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N74ALS245AD from PHILIPS

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N74ALS245AD

Manufacturer: PHILIPS, PHI, TI

Octal transceiver (3-State)

Partnumber Manufacturer Quantity Availability
N74ALS245AD PHILIPS, PHI, TI 1612 In Stock

Description and Introduction

Octal transceiver (3-State) The **N74ALS245AD** is a high-performance, octal bus transceiver designed for bidirectional communication between data buses. As part of the **Advanced Low-Power Schottky (ALS)** family, this integrated circuit combines speed and efficiency, making it suitable for applications requiring reliable data transfer in digital systems.  

Featuring **eight bidirectional channels**, the N74ALS245AD allows data to flow in either direction, controlled by a **direction (DIR) pin**. An **output enable (OE) pin** ensures the outputs can be tri-stated, enabling multiple devices to share a common bus without interference. With a **wide operating voltage range** and **low power consumption**, it is ideal for use in microprocessor interfaces, memory systems, and peripheral drivers.  

The device adheres to **industry-standard TTL logic levels**, ensuring compatibility with a broad range of digital circuits. Its **robust design** includes built-in protection against bus contention, enhancing system reliability. The N74ALS245AD is available in a **20-pin DIP or SOIC package**, providing flexibility for various PCB layouts.  

Engineers favor this component for its **fast propagation delay** and **high noise immunity**, making it a dependable choice for high-speed data transmission in industrial, automotive, and computing applications. Its balance of performance and power efficiency ensures long-term stability in demanding environments.

Application Scenarios & Design Considerations

Octal transceiver (3-State)

Alternative Part Number

  • SN74ALS245AN --: Same 74ALS octal bus transceiver function with identical pinout and logic family, widely available and a direct functional drop-in replacement.
  • DM74ALS245AN --: Equivalent 74ALS octal bus transceiver in DIP package with matching electrical characteristics and pin configuration.
  • MC74ALS245AN --: Alternate 74ALS octal bus transceiver offering the same function and pinout, suitable as a second-source replacement.
  • SN74LS245N --: LS-family octal bus transceiver with the same pinout and function; slightly different speed/power but commonly used as a drop-in substitute.
  • MC74ACT245N --: ACT-family octal bus transceiver with compatible pinout and TTL-level inputs; suitable alternative when ALS parts are unavailable.

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