PEB 3086 H V1.4

Telecom Overview

The Infineon PEB 3086 H V1.4 is an ISDN Subscriber Access Controller (ISAC-SX) designed for wired communications. It integrates Layer 1 transceiver functions and Layer 2 protocol handling for the S/T interface, supporting TE, LT-T, LT-S, and NT modes. The device features a comprehensive IOM-2 interface with a dedicated handler for controller data access, serial data strobes, and monitor channels. It includes microcontroller interfaces such as SCI and parallel connections, internal clock generation via DPLL, and auxiliary FIFO-based data transfer capabilities.

Telecom Feature Summary

• Integrated ISDN Layer 1 transceiver with support for multiple operational modes including Terminal Equipment and Local Terminal Transceiver.
• Dedicated IOM-2 handler facilitating efficient controller data access and synchronous data transfer with interrupt logic.
• Internal phase-locked loop for clock generation and jitter management within the communication system.
• Auxiliary interface equipped with transmit and receive FIFOs for flexible message transfer and HDLC controller interrupts.

Telecom Applications

• ISDN subscriber premises equipment
• Network termination units for ISDN lines
• Wired communications controllers

Telecom Procurement Notes

Verify component authenticity by cross-referencing the marking code against the official datasheet revision DS1 dated January 30, 2003. Confirm that the specific hardware version matches V1.4 requirements for your design. Ensure compatibility with the required microcontroller interface protocols before integration into the final assembly.

Telecom Selection Notes

Select this component when designing systems requiring integrated ISDN S/T interface control and Layer 2 processing. Evaluate the available microcontroller interfaces to ensure proper signal timing alignment. Consider the power supply specifications and external transformer requirements detailed in the electrical characteristics section for optimal performance.

Telecom Part Context

This component belongs to the ISAC-SX family of ISDN Subscriber Access Controllers. It serves as a specialized solution for managing ISDN connectivity at the subscriber end, combining physical layer signaling with data link layer protocol execution in a single integrated circuit package.

Telecom Replacement Considerations

Consult the datasheet comparison chapter regarding the ISAC-S/ISAC-SX variants to determine functional equivalence. Verify pinout compatibility and register mapping differences if substituting with other versions within the ISAC product line.

Telecom FAQ

What operational modes does the ISAC-SX support?

The device supports Terminal Equipment (TE), Local Terminal Transceiver (LT-T), Local Terminal Station (LT-S), and Network Termination (NT) modes.

How is data accessed between the controller and the ISAC-SX?

Data access is managed through the IOM-2 interface using the Controller Data Access (CDA) mechanism, which allows direct or indirect register addressing.

Does the component include internal clock generation?

Yes, it includes a Receive PLL (DPLL) for clock synchronization and provides a buffered oscillator clock output.