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| BCM5434 PRODUCT (R) Brief OF BENEFITS 4-PORT GIGABIT COPPER TRANSCEIVER WITH SGMII & SERDES MAC INTERFACE BCM5434 FEATURES SUMMARY Four fully integrated * 1000BASE-T Gigabit 10BASE-T/100BASE-TX/ Ethernet transceivers SGMII and SerDes MAC Interface options * Fully compliant with IEEE 802.3, 802.3u, and 802.3ab * standards * 0.13 um CMOS -- low power and cost * Low power Low power quad-port integration enables single-row, * high port density switches. * Lowers system costs by eliminating PCB layers required for routing high density solutions * SGMII interface reduces I/O pin requirement over RGMII by more than 50%. * Lowers MAC/switch costs by reducing the number of pins required to interface to the PHY. * Low EMI emissions logic automatically selects * Ethernet@WireSpeed on channel conditions the maximum speed based * Cable plant diagnostic TM * 1W per port * Advanced power management Provides * operatingcompatibility with IEEE standard devices at 10, 100, and 1000 Mbps at half- and full- * Robust CESD tolerance * Support for jumbo packets up to 9 KB * IEEE 1149.1 (JTAG) boundary scan * Cable plant analyzer function detects cable plant impairments * Link quality indication LED * Automatic detection and correction of wiring pair swaps, pair skew, and pair polarity Automatic MDI/MDIX crossover at all speeds * * Requires no airflow or heatsink. Reduces design high-density * applications thatconstraints in EMI emissions. have higher link to the * Automatically configures the on link support capability highest possible speed based partner Cable diagnostic function plant * condition and immediatelycharacterizes cableissues. indicates cabling High CESD * return. tolerance prevents equipment damage and Operates with larger wider range * protocol support and packets forefficiency. of packet improved Ease of manufacturing with JTAG support, * power supply, and multiple MAC interfaces.simplified * Prevents erroneous equipment return due to bad cable plants. * Prevents manufacturing fall-out due to bad cable plants. duplex. and characteristics of the channel. BCM5434 System Diagram 10/100/1000 Mbps Ethernet Switch BCM5434 BCM5434 10/100/1000BASE-T Gigabit Ethernet Transceiver 2x8 RJ-45s BCM5434 with integrated magnetics BCM5434 |
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