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ML6696 Datasheet(PDF) 1 Page - Micro Linear Corporation |
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ML6696 Datasheet(HTML) 1 Page - Micro Linear Corporation |
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1 / 16 page  December 1998 ML6696* 100BASE-X Fiber Physical Layer 1 GENERAL DESCRIPTION The ML6696 implements the complete physical layer of the Fast Ethernet 100BASE-X standard for fiber media. The device provides the MII (Media Independent Interface) for interface to upper-layer silicon. The ML6696 integrates the data quantizer and the LED driver, allowing the use of low cost optical PMD components. The ML6696 includes 4B/5B encoder/decoder, 125MHz clock recovery/clock generation, LED driver, and a data quantizer. The device also offers a power down mode which results in total power consumption of less than 20mA. The ML6696 is suitable for the current 100BASE-FX IEEE 803.2u standard defined using 1300nm optics, as well as for the proposed 100BASE-SX standard defined using lower cost 820nm optics BLOCK DIAGRAM FEATURES s 100BASE-FX physical layer with MII s Optimal 100BASE-SX solution (draft standard) s Integrated data quantizer (post-amplifier) s Integrated LED driver s 125MHz clock generation and recovery s 4B/5B encoding/decoding s Power-down mode * Some Packages Are Obsolete TXCLK TXER CLKREF TXEN TXD3 TXD2 TXD1 TXD0 RXCLK RXER RXDV RXD3 RXD2 RXD1 RXD0 VIN– LINK100 VIN+ MDC MDIO COL CRS PCS TRANSMIT STATE MACHINE AND 4B/5B ENCODER PCS RECEIVE STATE MACHINE AND 4B/5B DECODER SERIALIZER NRZ TO NRZI ENCODER DESERIALIZER CLOCK & DATA RECOVERY NRZI TO NRZ ENCODER CLOCK SYNTHESIZER MII SERIAL MANAGEMENT INTERFACE CARRIER & COLLISION LOGIC IOUT IOUT RTSET ECLK EDIN EDOUT CAPDC CAPB DATA QUANTIZER (POST AMPLIFIER) LED DRIVER INITIALIZATION INTERFACE |
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