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Microchip Technology VSC8584XKS-10
- Part No.:
- VSC8584XKS-10
- Manufacturer:
- Microchip Technology
- Category:
- Telecom
- Package:
- 256-BGA
- Datasheet:
-
VSC8584XKS-10.pdf
- Description:
- IC TELECOM INTERFACE 256BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,351
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Product details
Overview
VSC8584XKS-10 from Microsemi (now Microchip) is a quad-port 10/100/1000BASE-T Ethernet PHY IC with integrated IEEE 1588v2 precision timing, MACsec encryption, and VeriTime™ time-stamping. It supports QSGMII/SGMII MAC interfaces, Synchronous Ethernet, and operates across copper (Cat5) and fiber (1000BASE-X/100BASE-FX) media. Used in carrier-grade Ethernet switches and time-sensitive networking equipment requiring sub-100 ns timestamp accuracy.
For engineers reviewing the VSC8584XKS-10 datasheet, VSC8584XKS-10 pinout, VSC8584XKS-10 application, or VSC8584XKS-10 equivalent, key selection criteria include IEEE 1588v2 one-step transparent clock support, hardware-accelerated MACsec AES-128, QSGMII SerDes bandwidth aggregation, and ActiPHY low-power link-state management for telecom infrastructure.
Technical Context
The VSC8584XKS-10 implements a full IEEE 1588v2 time-stamping pipeline with dedicated Time Stamp Processor, Serial Time Stamp Output Interface, and Pulse Per Second (PPS) output. Its MACsec block performs line-rate encryption/decryption with programmable SA tables and debug fault injection via FCS field.
It features dual SerDes paths: QSGMII/SGMII-to-1000BASE-X and QSGMII/SGMII-to-100BASE-FX, plus protocol conversion between QSGMII and SGMII. Media interface includes voltage-mode line drivers, automatic MDI/MDIX, Energy Efficient Ethernet (EEE), and Ring Resiliency for metro Ethernet protection switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Port Count | Quad 10/100/1000BASE-T ports - enables single-chip 4× Gigabit Ethernet switch fabric interconnect. |
| MAC Interface | QSGMII/SGMII - aggregates four 1-Gbps lanes into one 4-Gbps serial interface to reduce PCB routing complexity. |
| IEEE 1588 Accuracy | ±50 ns typical timestamp resolution - meets ITU-T G.8265.1 and G.8275.1 boundary clock requirements for SyncE networks. |
| MACsec Throughput | AES-128 encryption at line rate (1 Gbps per port) - secures Layer 2 traffic without packet latency penalty. |
| Power Management | ActiPHY low-power states (LP, Wake-Up, Normal) - reduces idle power by >60% vs. legacy PHYs in carrier access nodes. |
| Media Support | Cat5 twisted pair + 1000BASE-X/100BASE-FX fiber - enables hybrid copper/fiber uplinks in aggregation switches. |
| Reference Clock | Single-ended or differential 25 MHz REFCLK input - simplifies clock tree design in multi-PHY systems. |
Pinout & Package
Package: 256-pin 15 mm × 15 mm × 1.0 mm LFBGA (XKS suffix), RoHS-compliant, 0.8 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REFCLK_P / REFCLK_N | Differential reference clock input | Accepts 25 MHz LVDS clock for precise SerDes and 1588 timing synchronization. |
| TS_PPS_OUT | Pulse Per Second output | Provides hardware-aligned 1 Hz PPS signal synchronized to IEEE 1588 grandmaster clock for external timing validation. |
| QSGMII_TX[3:0] / QSGMII_RX[3:0] | QSGMII SerDes lanes | Four differential TX/RX pairs carrying aggregated 4×1 Gbps MAC data - eliminates need for separate SGMII interfaces per port. |
| MDIO / MDC | Serial Management Interface | IEEE 802.3-compliant MDIO bus for register configuration, interrupt status polling, and 1588 register access. |
| GPIO[7:0] | General-purpose I/O | Configurable as LED controls, link status indicators, or system reset triggers - supports custom board-level signaling. |
Key Features
| Feature | Design Value |
|---|---|
| VeriTime™ Timestamping | Hardware-accelerated ingress/egress timestamping with ±50 ns accuracy and serial time-of-day output for traceable network timing audits. |
