SN74ABTE16245DGGR Integrated Circuits (ICs)

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Specialty Logic – SN74ABTE16245DGGR Application & Working Principle

Specialty logic refers to the class of digital logic chips that are specifically designed for a particular application. These chips are designed to provide a combination of higher performance and cost savings compared to standard digital logic family members. SN74ABTE16245DGGR is an example of such a specialty logic device that can be used for a wide range of applications.

Overview of SN74ABTE16245DGGR

The SN74ABTE16245DGGR is a single-chip parallel I/O transceiver, which is designed to operate with no added latches or flow control. It is suitable for applications where very fast data rates are required, such as parallel Ethernet or high speed point-to-point communication. The chip features 16 intelligent bidirectional ports and a variety of flow control features such as automatic address conversion, age related priority, and parity generation/checking.

Design & Features

The main feature of the SN74ABTE16245DGGR is its reduced pin count compared to multiple chips solutions in the same applications, due to its simple and compact design. The chip features on-chip packet control logic which enables packet data transfer between ports. It also features an interrupt generation mechanism to alert the processor when a packet is visible. Other key features of the chip include:

• 16 individually programmable bi-directional ports
• Fully compatible with 5V CMOS logic family
• Low Slew Rate Option
• High Power Dissipation
• Programmable output impedance
• Programmable pre-amble signal initialization
• Programmable send and receive packet sizes

Application of SN74ABTE16245DGGR

The SN74ABTE16245DGGR is designed for applications like remote node networks, high-speed local area networks, storage peripherals, telecommunications systems, and more. The chip provides fast data transfer rates, hot-swappable port connections, and optimized control and flow features. It is also suitable for some industrial automation and real-time interconnections.

Working Principle

The SN74ABTE16245DGGR uses a system of parallel ports, each of which can be individually programmed for input, output or pass-through operation. The chip’s logic functions include parity, data validation, multiplexing, and address conversion. In addition, each port can be programmed to respond to a particular predefined packet size. When a packet of the specified size is detected by the chip, the packet is routed to the appropriate port.

The chip also has a link status signal that can be used for monitoring the activity of each port. The link status signal will show whether a port is idle, transmitting, or receiving data. Finally, the SN74ABTE16245DGGR includes a set of programmable output pins that can be used for peripheral connections or for debugging the data transfer process.

Conclusion

The SN74ABTE16245DGGR is an example of a specialty logic chip that can be used for a wide range of applications. The chip is designed to provide a combination of high performance and cost savings compared to standard digital logic family members. Its features allow it to be used for applications like remote node networks, high speed LANs, storage peripherals, and telecommunications systems.

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