My Inquiry
My Account
Microchip Technology VSC8502EV
- Part No.:
- VSC8502EV
- Manufacturer:
- Microchip Technology
- Category:
- Telecom
- Package:
- -
- Datasheet:
-
VSC8502EV.pdf
- Description:
- IC TELECOM INTERFACE
- Quantity:
- Payment:
- Shipping:
Inventory:3,145
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
VSC8502EV from Microchip Technology is a dual-port 10/100/1000BASE-T copper PHY IC designed for space-constrained Ethernet edge devices. It integrates line-side termination, RGMII timing compensation, and EcoEthernet™ v2.0 power management. Confirmed parameters include –40 °C to 125 °C junction operating temperature, 135-pin 12 mm × 12 mm QFN package, and IEEE 802.3ab/802.3az compliance - deployed in industrial gateways requiring low-EMI, high-availability wired connectivity.
For engineers reviewing the VSC8502EV datasheet, VSC8502EV pinout, VSC8502EV application, or VSC8502EV equivalent, key selection considerations include RGMII/GMII interface voltage support (2.5 V/3.3 V), fast link failure detection (<1 ms), synchronous Ethernet clock output capability, and dual-port Wake-on-LAN with SecureOn packet authentication.
Technical Context
The VSC8502EV implements two independent IEEE 802.3ab-compliant 10/100/1000BASE-T transceivers with VeriPHY® cable diagnostics and patented low-EMI voltage-mode line drivers. Each port supports HP Auto-MDIX and manual MDI/MDIX configuration, and features integrated line-side termination resistors eliminating external components.
It delivers programmable recovered clock outputs (RCVRDCLK1/RCVRDCLK2) with squelch control for Synchronous Ethernet timing loop prevention, and supports Ring Resiliency™ enabling seamless master/slave timing reference switching in 1000BASE-T mode without link drop. Clause 45 registers enable full IEEE 802.3az EEE and 802.3bf compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface Standard | IEEE 802.3ab (10/100/1000BASE-T), 802.3az (EEE), 802.3bf compliant - enables energy-aware link operation and standardized management. |
| Data Rate Support | 10/100/1000 Mbps per port - full-speed operation across all legacy and Gigabit Ethernet applications without mode switching overhead. |
| MAC Interface | RGMII v1.3 & v2.0 (2.5 V/3.3 V), GMII, MII - direct connection to SoC/MAC without level shifters or delay lines. |
| Operating Temperature | –40 °C ambient to 125 °C junction - qualified for extended industrial and transportation environments. |
| Power Management | EcoEthernet™ v2.0 with ActiPHY™, PerfectReach™, and Wake-on-LAN via magic packets - reduces idle power by >50% vs. legacy PHYs. |
| Link Failure Detection | <1 ms typical response - exceeds IEEE 802.3 requirement (750 ms ±10 ms) for high-availability ring or redundant network topologies. |
| Clock Outputs | Two programmable recovered clocks (RCVRDCLK1/RCVRDCLK2) with CLK_SQUELCH_IN control - supports SyncE distribution and timing loop mitigation. |
Pinout & Package
Package: 135-pin, multi-row, lead-free QFN with exposed thermal pad; 12 mm × 12 mm body, 0.65 mm pitch, 0.85 mm max height. Pinout validated per DS60001742B-page 5–10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_D0P / P0_D0N P0_D1P / P0_D1N P0_D2P / P0_D2N P0_D3P / P0_D3N |
PHY 0 differential TX/RX pairs (A–D) | Direct Cat5 twisted-pair interface with integrated 50 Ω line-side termination - eliminates 8 external resistors per port. |
| P1_D0P / P1_D0N … P1_D3P / P1_D3N |
PHY 1 differential TX/RX pairs (A–D) | Second independent 10/100/1000BASE-T channel with identical analog front-end architecture and termination integration. |
| RCVRDCLK1 / RCVRDCLK2 | Recovered clock outputs | Programmable frequency outputs derived from media clock recovery - used for Synchronous Ethernet timing distribution or MAC synchronization. |
| GTX_CLK_0 / GTX_CLK_1 | GMII transmit clock inputs | Accepts 25 MHz (100BASE-TX), 125 MHz (1000BASE-T), or 2.5 MHz (10BASE-T) - enables single-clock-domain MAC interfacing. |
| TXD[0:7]_0 / TXD[0:7]_1 RXD[0:7]_0 / RXD[0:7]_1 |
RGMII/GMII data I/O | 8-bit parallel data paths supporting 10/100/1000 Mbps with RGMII 2.0 source-synchronous timing - eliminates PCB trace length matching for 1000BASE-T. |
