Intel

PR21555BB

PR21555BB Description

The PR21555BB by Intel is a high-performance, non-transparent PCI-to-PCI bridge designed for specialized backplane connectivity in demanding electronic systems. Operating within a 3V to 3.6V supply range, this surface-mount device supports JTAG and PCI interfaces, ensuring robust communication between PCI buses. With an ECCN classification of EAR99 and compliance with HTSUS 8542.39.0001, it is suitable for global deployment. The device is packaged in bulk and carries a Moisture Sensitivity Level (MSL) of 3 (168 hours), making it resilient in controlled environments. Its vendor-undefined REACH status and non-applicable RoHS status indicate specialized industrial use.

PR21555BB Features

• Non-Transparent Bridging: Enables isolated communication between PCI domains, ideal for fault-tolerant systems.
• Dual Interface Support: JTAG for debugging and PCI for high-speed data transfer.
• Wide Voltage Range: 3V–3.6V operation ensures compatibility with low-power systems.
• Surface-Mount Design: Facilitates compact PCB integration in space-constrained applications.
• Industrial Durability: MSL 3 rating ensures reliability in humid conditions.
• Bulk Packaging: Optimized for high-volume manufacturing.

PR21555BB Applications

• Embedded Systems: Used in industrial automation for secure PCI bus segmentation.
• Telecommunications: Enables redundant backplane configurations in network switches.
• Military/Aerospace: Suitable for ruggedized systems requiring non-transparent PCI isolation.
• Data Acquisition: Ideal for modular test equipment with multiple PCI domains.
• Medical Devices: Ensures reliable PCI communication in diagnostic imaging systems.

Conclusion of PR21555BB

The PR21555BB stands out as a robust PCI-to-PCI bridge for applications demanding isolation, reliability, and high-speed data transfer. Its non-transparent architecture, combined with Intel’s engineering excellence, makes it a preferred choice for mission-critical systems. Whether in industrial, telecom, or aerospace applications, this bridge delivers performance, durability, and flexibility, setting it apart from generic PCI bridges.