| Intellisec™ MACsec | Full-line-rate AES-128 encryption with secure SA table management, replay protection, and FCS-based debug fault injection for security validation. |
| Synchronous Ethernet | Recoverable ESMC-compliant clock output (ESMC_CLKOUT) enabling phase-locked distribution of SyncE timing across multi-chip systems. |
| ActiPHY Power States | Three-tiered low-power operation (LP/Wake-Up/Normal) with <100 µs wake-up latency - extends thermal headroom in dense line cards. |
| Ring Resiliency | Hardware-assisted Ethernet ring protection (G.8032) with sub-50 ms failover - eliminates software stack dependency for metro transport resilience. |
Applications
| Mobile Fronthaul Gateway | Carrier Ethernet Aggregation Switch |
|---|---|
Use Scenario: Connecting 4× eCPRI or CPRI radios over fiber/copper to centralized BBU units in 5G RAN deployments. IC Role / Device Role / Timing Role: PHY layer termination with IEEE 1588v2 one-step transparent clock and SyncE recovery for deterministic fronthaul timing. Use Value: Enables <100 ns phase alignment between distributed radio units and baseband processors - meeting 3GPP TR 38.811 fronthaul jitter requirements. | Use Scenario: Edge aggregation node handling 4× 1 GbE uplinks from business customers in metro Ethernet networks. IC Role / Device Role / Timing Role: Quad-port PHY with MACsec encryption and G.8032 ring protection for secure, resilient service delivery. Use Value: Delivers sub-50 ms service restoration during fiber cuts while encrypting customer VLAN traffic end-to-end without CPU offload. |
| Time-Sensitive Networking Bridge | Industrial Precision Timing Appliance |
Use Scenario: Industrial control backbone bridging PLCs, HMIs, and motion controllers requiring deterministic latency and bounded jitter. IC Role / Device Role / Timing Role: IEEE 1588v2 boundary clock with two-step TC support and hardware timestamp FIFO for TSN traffic shaping. Use Value: Achieves <1 µs time synchronization error across 8-hop industrial networks - satisfying IEC 61850-9-3 Class D timing compliance. | Use Scenario: Standalone timing appliance generating PPS, 10 MHz, and ToD signals for lab calibration, GNSS backup, or financial timestamping. IC Role / Device Role / Timing Role: Precision time-stamp processor with LTC load register offset programming and serial time-of-day output. Use Value: Provides traceable UTC-referenced timestamps with NIST-traceable accuracy for audit-ready event logging in regulated environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-port Ethernet PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Marvell Alaska 88E1512 | Supports IEEE 1588v2 but lacks hardware MACsec acceleration and VeriTime™ timestamp FIFO; uses standard SGMII (not QSGMII). | Targeted at enterprise switches where encryption is handled in MAC layer; no SyncE ESMC output. | Select when cost-sensitive designs prioritize broad driver support over carrier-grade timing/security. |
| Intel Ethernet PHY I210-IT | Single-port 10/100/1000BASE-T only; no QSGMII, no 1588 hardware timestamping, no MACsec. | Designed for PC/embedded host NICs, not carrier infrastructure; requires external timing ICs. | Choose only for endpoint devices needing basic PHY functionality without timing or security features. |
Compared with VSC8584XKS-10, the 88E1512 offers broader Linux driver maturity but sacrifices hardware timestamp accuracy and MACsec throughput, while the I210-IT lacks multi-port integration and timing capabilities entirely-making VSC8584XKS-10 uniquely suited for space-constrained, time-critical carrier edge platforms.
Availability
VSC8584XKS-10 is available at Aetrix Electronics and suitable for mobile fronthaul gateways, carrier Ethernet aggregation switches, time-sensitive networking bridges, and industrial precision timing appliances requiring stable component supply across extended product lifecycles.
