Microchip Technology VSC8582XKS-11
- Part No.:
- VSC8582XKS-11
- Manufacturer:
- Microchip Technology
- Category:
- Telecom
- Package:
- 256-BGA
- Datasheet:
-
VSC8582XKS-11.pdf
- Description:
- IC TELECOM INTERFACE 256BGA
- Quantity:
- Payment:

- Shipping:

Inventory:3,410
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Product details
Overview
VSC8582XKS-11 from Microsemi (now Microchip) is a dual-port 10/100/1000BASE-T Ethernet PHY IC with integrated IEEE 1588v2 precision timing, MACsec encryption, Synchronous Ethernet, VeriTime™ cable diagnostics, and QSGMII/SGMII MAC interface. It supports full-duplex operation across copper (Cat5/Cat6) and fiber (1000BASE-X, 100BASE-FX) media, delivering sub-50 ns timestamp accuracy and <100 ps jitter for carrier-grade timing applications in metro aggregation switches and mobile fronthaul.
For engineers reviewing the VSC8582XKS-11 datasheet, VSC8582XKS-11 pinout, VSC8582XKS-11 application, or VSC8582XKS-11 equivalent, this device serves as a timing-critical, security-enabled PHY for IEEE 1588 boundary/transparent clock systems, Synchronous Ethernet distribution, and encrypted Layer 2 transport - requiring precise delay measurement, deterministic packet timestamping, and hardware-accelerated MACsec.
Technical Context
The VSC8582XKS-11 implements a dual-channel architecture with independent SerDes paths for QSGMII/SGMII-to-media conversion, supporting simultaneous 1000BASE-X and 100BASE-FX operation per port. Its IEEE 1588 block includes one-step E2E transparent clock, two-step boundary clock, Y.1731 OAM delay measurement, and serial time-of-day output with programmable LTC offset.
MACsec operates inline at line rate with AES-128-GCM encryption, supporting secure frame classification, transform sequencing, and debug fault injection via FCS. The device integrates ActiPHY power management, Energy Efficient Ethernet (EEE), and VeriPHY cable diagnostics with impedance-based fault location up to 120 m.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 10/100/1000 Mbps per port - supports auto-negotiation and manual speed selection on copper; fixed-rate 1.25 Gbps on fiber SerDes links. |
| IEEE 1588 Accuracy | ±50 ns typical timestamp resolution - enables sub-microsecond synchronization in telecom PTP networks with one-step TC support. |
| MACsec Throughput | Full-line-rate 1 Gbps encryption/decryption - no packet buffering latency; AES-128-GCM with replay protection and secure channel binding. |
| Timing Jitter | <100 ps RMS (12 kHz–20 MHz) - meets ITU-T G.8262 eECR requirements for SyncE distribution in mobile backhaul. |
| Power Consumption | 1.4 W typical (dual-port, 1000BASE-T active) - reduced to 0.8 W with ActiPHY low-power state and EEE enabled. |
| Cable Diagnostics | VeriPHY with distance-to-fault resolution ≤1.5 m - identifies opens, shorts, and impedance mismatches on Cat5/6 without external test equipment. |
| Reference Clock | 25 MHz single-ended or 125 MHz differential REFCLK input - supports synchronous Ethernet clock recovery and 1588 reference clock sourcing. |
Pinout & Package
Package: 256-pin 15 mm × 15 mm × 1.0 mm fine-pitch BGA (VSC8582XKS-11), RoHS-compliant, 0.8 mm pitch, thermal pad exposed on underside.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REFCLK_P / REFCLK_N | Differential reference clock input | Accepts 125 MHz LVDS clock for synchronous Ethernet and IEEE 1588 timing reference; enables jitter-cleaned clock synthesis. |
| MDIO / MDC | Serial Management Interface | IEEE 802.3-compliant MDIO/MDC bus for register configuration, status readback, and interrupt handling of both PHY ports. |
| QSGMII_TX[3:0] / RX[3:0] | Quad-SGMII MAC interface | 4-lane 1.25 Gbps SerDes interface supporting four 1 Gbps MAC connections or two 2.5 Gbps aggregated links. |
| TXP/N_[A:B], RXP/N_[A:B] | Copper PHY differential pairs | Eight-pin differential pair (4 per port) for 1000BASE-T signaling over Cat5/6; integrated voltage-mode line drivers and adaptive equalizers. |
