ML6651CH Micro Linear, ML6651CH Datasheet

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ML6651CH

Manufacturer Part Number
ML6651CH
Description
Auto-negotiating media converter
Manufacturer
Micro Linear
Datasheet

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Part Number:
ML6651CH
Manufacturer:
MICROLINEAR
Quantity:
20 000
The ML6651 converts signals transmitted between twisted
pair and fiber optic Ethernet technologies. It supports
conversion between 10BASE-T and 10BASE-FL, between
100BASE-TX and 100BASE-FX/SX, and between FLP (fast
link pulse) bursts and FLNP (fiber link negotiation pulse)
bursts. Either 850nm or 1300nm laser optics can be used
for both 10 and 100 Mb/second operating data rates while
fully auto-negotiating for speed and duplex mode
communication. One or both of the fiber optic and
twisted pair interfaces can be set to interface with
industry standard 1x9 fiber optic PMD modules, using
PECL or LVPECL compatible modes.
GENERAL DESCRIPTION
ML6651 Auto-Negotiating Media Converter
ADVANCED DATASHEET
September 2000
FEATURES
Complete implementation of fiber optic and twisted
pair media interface
ISO/IEC 8802.3, IEEE 802.3 and TIA/EIA-785
compliance, including full auto-negotiation for twisted
pair and fiber optic media
850nm, 1300nm and 1x9 PMD modules
Supports 1:1 receiver/transmitter transformer ratio for
twisted pair
Low latency 10Mb/s path
Integrated voltage and current references
Integrated twisted pair output wave shaping eliminate
external filtering
Integrated twisted pair 10BASE-T input filter and
100BASE-TX equalizer with baseline wander correction
circuit
ADVANCED
Information

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ML6651CH Summary of contents

Page 1

ML6651 Auto-Negotiating Media Converter GENERAL DESCRIPTION The ML6651 converts signals transmitted between twisted pair and fiber optic Ethernet technologies. It supports conversion between 10BASE-T and 10BASE-FL, between 100BASE-TX and 100BASE-FX/SX, and between FLP (fast link pulse) bursts and FLNP (fiber ...

Page 2

... Order Information .......................................................................................................................................................... 10 WARRANTY Micro Linear makes no representations or warranties with respect to the accuracy, utility, or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. No license, express or implied, by estoppel or otherwise, to any patents or other intellectual property rights is granted by this document ...

Page 3

BLOCK DIAGRAM TPOUTP 1 Twisted Pair 3 TPOUTN 38 RTTP / PECL Output TPINP 10 Twisted Pair 11 TPINN 37 REQSD / PECL Input 18 REFCLK STATUS LED & Backup Link ...

Page 4

PIN CONFIGURATION TPOUTP GNDT TPOUTN AD4LIW AD32 AD10 PECLTP PECLQU VCCE TPINP TPINN PIN DESCRIPTIONS Pin # Signal Name Description 1 TPOUTP Two operating modes are available for these pins and are selected with the configuration pin PECLTP (pin 7) ...

Page 5

PIN DESCRIPTIONS (continued) Pin # Signal Name Description 38 RTTP Twisted pair or LVPECL/PECL compatible driver bias resistor. An external resistor connected between RTTP and ground sets a constant bias current for the differential output driver circuitry. These output currents ...

Page 6

PIN DESCRIPTIONS (continued) Pin # Signal Name Description IOUT 22 Fiber Optic Interface Mode: IOUT (pin 21) is the Fiber optic LED driver output while pin IOUT (pin 22) is optionally used to provide current peaking. IOUT connects to the ...

Page 7

PIN DESCRIPTIONS (continued) Pin # Signal Name Description 29 SDFO Fiber Optic Interface Mode: This pin is not used and should be connected to any potential between VCC and Ground. LVPECL/PECL Compatible Interface Mode: This input pin is connected to ...

Page 8

PIN DESCRIPTIONS (continued) Pin # Signal Name Description 8 PECLQU This pin sets the Media Converter to interface at pins FOINP/FOINN and IOUT /IOUT external PECL or LVPECL PMD LED and a fiber optic receiver. ...

Page 9

PIN DESCRIPTIONS (continued) Pin # Signal Name Description 28 GNDFC Ground for one PLL, part of the scrambler, fiber optic LED driver, and quantizer. 34 GNDQ Ground for the data quantizer and central bias. 35 GNDB Ground for part of ...

Page 10

... PHYSICAL DIMENSIONS (inches/millimeters 0.032 BSC (0.80 BSC) ORDERING INFORMATION PART NUMBER ML6651CH 10 Advanced Datasheet ADVANCED Package: H44-10 44-Pin ( 1mm) TQFP 0.472 BSC (12.00 BSC) 0.394 BSC (10.00 BSC) 34 PIN 1 ID 0.394 BSC 0.472 BSC (10.00 BSC) (12.00 BSC) 23 0.012 - 0.018 (0.29 - 0.45) 0.037 - 0.041 TEMPERATURE RANGE ...

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