Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for com-
munications, defense and security, aerospace, 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; voice processing devices; RF solutions; discrete components; enter-
prise storage and communications solutions, security technologies, and scalable anti-tamper products; Ethernet solutions;
Power-over-Ethernet ICs and midspans; custom design capabilities and services. Microsemi is headquartered in Aliso Viejo,
California, and has approximately 4,800 employees worldwide. Learn more at www.microsemi.com.
Microsemi Corporate Headquarters
One Enterprise, Aliso Viejo, CA 92656 USA
Within the USA: +1 (800) 713-4113
Outside the USA: +1 (949) 380-6100
Sales: +1 (949) 380-6136
Fax: +1 (949) 215-4996
email: sales.support@microsemi.com
www.microsemi.com
©2010–2016 Microsemi Corporation. All rights reserved. Microsemi and the Microsemi logo are registered trademarks of Microsemi Corporation. All other trademarks
and service marks are the property of their respective owners.
VPPD-02404. 1.1. 4/16.
1× SGMII
1000BASE-X
100BASE-FX
12×
10/100/1000 Mbps
Ingress and Egress
Statistics
MIPS CPU
JTAG, SPI, MIIM
DDR2 Controller
32× GPIO:
PI
LED
UART
SIO
Two-Wire Serial
Fan Controller
Signal Detect
1× SGMII
1000BASE-X
100BASE-FX
L2 Forwarding
and Policers
Shared Queue System
4 Mb Memory
Audio Video Bridging
TCAM-based Security
12× Copper PHY 1× SGMII
1× SGMII
3× QSGMII
1000BASE-X
100BASE-FX
3× Quad SGMII
26× 1G MAC
DWRR Scheduler
and Shapers
TCAM-based Classication,
Translation, and Remarking
TCAM-based VLAN Editing,
Translation, and Remarking
Best-In-Class Power Consumption
• Lowest power 26-port Gigabit Ethernet switch available in the
market
• Green energy effi ciency modes including ActiPHY™, Perfect-
Reach™, and Draft IEEE 802.3az
• Two ICs reduce overall power requirements
• Optimal power consumption for all link speeds
Features
• Twelve integrated IEEE 802.3ab-compliant
10/100/1000BASE-T Ethernet copper transceivers with
VeriPHY™ cable diagnostics
• Three QSGMII MAC interfaces
• Integrated 416 MHz MIPS CPU with DDR2 and serial Flash
interface
• Advanced Access and QoS Control Lists (ACL and QCL)
support through TCAM-based match patterns
• Integrated temperature monitoring circuit
• Integrated fan controller
• 8 K MAC addresses and 4 K VLAN support
• Supports IEEE 1149.1 JTAG boundary scan, IEEE 1149.6
AC-JTAG, QSGMII v1.2, 1 Gbps SGMII, and 100BASE-FX and
1000BASE-X
Layer 2 Switching
• 26-port Gigabit Ethernet switch with nonblocking wire-speed
performance
• Link aggregation (IEEE 802.3ad) with programmable traffi c
distribution based on Layer 2 through Layer 4 information
• Wire-speed hardware-based learning and CPU-based learning
confi gurable per port
• Independent and shared VLAN learning
• Jumbo frame support up to 12.2 kilobytes with per-port pro-
grammable MTU
• Q-in-Q tagging support
• 4 megabits of integrated shared packet memory
• Audio and video bridging (AVB)
Qos
• Eight QoS queues per port with strict or defi cit-weighted round
robin scheduling
• QoS classifi cation based on IEEE 802.1p, EtherType, VID,
MAC/IP addresses, IPv4/IPv6 DSCP, and UDP/TCP ports and
ranges
• Data rate shaper and policer per-queue, per-port for both
ingress and egress directions
• Full-duplex fl ow control (IEEE 802.3x) and halfduplex backpres-
sure, symmetric and asymmetric
• Multicast and broadcast storm control with fl ooding control
Key Specifi cations
• 1 V core power supply
• 1.8 V and 2.5 V I/O power supplies
• 27 mm x 27 mm thermally enchanced plastic BGA package
Related Products
Visit www.microsemi.com for information about these related
products:
• Ethernet switches
• 1G copper PHYs
VSC7427
26-Port Layer-2 Gigabit Ethernet Switch with 12 Fully Integrated Copper PHYs and Embedded 416 MHz CPU