Supply support for VSC8584XKS-10 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microsemi, now part of Microchip Technology Inc., specializes in high-reliability semiconductor solutions for aerospace, defense, communications, and industrial markets, with leadership in timing, security, and Ethernet infrastructure.
The VSC8584XKS-10 belongs to Microsemi's Carrier Ethernet PHY product line, engineered specifically for metro and access network equipment demanding IEEE 1588v2 precision, hardware MACsec, and Synchronous Ethernet compliance.
FAQ
What is the primary function of the VSC8584XKS-10 in a carrier Ethernet system?
The VSC8584XKS-10 serves as a quad-port Ethernet PHY with integrated IEEE 1588v2 timestamping, MACsec encryption, and Synchronous Ethernet recovery. In carrier systems, it terminates 10/100/1000BASE-T links while providing hardware-accelerated time synchronization and line-rate security-enabling compliant metro aggregation switches and fronthaul gateways without external timing or crypto ICs.
Does the VSC8584XKS-10 support QSGMII interface mode, and what is its design impact?
Yes, the VSC8584XKS-10 supports QSGMII mode, aggregating four 1-Gbps SGMII lanes into a single 4-Gbps serial interface. This reduces PCB layer count and routing congestion compared to discrete SGMII connections, lowers EMI, and simplifies MAC-to-PHY interconnect in space-constrained line cards-directly improving signal integrity and manufacturability of multi-port switches.
How does the VSC8584XKS-10 implement IEEE 1588v2 timestamping, and what accuracy is achieved?
The VSC8584XKS-10 implements IEEE 1588v2 via a dedicated hardware timestamp processor, local time counter (LTC), and serial time-of-day output interface. It achieves ±50 ns timestamp accuracy under typical conditions and supports one-step end-to-end transparent clock, boundary clock, and ordinary clock modes-all verified per ITU-T G.8275.1 test procedures in the official datasheet.
What power management features does the VSC8584XKS-10 provide for energy-constrained deployments?
The VSC8584XKS-10 incorporates ActiPHY technology with three defined power states: Low Power (LP), Link Partner Wake-Up, and Normal Operating. In LP mode, it reduces dynamic power by >60% while maintaining link detection capability and enabling <100 µs wake-up latency-critical for fanless, thermally constrained carrier access nodes and outdoor small cells.
Can the VSC8584XKS-10 perform MACsec encryption on all four ports simultaneously at line rate?
Yes, the VSC8584XKS-10 performs full-line-rate AES-128 MACsec encryption and decryption on all four 1000BASE-T ports concurrently. Its Intellisec™ engine handles secure association (SA) table management, replay protection, and encrypted frame processing without packet buffering or CPU intervention-ensuring deterministic latency and zero throughput penalty for secured traffic.
VSC8584XKS-10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 256-BGA
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- -
- Interface:
- -
- Number of Circuits:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-PBGA (17x17)
VSC8584XKS-10 FAQ
1.How can I place an order for VSC8584XKS-10 through Aetrix?
Please submit a Request for Quotation (RFQ) for VSC8584XKS-10 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for VSC8584XKS-10 reliable?
The price and inventory of VSC8584XKS-10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSC8584XKS-10 is usually 5 days.
3.What payment methods are accepted for VSC8584XKS-10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSC8584XKS-10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSC8584XKS-10?
VSC8584XKS-10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSC8584XKS-10 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for VSC8584XKS-10?
For technical support, including VSC8584XKS-10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSC8584XKS-10 requirements.
6.How does Aetrix verify that VSC8584XKS-10 is sourced from the original manufacturer or authorized distributors?
All VSC8584XKS-10 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that VSC8584XKS-10 meets industry standards.
7.What is the process for return or replacement of VSC8584XKS-10?
All VSC8584XKS-10 units undergo pre-shipment inspection (PSI). If there is an issue with VSC8584XKS-10, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The VSC8584XKS-10 part is unused and in its original packaging.
Return procedure for VSC8584XKS-10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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