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BCM5238 PRODUCT (R) Brief OF BENEFITS 1 0 / 1 0 0 B A S E - T X O C TA L - TM T R A N S C E I V E R BCM5238 FEATURES SUMMARY * Single-chip, eight-port Fast Ethernet transceiver * Low-power 1.8V CMOS technology * Serial Media Independent Interface (SMII) * Source Synchronous SMII (SSSMII) * HP Auto-MDIX automatic crossover * Compatible with 2.5V I/O and 3.3V I/O * Fully integrated digital adaptive equalization * Up to 150 meters of error-free operation * Full-duplex support * Interrupt output capability * 128-pin PQFP or 256-ball BGA package * Proven Broadcom proprietary all-DSP Digi-TM architecture * Target usage: Fast Ethernet switches. * Lowest per port power solution available: < 215 milliwatts per port. * Smallest footprint per port available. * Measures 14 mm 20 mm for eight ports. * Single-chip device contains eight independent Fast Ethernet transceivers. * Performs all physical layer interface functions for 100BASE-TX full-duplex or half-duplex Ethernet on Category 5 unshielded twisted-pair (UTP) cable and 10BASE-T full or half-duplex Ethernet on Category 3, 4, or 5 UTP cable. * Compliant with IEEE 802.3 standard. * IEEE 1149.1 (JTAG) scan chain support. * Two LED indicator pins per port. 24-Port 10/100 Switch BCM5421 Gigabit PHY BCM5421 Gigabit PHY BCM5238 OCTAL- SMII Quad Magnetics Quad Magnetics Quad Magnetics BCM5238 OCTAL- SMII Quad Magnetics Quad Magnetics BCM5238 OCTAL- SMII Quad Magnetics |
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