88E1040 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Alaska® Quad Gigabit Ethernet Transceivers

Alaska^® Quad
Gigabit Ethernet Transceivers
88E1040/S, 88E1041/S, 88E1042H
PRODUCT OVERVIEW
The Marvell^¨ Alaska^¨ family of Gigabit Ethernet (GbE) over copper transceivers are the industryÕs lowest power,
smallest form factor, highest performance, and highest port density solutions in volume production. Targeted
at high-density GbE switches, the Alaska Quad transceivers are single-chip devices containing four independent
GbE PHYs on a single monolithic IC. Each transceiver performs all of the physical layer functions for 100BASE-TX
and 1000BASE-T full or half duplex Ethernet on category 5 (CAT 5) twisted pair cable, and 10BASE-T full or half
duplex Ethernet on CAT 3, 4 and 5 cable. The Alaska Quad devices (88E1040S, 88E1041S and 88E1042H) offer
additional support of 1000BASE-X through an integrated 1.25 GHz Serializer/Deserializer (SERDES).
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Fig 1. Alaska Quad GbE Transceiver Block Diagram
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FEATURES
Â¥ Highly integrated 4-port device
Â¥ Ultra low power, just exceeding 1W/port
Â¥ 10/100/1000BASE-T IEEE 802.3 compliant
Â¥ Supports GMII/RGMII/TBI/RTBI interfaces
Â¥ Virtual Cable Tester^TM feature
Â¥ Integrated 1.25 GHz SERDES (881040S, 88E1041S, 88E1042H)
Â¥ McoepdpiaerDoerteficbtefremateudreiaautomatically detects and configures to either
Â¥ Automatic support for 2-pair CAT 5 cable (100 Mbps)
Â¥ Power management modes
Â¥ Four RGMII timing modes
Â¥ Uinsteerrfcaocnefisgeuleractble independent Media Access Controller (MAC)
BENEFITS
Â¥ Enables highly integrated Gigabit switches
Â¥ Enables higher integration and reduced cost
Â¥ Compatibility with existing installed base of compliant devices
Â¥ Reduces cost and simplifies PCB layout
Â¥ Remote cable diagnostics for fault detection
Â¥ Supports 1000BASE-X fiber applications
Â¥ Complete media flexibility
Â¥ Operates over installed 2-pair cable
Â¥ Reduced system power
Â¥ Eliminate the need for on-board delay lines
Â¥ Allows interface flexibility