SN74LVC4245ADBRG4

The SN74LVC4245ADBRG4 is a high-speed, low-voltage, bidirectional level shifter and buffer from Texas Instruments. It is designed to facilitate communication between devices operating at different voltage levels, making it particularly useful in mixed-voltage systems. Here’s a detailed description of its features and specifications:

General Features:

• Type: Bidirectional Level Shifter
• Family: LVC (Low-Voltage CMOS)
• Package: TSSOP (Thin Shrink Small Outline Package)
• Pin Count: 20 pins
• Operating Voltage Range: Typically operates from 1.65V to 5.5V, making it suitable for a wide range of applications.

Electrical Characteristics:

• Input Voltage Levels: The device can accept input signals from different voltage levels, allowing for seamless communication between devices that operate at different logic levels.
• Output Voltage Levels: The output levels are compatible with the input levels, ensuring that the signals are correctly translated between the two voltage domains.
• Propagation Delay: The device features low propagation delays, typically in the range of a few nanoseconds, which is essential for high-speed applications.
• Drive Capability: It can drive capacitive loads, making it suitable for interfacing with various types of digital circuits.

Functional Characteristics:

• Bidirectional Operation: The SN74LVC4245A can shift signals in both directions, allowing for flexible communication between devices.
• Active High/Low Logic: The device supports both active high and active low logic levels, providing versatility in design.
• Enable Functionality: It includes an enable pin that allows the user to control the operation of the level shifter, providing additional control in circuit designs.

Applications:

• Mixed-Voltage Systems: Ideal for interfacing between 1.8V and 5V logic devices, commonly found in modern electronics.
• Microcontroller Interfacing: Useful for connecting microcontrollers with different operating voltages.
• Data Communication: Suitable for applications requiring reliable data transmission across different voltage levels.

Thermal and Mechanical Characteristics:

• Operating Temperature Range: Typically from -40°C to +125°C, making it suitable for industrial and automotive applications.
• Package Dimensions: The TSSOP package is compact, allowing for space-efficient designs in printed circuit boards (PCBs).

Additional Information:

• RoHS Compliant: The SN74LVC4245ADBRG4 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.
• Availability: The part is widely available through various electronic component distributors, making it accessible for prototyping and production.

In summary, the SN74LVC4245ADBRG4 from Texas Instruments is a versatile and efficient solution for level shifting in mixed-voltage applications, characterized by its bidirectional capability, low propagation delay, and wide operating voltage range.