for applications requiring reliable data transmission with minimal delay.

Packaging:

• The SN74LVC125ADRE4 is often available in a 14-pin TSSOP or SOIC package, which is compact and suitable for surface-mount technology (SMT) applications.

In summary, the SN74LVC125ADRE4 from Texas Instruments is a versatile and efficient quad buffer/driver that is well-suited for a variety of digital logic applications, offering low power consumption, high-speed performance, and compatibility with multiple logic levels.