The 74F657N is a high-performance, octal bidirectional transceiver/register designed by NXP Semiconductors. This integrated circuit is part of the 74F series, known for its fast switching speeds and robust performance. The 74F657N is specifically engineered to facilitate the transfer of data between two buses of eight lines each, and it features a built-in storage capability with its register function.

Key Features

• Octal Bidirectional Data Flow: The 74F657N allows for eight lines of bidirectional data flow, making it ideal for interfacing between buses.
• Edge-Triggered D-Type Flip-Flops: Incorporated within the device are edge-triggered D-type flip-flops that enhance its data storage capabilities.
• Non-Inverting 3-State Outputs: The outputs are non-inverting and have a 3-state feature, which enables the device to interface with bus lines in a system without loading the bus when not active.
• Multiple Control Functions: Control functions include output-enable (OE) and data-direction (DIR) inputs, allowing for flexible control of data transmission and reception.

Applications

The 74F657N is suitable for a wide range of applications including:

• Bus Interface in Microprocessor/Microcontroller Systems
• Data Communication and Telecommunication Systems
• Memory Buffering and Storage
• Peripheral Device Interfacing

Technical Specifications

The device comes in a 24-pin plastic dip package and operates with a typical supply voltage of 5V. It features fast switching times, with propagation delay times typically less than 5.5ns. The 74F657N is characterized for operation from 0°C to 70°C, making it suitable for commercial temperature range applications.

Quality and Reliability

NXP Semiconductors is committed to delivering high-quality and reliable products. The 74F657N is manufactured under strict quality control standards and is designed to meet the rigorous demands of the electronics industry. With its robust design and NXP's reputation for reliability, the 74F657N is an excellent choice for designers looking for a dependable octal transceiver/register.