VSC8540RT datasheet(2/87 Pages) MICROCHIP

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VSC8540RT

DS60001603E-page 2

 2022 Microchip Technology Inc. and its subsidiaries

• IEEE 1588 Start of Frame (SOF) detection to enhance 1588v2 PTP time stamp accuracy

Fast Link Up/Link Drop Modes

• Fast link failure indication (programmable down to <150 µs)

Best-in-Class Power Consumption

• EcoEthernet™ v2.0 green energy efficiency with ActiPHY™, PerfectReach™, and IEEE 802.3az Energy-Efficient

Ethernet

• Fully optimized power consumption for all link speeds

• Clause 45 registers to support Energy-Efficient Ethernet

Key Specifications

• Compliant with IEEE 802.3 (10BASE-T, 100BASE-TX) specifications

• Supports RGMII, MII, RMII

• Supports a variety of clock sources: 25 MHz Xtal, 25 MHz OSC, 50 MHz OSC, 125 MHz OSC

• Supports programmable output frequencies of 25 MHz, 50 MHz, or 125 MHz, regardless of chosen Xtal or OSC

frequencies

• Supports a wide array of stand-alone hardware configuration options

• Supports all 5 bits of MDIO/MDC addressing possible for managed mode designs using pull-up/pull-down resis-

tors

• Low alpha mold compound (VQFN68 only)

• Optionally reports if a link partner is requesting inline Power-over-Ethernet (PoE and PoE+)

Operating Range

• Supply Voltage:

- Core: 1V (0.95V-1.05V)

- Analog Circuits: 2.5V (2.38V-2.62V)

- RGMII V1.3 and V2.0 (without HSTL support), MII, RMII V1.2:

supports 1.5V (1.425V-1.575V), 1.8V (1.71V-1.89V), 2.5V (2.38V-2.62V) and 3.3V (3.135V-3.465V)

• Temperature: –55 °C to 125 °C ambient

Packages

• VQFN68, 68-lead VQFN, 8 mm x 8 mm body size, 0.4 mm pin pitch and 0.9 mm maximum height

• CQFP68, 68-lead CQFP, 13.05 mm x 13.05 mm body size, 0.635 mm pin pitch and 3.68 mm maximum height

ESD

• HBM: 2000V

• CDM:

- VQFN68: 1000V

- CQFP68: 500V

Radiation Performances

• No Single Event Latch-up below a LET of 78 MeV.cm2/mg @125°C

• TID immunity successfully tested up to 100 Krad(si) according to ESCC-22900 test method.

Mass

• VQFN68: 154 mg

•CQFP68:

- With bended lead cut at 2 mm from edge: 2.008g

- With tie bars: 7.343g

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