| NRESET | Active-low global reset | Asynchronous hardware reset that powers down all blocks and clears register state - required before configuration via MDIO. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated line-side termination | Eliminates 16 discrete 50 Ω resistors (8 per port), reducing BOM count, board area, and EMI emissions in compact designs. |
| RGMII timing compensation | On-die delay adjustment removes need for external PCB trace delays or skew-matched routing - simplifies layout for 1000BASE-T RGMII. |
| Fast link failure indication | Sub-millisecond detection (<1 ms) enables rapid failover in ring or redundant topologies - critical for IEC 62439-3 PRP/HSR compliance. |
| Synchronous Ethernet support | Recoverable clock outputs with programmable squelch inhibit spurious timing propagation - meets ITU-T G.8262 ePRTC Class C stability requirements. |
| Ring Resiliency™ | Zero-downtime master/slave timing reference switch during 1000BASE-T operation - maintains link integrity in industrial ring networks. |
Applications
| Industrial Ethernet Gateway | Smart Grid RTU |
|---|---|
Use Scenario: Dual-port Ethernet aggregation node connecting fieldbus devices (Modbus TCP, PROFINET) to cloud SCADA systems in substation cabinets. IC Role / Device Role / Timing Role: Dual 10/100/1000BASE-T PHY providing deterministic low-latency link layer bridging and recovered clock for time-synchronized packet forwarding. Use Value: Integrated termination and RGMII compensation reduce PCB layer count by 2, while <1 ms link failure detection enables sub-50 ms ring recovery per IEC 62439-3. |
Use Scenario: Remote terminal unit deployed in outdoor metering cabinets, requiring robust PoE-powered Ethernet with secure remote wake-up. IC Role / Device Role / Timing Role: Copper PHY with Wake-on-LAN + SecureOn handling authenticated magic packets over 100 m Cat5e, plus inline power negotiation reporting. Use Value: EcoEthernet™ v2.0 cuts standby power to <150 mW/port, extending battery backup runtime; –40 °C to 125 °C junction rating ensures reliability in unheated enclosures. |
| Transportation Onboard Network | Medical Imaging Control Unit |
Use Scenario: In-vehicle infotainment backbone switch connecting ADAS cameras, displays, and telematics modules via ruggedized Ethernet. IC Role / Device Role / Timing Role: Dual-port PHY implementing Ring Resiliency™ to maintain video streaming continuity during topology changes or cable faults. Use Value: Master/slave timing switchover occurs without link drop in 1000BASE-T mode - preserves real-time A/V synchronization during vehicle vibration-induced disconnections. |
Use Scenario: DICOM image acquisition controller linking MRI/PET scanners to PACS servers in hospital radiology suites. IC Role / Device Role / Timing Role: High-integrity PHY with VeriPHY® cable diagnostics verifying 100 m link health pre-scan, and recovered clock feeding timestamping logic. Use Value: VeriPHY® identifies opens/shorts and cable length within ±5 m accuracy - prevents misdiagnosis due to marginal cabling before clinical imaging begins. |
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 | Single 10/100/1000BASE-T port; requires external termination; no integrated RGMII timing compensation. | Lacks dual-port integration and fast link failure detection - necessitates two ICs and additional layout effort for equivalent functionality. | Select when cost-per-port optimization outweighs board space savings and advanced timing features. |
| Realtek RTL8211F-CG | Single-port PHY; supports RGMII but no Synchronous Ethernet clock output or Ring Resiliency™. | No recovered clock outputs or master/slave timing switching - unsuitable for SyncE or ring-based industrial networks. | Choose for basic embedded networking where EcoEthernet™ and timing resilience are not required. |
Compared with the VSC8502EV, both alternatives require external termination resistors and lack sub-millisecond link failure detection or programmable recovered clocks - making them less suitable for space-constrained, high-availability, or timing-critical industrial Ethernet deployments.