| CLKOUT_1588 | Programmable PPS output | Configurable pulse-per-second signal synchronized to IEEE 1588 grandmaster; used for external timing validation and system-level sync alignment. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588v2 Hardware Timestamping | Sub-50 ns timestamp resolution with dedicated Time Stamp FIFO, serial TOD output, and LTC counter adjustment for phase alignment in BC/TC nodes. |
| MACsec Encryption Engine | Inline AES-128-GCM at full 1 Gbps with zero-latency pipeline, replay protection, and secure SA key management via SPI or MDIO. |
| Synchronous Ethernet Support | Fully compliant with ITU-T G.8262 eECR; recovers and distributes Stratum 3E-compliant clock with <100 ps jitter over daisy-chained PHYs. |
| VeriTime™ Cable Diagnostics | Real-time TDR-based fault detection with meter-level distance-to-fault accuracy and automatic polarity/crossover correction. |
| ActiPHY Power Management | Three operational states (low-power, link-wake, normal) reducing idle power by 40% while maintaining link integrity and fast wake-up response. |
Applications
| Mobile Fronthaul Timing | Carrier Ethernet Switch |
|---|---|
Use Scenario: 5G RU-DU split architecture requiring precise time synchronization between radio unit and distributed unit over CPRI/eCPRI transport. IC Role / Device Role / Timing Role: IEEE 1588 boundary clock with one-step transparent clock mode, providing deterministic timestamp insertion and delay compensation on both fiber and copper interfaces. Use Value: Enables sub-100 ns phase alignment across multi-hop fronthaul links, meeting 3GPP TR 38.801 timing budget for massive MIMO beamforming. |
Use Scenario: Metro aggregation switch supporting MPLS-TP, Y.1731 OAM, and encrypted Layer 2 transport for business services. IC Role / Device Role / Timing Role: Dual-port PHY with MACsec encryption engine and Synchronous Ethernet clock recovery for service-aware transport. Use Value: Delivers hardware-accelerated AES-128-GCM encryption at line rate and Stratum 3E-compliant clock distribution without external timing ICs. |
| Smart Grid Substation | Industrial Precision Timing |
Use Scenario: IEC 61850-9-3-compliant substation automation network requiring precise time stamping of GOOSE and SV messages. IC Role / Device Role / Timing Role: IEEE 1588 ordinary clock with Y.1731 one-way/two-way delay measurement for path asymmetry calibration. Use Value: Achieves ±50 ns timestamp accuracy and supports serial TOD output for direct integration with IED timing modules. |
Use Scenario: Test & measurement equipment needing deterministic packet capture and hardware timestamping for jitter analysis. IC Role / Device Role / Timing Role: High-accuracy PHY with VeriPHY diagnostics, local time counter, and programmable LTC load register. Use Value: Enables real-time cable health monitoring and microsecond-level event correlation across distributed sensor nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-port Gigabit Ethernet PHY applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Marvell Alaska 88E1512 | Lacks integrated IEEE 1588v2 hardware timestamping and MACsec; supports only basic SMI management and standard 1588 software assist. | Suitable for cost-sensitive enterprise switches where hardware timing and encryption are not required. | Select when IEEE 1588 accuracy >1 µs and MACsec are unnecessary; requires external timing IC for SyncE. |
| Intel Ethernet PHY I210-IT | Single-port 10/100/1000BASE-T PHY with PCIe host interface; no QSGMII/SGMII SerDes, no 1588 hardware acceleration, no MACsec. | Targeted at embedded x86 platforms with host CPU-based timing and security processing. | Choose for PC-based industrial controllers where host-side timestamping suffices and dual-port copper-only operation is acceptable. |
Compared with VSC8582XKS-11, the 88E1512 offers lower cost but requires external timing circuitry for sub-microsecond synchronization, while the I210-IT provides host-integrated control at the expense of standalone timing fidelity and dual-port flexibility - making VSC8582XKS-11 uniquely suited for carrier-class timing-critical PHY layer functions.
