Switchtec PFX/PFX-I PCIe Gen3 Fanout Switch Families PM853x PFX and PM857x PFX-I 96/80/64/48/32/24xG3 PCIe Gen3 Fanout Switches The Switchtec PFX/PFX-I PCIe Gen3 fanout switch families comprise high- reliability PCIe Base Specification 3.1-compliant switches supporting up to 96 lanes, 24 virtual switch partitions, 48 Non-Transparent Bridges (NTBs), hot- and surprise-plug controllers for each port, advanced error containment, and comprehensive diagnostics and debug capabilities. The PFX-I Gen3 PCIe Switch supports the full feature set available on the PFX* and operates over an extended industrial temperature range of 40 C ambient to 105 C junction. Typical applications include data center equipment, defense, industrial servers, workstations, test equipment, video production and broadcasting equipment, cellular infrastructure, access networks, metro networks, and core networking. Features High-Performance Non-Blocking Switches Up to 174 GB/s switching capacity 96-lane, 80-lane, 64-lane, 48-lane, 32-lane, and 24-lane variants Ports bifurcate from x2 to x16 lanes Up to 48 NTBs assignable to any port Logical Non-Transparent (NT) interconnect allows for larger topologies (up to 256 masters) Supports 1+1 and N+1 failover mechanisms NT address translation using direct windows and multiple sub-windows per BAR Supports multicast groups per port Highlights PFX-I supports an extended industrial temperature range T : 40 C to T : A J High-reliability PCIe: robust error containment, 105 C hot- and surprise-plug controllers per port, end- Error Containment to-end data integrity protection, ECC protection on RAMs, high-quality, low-power SERDES Advanced Error Reporting (AER) on all ports Comprehensive diagnostics and debugging: Downstream Port Containment (DPC) on all downstream ports PCIe generator and analyzer, per-port Poisoned TLP blocking performance and error counters, multiple Completion Timeout Synthesis (CTS) to prevent an error state in an loopback modes, and real-time eye capture upstream host due to incomplete non-posted transactions Significant power, cost, and board space Hot- and surprise-plug controllers per port savings with support for: GPIOs configurable for different cable/connector standards Up to 48 ports, 48 NTBs, and 24 virtual switch partitions PCIe Interfaces Flexible x2, x4, x8 and x16 port bifurcation Passive, managed, and optical cables with no restrictions on configuring ports SFF-8644, SFF-8643, SFF-8639, OCuLink, and other connectors as either upstream or downstream, or on SHPC-enabled slot and edge connectors mapping ports to NTBs Diagnostics and Debug Transaction Layer Packet (TLP) generator for testing and debugging of links and error handling Real-time eye capture Any-to-any port mirroring for debug purposes External loopback at PHY and TLP layers Errors, statistics, performance, and TLP latency counters *Except for Adaptive Voltage Scaling (AVS).Switchtec PFX/PFX-I PCIe Gen3 Fanout Switch Families PM853x PFX and PM857x PFX-I 96/80/64/48/32/24xG3 PCIe Gen3 Fanout Switches Peripheral I/O Interfaces Evaluation Kit Up to 11 Two-Wire Interfaces (TWIs) with SMBus support The evaluation kit is a device evaluation environment supporting multiple host and SSD interfaces. These kits can be used for Up to 2 SFF-8485-compliant SGPIO ports evaluation of the Switchtec PCIe Fanout switches. Note that Up to 109 parallel GPIO pins a 96-lane PCIe switch is populated on the evaluation kit.The Up to 4 UARTs following kit is available: JTAG and EJTAG interface PM5461-KITPFX/PFX-L/PSX/PAX 96/80/64xG3, 1-Slot, 16 HD Evaluation Kit (PMC-2151996) High-speed I/O Example Application PCIe Gen3 8 GT/s Supports PCIe-compliant link training and manual PHY configuration Host Host Power Management x16 Active State Power Management (ASPM) x16 Software controlled power management NVMe SSD Chiplink Diagnostic Tools NVMe Extensive debug, diagnostics, configuration, and analysis SSD tools with an intuitive GUI Access to configuration data, management capabilities, and NVMe signal integrity analysis tools (such as real-time eye capture) x2/x4 SSD x2/x4 Connects to device over in-band PCIe or sideband signals (UART, TWI, and EJTAG) Ordering Information Ports/ Hot-plug Product Lanes Partitions Package PFX Ordering No. PFX-I Ordering No. NTBs Controllers 96xG3 PCIe Fanout Switch 96 48 24 48 37.5 mm x 37.5 mm PM8536B-FEI PM8576B-FEI 80xG3 PCIe Fanout Switch 80 40 20 40 37.5 mm x 37.5 mm PM8535B-FEI PM8575B-FEI 64xG3 PCIe Fanout Switch 64 32 16 32 37.5 mm x 37.5 mm PM8534B-FEI PM8574B-FEI 48xG3 PCIe Fanout Switch 48 24 12 24 27.0 mm x 27.0 mm PM8533B-F3EI PM8573B-F3EI 32xG3 PCIe Fanout Switch 32 16 8 16 27.0 mm x 27.0 mm PM8532B-F3EI PM8572B-F3EI 24xG3 PCIe Fanout Switch 24 12 6 12 27.0 mm x 27.0 mm PM8531B-F3EI PM8571B-F3EI Note: PFX T : 0 C to 105 C. PFX-I T : 40 C to T : 105 C. PFX-I doesn t support Adaptive Voltage Scaling (AVS). Junction Ambient Junction Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs power management products timing and synchronization devices and precise time solutions, setting the worlds standard for time voice processing devices RF solutions discrete components enterprise storage and communication solutions, security technologies and scalable anti-tamper products Microsemi Corporate Headquarters Ethernet solutions Power-over-Ethernet ICs and midspans as well as custom design capabilities and services. Microsemi is One Enterprise, Aliso Viejo, CA 92656 USA headquartered in Aliso Viejo, California and has approximately 4,800 employees globally. 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