Availability
VSC8502EV is available at Aetrix Electronics and suitable for industrial gateways, smart grid RTUs, transportation onboard networks, medical imaging controllers, and ruggedized edge computing platforms requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for VSC8502EV 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
Microchip Technology is a U.S.-based semiconductor company specializing in microcontrollers, analog devices, FPGAs, and connectivity solutions, with deep expertise in industrial, automotive, and communications markets.
The VSC8502EV belongs to Microchip's VSC85xx family of Ethernet PHYs engineered specifically for high-reliability, low-power, space-constrained wired infrastructure - emphasizing EMI reduction, timing precision, and extended temperature operation.
FAQ
What Ethernet standards does the VSC8502EV support?
The VSC8502EV supports IEEE 802.3ab (10/100/1000BASE-T), 802.3az (Energy Efficient Ethernet), and 802.3bf (frame preemption). It also complies with 802.3-2008 for twisted-pair physical layer operation and includes VeriPHY® cable diagnostics for fault location. These capabilities are confirmed in DS60001742B and apply directly to the VSC8502EV device variant.
Does the VSC8502EV support RGMII at 3.3 V?
Yes, the VSC8502EV supports RGMII version 2.0 at both 2.5 V and 3.3 V CMOS levels, as explicitly stated in DS60001742B-page 2. This dual-voltage RGMII compatibility allows direct interfacing with a wide range of SoCs and MACs without level-shifting circuitry - a confirmed feature of the VSC8502EV.
What is the purpose of the CLK_SQUELCH_IN pin on the VSC8502EV?
The CLK_SQUELCH_IN pin (A2) is an input control signal that disables the recovered clock outputs (RCVRDCLK1/RCVRDCLK2) when asserted, preventing spurious clock propagation and timing loops in Synchronous Ethernet systems. This function is documented in DS60001742B-page 7 and is a defined behavior of the VSC8502EV.
Can the VSC8502EV operate in extended temperature environments?
Yes, the VSC8502EV is rated for –40 °C ambient to 125 °C junction temperature, as specified in DS60001742B-page 11 under Ordering Information. This extended range qualifies it for deployment in uncontrolled industrial enclosures, transportation systems, and outdoor utility equipment - a confirmed specification for the VSC8502EV.
How does the VSC8502EV implement Wake-on-LAN security?
The VSC8502EV implements SecureOn alongside standard Wake-on-LAN, using configurable password registers (27E2) and MAC address filtering (21E2–23E2) to authenticate magic packets before asserting WOL interrupt. This dual-layer security is detailed in DS60001742B-page 12 and applies specifically to the VSC8502EV device.
VSC8502EV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Ethernet
- Interface:
- GMII, MII, RMII
- Number of Circuits:
- 2
- Voltage - Supply:
- 0.95V ~ 1.05V, 1.14V ~ 1.26V, 2.38V ~ 2.62V, 3.135V ~ 3.465V
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
VSC8502EV FAQ
1.How can I place an order for VSC8502EV through Aetrix?
Please submit a Request for Quotation (RFQ) for VSC8502EV 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 VSC8502EV reliable?
The price and inventory of VSC8502EV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VSC8502EV is usually 5 days.
3.What payment methods are accepted for VSC8502EV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VSC8502EV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VSC8502EV?
VSC8502EV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VSC8502EV 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 VSC8502EV?
For technical support, including VSC8502EV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VSC8502EV requirements.
6.How does Aetrix verify that VSC8502EV is sourced from the original manufacturer or authorized distributors?
All VSC8502EV 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 VSC8502EV meets industry standards.
7.What is the process for return or replacement of VSC8502EV?
All VSC8502EV units undergo pre-shipment inspection (PSI). If there is an issue with VSC8502EV, 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 VSC8502EV part is unused and in its original packaging.
Return procedure for VSC8502EV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VSC8502EV Tags
-
LMC567CMX/NOPB
Texas Instruments
-
LM567CMX/NOPB
Texas Instruments
-
LM567CM/NOPB
Texas Instruments
-
VSC8531XMW-02
Microchip Technology
-
VSC8531XMW-05
Microchip Technology
-
GPY115C0VI
MaxLinear, Inc.
-
SI32185-A-FMR
Skyworks Solutions Inc.
-
VSC8541XMV-05
Microchip Technology
-
SI32178-B-FM1R
Skyworks Solutions Inc.
-
GPY215C0VI
MaxLinear, Inc.
-
CPC7514ZTR
Littelfuse Inc.
-
VSC8502XML-03
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