Availability
VSC8582XKS-11 is available at Aetrix Electronics and suitable for mobile fronthaul infrastructure, carrier Ethernet switches, smart grid substations, and industrial precision timing systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for VSC8582XKS-11 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., designs high-reliability semiconductor solutions for aerospace, defense, communications, and industrial markets, with leadership in timing, security, and Ethernet technologies.
The VSC8582XKS-11 belongs to Microsemi's VeriTime™ Ethernet PHY product line, engineered specifically for carrier-grade timing, deterministic networking, and hardware-accelerated security in telecom infrastructure and critical infrastructure networks.
FAQ
What is the primary function of the VSC8582XKS-11 in a telecom timing architecture?
The VSC8582XKS-11 serves as a dual-port IEEE 1588v2 boundary or transparent clock PHY, providing hardware-accelerated timestamping with ±50 ns accuracy, Synchronous Ethernet clock recovery, and deterministic delay measurement. In telecom timing architectures, the VSC8582XKS-11 enables precise phase alignment across multi-hop fronthaul and backhaul links without software overhead or CPU intervention.
Does the VSC8582XKS-11 support both copper and fiber media interfaces simultaneously?
Yes, the VSC8582XKS-11 supports concurrent copper (1000BASE-T over Cat5/6) and fiber (1000BASE-X or 100BASE-FX) operation per port via its flexible SerDes architecture. Each port can be independently configured for QSGMII/SGMII-to-copper, QSGMII/SGMII-to-fiber, or protocol conversion modes - enabling hybrid access networks with mixed media topologies.
How does MACsec implementation in the VSC8582XKS-11 differ from software-based encryption?
The VSC8582XKS-11 integrates a dedicated MACsec engine that performs AES-128-GCM encryption/decryption at full 1 Gbps line rate with zero packet buffering latency. Unlike software-based approaches, this hardware acceleration ensures deterministic throughput, eliminates CPU load, and provides secure channel binding with replay protection - all implemented within the VSC8582XKS-11 PHY layer.
What diagnostic capabilities does the VSC8582XKS-11 provide for field deployment?
The VSC8582XKS-11 includes VeriPHY cable diagnostics with TDR-based fault location accurate to ≤1.5 m, automatic MDI/MDIX correction, polarity detection, and energy-efficient Ethernet (EEE) link status reporting. These features allow remote validation of cabling integrity and physical layer health without requiring external test gear - critical for rapid deployment and maintenance of distributed telecom nodes.
Is the VSC8582XKS-11 compatible with standard MDIO/SPI management interfaces?
Yes, the VSC8582XKS-11 supports IEEE 802.3-compliant MDIO/MDC for register-level configuration and status monitoring, plus a daisy-chainable SPI interface for IEEE 1588 register access, time stamp FIFO reads, and secure key provisioning. Both interfaces are fully documented in the VMDS-10456 datasheet and supported across all operating modes of the VSC8582XKS-11.
VSC8582XKS-11 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 256-BGA
- Packaging:
- Tray
- Product Status:
- Active
- Function:
- Ethernet
- Interface:
- GMII, SerDes, SPI, TBI
- Number of Circuits:
- 1
- Voltage - Supply:
- 1V
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-PBGA (17x17)
VSC8582XKS-11 FAQ
1.How can I place an order for VSC8582XKS-11 through Aetrix?
Please submit a Request for Quotation (RFQ) for VSC8582XKS-11 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 VSC8582XKS-11 reliable?
The price and inventory of VSC8582XKS-11 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSC8582XKS-11 is usually 5 days.
3.What payment methods are accepted for VSC8582XKS-11?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSC8582XKS-11 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSC8582XKS-11?
VSC8582XKS-11 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSC8582XKS-11 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 VSC8582XKS-11?
For technical support, including VSC8582XKS-11 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSC8582XKS-11 requirements.
6.How does Aetrix verify that VSC8582XKS-11 is sourced from the original manufacturer or authorized distributors?
All VSC8582XKS-11 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 VSC8582XKS-11 meets industry standards.
7.What is the process for return or replacement of VSC8582XKS-11?
All VSC8582XKS-11 units undergo pre-shipment inspection (PSI). If there is an issue with VSC8582XKS-11, 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 VSC8582XKS-11 part is unused and in its original packaging.
Return procedure for VSC8582XKS-11:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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