Datasheet > 88E1112

88E1112

更新时间： 2024-11-11 06:33:39

品牌	Logo	应用领域
迈威 - MARVELL		以太网局域网（LAN）标准
页数	文件大小	规格书
2页	148K
描述
10/100/1000 Gigabit Ethernet Transceiver with Auto-Media Detect

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88E1112 数据手册

Marvell Alaska 88E1112

10/100/1000 Gigabit Ethernet Transceiver with Auto-Media Detect

PRODUCT OVERVIEW

The Marvell^®Alaska^®88E1112 Gigabit Ethernet (GbE) transceiver is a fully compliant IEEE 802.3 physical layer device for

Ethernet 1000BASE-T, 100BASE-TX, and 10BASE-T applications, with additional functionality of 1000BASE-X and 100BASE-FX

in SFP applications. The 88E1112 supports the SGMII (Serial Gigabit Media Independent Interface) to connect to the MAC

or switch.

The 88E1112 offers the unique capability of auto-media detect. On the line side, in addition to supporting standard copper

applications on Cat 5 twisted pair cable, the 88E1112 incorporates an additional SERDES (serializer/deserializer) that can

operate at 1.25 GHz for connection to a ﬁber-optic transceiver for 1000BASE-X applications, or 125 MHz operation for

100BASE-FX applications. The 88E1112 is also an ideal device for media-conversion applications that require SERDES/ﬁber-to-

SGMII conversion.

The full ﬂexibility of the 88E1112 enables multiple applications:

• Simple copper connections for line-side 1000BASE-T, 100BASE-TX, and 10BASE-T applications.

• Auto-media detect for direct multimedia support in uplink applications. The end consumer may opt to plug in a RJ45

copper connection or an SFP module for copper or ﬁber 1000BASE-X/100BASE-X connection to the same PHY port.

• Multiple SFP module implementations with a single 88E1112 device to target Copper SFP (10/100/1000BASE-T) and

Fiber SFP (1000BASE-X/100BASE-FX) applications.

• Media converter applications from ﬁber transceivers to copper and ﬁber to SGMII.

The 88E1112 also incorporates Marvell’s Virtual Cable Tester (VCT^™) technology for diagnosing cable faults that include

opens, shorts, and impedance mismatches.

Housed in a small, 64-pin QFN package, the 88E1112 requires only two power supplies and is offered in both commercial

and industrial grade temperatures.

APPLICATIONS

The Alaska 88E1112 10/100/1000 Mbps Ethernet PHY offers an integrated, ﬂexible solution for system level or SFP module

applications. Supporting both copper and ﬁber media applications, with additional SFP module support, the 88E1112 is a

key ingredient for any type of SGMII/SERDES/copper combination application. The small footprint facilitates SFP module

applications, while the auto-media detect capability offers ﬂexible media support.

SFP modules: copper and ﬁber

Auto-Media detect UpLink for copper or ﬁber

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