SN74HC245PWR

The SN74HC245PWR is a high-speed CMOS octal bus transceiver designed for bidirectional data communication between two buses. It is part of Texas Instruments' 74HC family, which is known for its high-speed performance and low power consumption. Here’s a detailed description of its features and specifications:

General Features:

• Type: Octal Bus Transceiver
• Functionality: It can transmit and receive data between two buses, making it suitable for applications that require data transfer in both directions.
• Data Rate: The device supports high-speed operation, typically up to 25 MHz, making it suitable for fast data communication applications.

Pin Configuration:

• The SN74HC245PWR is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) form factor, which is compact and suitable for surface mounting.
• The pins are arranged in two rows, with specific pins designated for data input/output, control signals, and power supply.

Electrical Characteristics:

• Supply Voltage (Vcc): The device operates within a supply voltage range of 2V to 6V, allowing for compatibility with various logic levels.
• Input/Output Voltage Levels: The logic levels are compatible with standard TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) levels.
• Output Drive Capability: The outputs can drive up to 15 mA, making it capable of interfacing with other logic devices and driving loads directly.

Control Signals:

• The device features control pins such as DIR (Direction Control) and OE (Output Enable). The DIR pin determines the direction of data flow (A to B or B to A), while the OE pin enables or disables the outputs, allowing for tri-state operation.

Applications:

• The SN74HC245PWR is widely used in various applications, including:
  • Data bus buffering and isolation
  • Communication between microcontrollers and peripheral devices
  • Level shifting between different voltage domains
  • General-purpose data transmission in digital circuits

Package Information:

• Package Type: TSSOP-20
• Dimensions: The TSSOP package is designed to save space on PCBs, with a low profile and small footprint.

Thermal Characteristics:

• The device has a specified operating temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Summary:

The SN74HC245PWR from Texas Instruments is a versatile and efficient octal bus transceiver that provides reliable data communication capabilities in a compact package. Its high-speed performance, low power consumption, and compatibility with various logic levels make it an ideal choice for a wide range of electronic applications.