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5220-DS02-R 数据表(PDF) 1 Page - Broadcom Corporation. |
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5220-DS02-R 数据表(HTML) 1 Page - Broadcom Corporation. |
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1 / 90 page  PRELIMINARY DATA SHEET BCM5220 5220-DS04-405-R 16215 Alton Parkway • P.O. Box 57013 • Irvine, CA 92619-7013 • Phone: 949-450-8700 • Fax: 949-450-8710 04/20/04 10/100BASE-TX/FX Mini- Φ™ Transceiver Figure 1: Functional Block Diagram GENERAL DESCRIPTION FEATURES The BCM5220 is a single channel, low-power, 10/ 100BASE-TX/FX transceiver targeting a number of applications requiring intelligent power management and robust network tolerance. The BCM5220 operates at 3.3V or 2.5V. The devices contain a full-duplex 10BASE- T/100BASE-TX/100BASE-FX Fast Ethernet transceiver, which performs all of the physical layer interface functions for 10BASE-T Ethernet on CAT 3, 4, and 5 unshielded twisted pair (UTP) cable and 100BASE-TX Fast Ethernet on CAT 5 UTP cable. In addition, pin-compatibility with the BCM5221 offers the flexibility of an upgrade path. 100BASE-FX is supported through the use of external fiber-optic transmit and receive devices. The BCM5220 is a highly integrated solution combining a digital adaptive equalizer, ADC, phase lock loop, line driver, encoder, decoder and all the required support circuitry into a single monolithic CMOS chip. It complies fully with the IEEE 802.3u specification, including the Media Independent Interface (MII) and Auto-Negotiation subsections. The effective use of digital technology in the BCM5220 design results in robust performance over a broad range of operating scenarios. Problems inherent to mixed- signal implementations, such as analog offset and on- chip noise, are eliminated by employing field proven digital adaptive equalization and digital clock recovery techniques. • Power Supply: 2.5V or 3.3V • Integrated Voltage Regulator to Allow Operation from a Single Supply Source • Power Consumption: <275 mW • Unique Energy Detection Circuit to Enable Intelligent Power Management • Cable Length Indication • Cable Noise Level Indication • Robust CESD Tolerance • Cable Length Greater Than 140 meters • Well Under 10 PPM Defect Ratio Quality • +10% Voltage Tolerance • Industrial Temperature Range (-40 to 85C) • MII and 7-wire Serial Interface Configurable • IEEE 1149.1 (JTAG) Scan Chain Support • MII Management Via Serial Port • Pin-compatible with BCM5221 • 10BASE-T/100BASE-TX/FX IEEE 802.3u Fast Ethernet Transceiver • 64-pin TQFP or 64-pin BGA Package APPLICATIONS • PCMCIA/CardBus cards • LAN on motherboard • IP phones • Cable modems • Set-top boxes and print servers • Wireless access points • Embedded telecom ADC |
类似零件编号 - 5220-DS02-R |
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类似说明 - 5220-DS02-R |
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