The PEB20534H-10V1.1 is an ISDN Subscriber Access Controller (ISAC-S) from Siemens (now Infineon Technologies). It provides the interface between an ISDN network and a subscriber's terminal equipment. This chip integrates the functions needed for basic rate access (BRA) ISDN communication.

Applications:

• ISDN terminal adapters
• ISDN modems
• ISDN network interfaces
• Voice and data communication systems
• Telecommunications equipment

Features:

• ISDN Basic Rate Access (BRA) controller
• Integrated HDLC controller
• Supports various signaling protocols (e.g., DSS1, Euro-ISDN)
• On-chip line interface
• Microcontroller interface for control and configuration
• Low power consumption

Benefits:

• Complete ISDN Interface: Provides all the necessary functions for connecting to an ISDN network.
• Integrated HDLC Controller: Simplifies data communication and protocol handling.
• Flexible Signaling Support: Compatible with different ISDN signaling protocols.
• Simplified System Design: Reduces the number of external components required.
• Low Power Consumption: Suitable for energy-efficient ISDN devices.

Additional Details:

The PEB20534H-10V1.1 typically operates from a 5V power supply. It is packaged in a PQFP package. The device is configured through a microcontroller interface, allowing for flexible control of the ISDN connection. It supports both voice and data communication over the ISDN network.