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Maxim Integrated - Dual-Rate Fibre Channel Repeaters

Numéro de référence MAX3774
Description Dual-Rate Fibre Channel Repeaters
Fabricant Maxim Integrated 
Logo Maxim Integrated 





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MAX3774 fiche technique
19-2192; Rev 0; 10/01
Dual-Rate Fibre Channel Repeaters
General Description
The MAX3772–MAX3775 are dual-rate (1.0625Gbps
and 2.125Gbps) fibre channel repeaters. They are opti-
mized for use in fibre channel arbitrated loop applica-
tions and operate from a +3.3V supply. The
MAX3772–MAX3775 exceed fibre channel jitter toler-
ance requirements and can recover data signals with
up to 0.7 unit interval (UI) jitter. The circuit’s fully inte-
grated phase-locked loop (PLL) provides a frequency
lock indication and does not need an external reference
clock. These repeaters provide low-jitter CML clock and
data outputs, and are pin compatible with the MAX3770
repeater (except RATESEL pin and exposed paddle).
The MAX3773/MAX3774 can also be used for imped-
ance transformation between 100(differential) and
150(differential) systems. To reduce the number of
external components, all signal inputs and outputs are
internally terminated. The MAX3772–MAX3775 are
available in 16-pin QSOP-EP packages.
Applications
1.0625Gbps/2.125Gbps Dual-Rate
Fibre Channel
Fibre Channel Data Storage Systems
Storage Area Networks
Fibre Channel Hubs
100/150(Differential) Impedance
Transformation
Features
o Pin Selectable 1.0625Gbps/2.125Gbps Dual-Rate
Fibre Channel Operation
o Exceeds Fibre Channel Jitter Tolerance
Requirements
o 1400mV Differential Output Swing
o +3.0V to +3.6V Operation
o No Reference Clock Required
o Frequency Lock Indication
o 290mW Power Consumption (MAX3775) at +3.3V
o 100/150(differential) Input/Output
Terminations
Ordering Information
PART
MAX3772CEE
MAX3773CEE
MAX3774CEE
MAX3775CEE
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
16 QSOP-EP
16 QSOP-EP
16 QSOP-EP
16 QSOP-EP
Pin Configuration appears at end of data sheet.
Selector Guide appears at end of data sheet.
Typical Operating Circuits
0.047µF
IN+ OUT+
MAX3750
IN- OUT-
Zo = 75
Zo = 75
CLK+
CLK-
IN+ OUT+
MAX3775
IN- OUT-
Zo = 75
Zo = 75
IN+ OUT+
MAX3750
IN- OUT-
3.3V 3.3V 3.3V
0.1µF
0.1µF
0.1µF
PORT BYPASS CIRCUIT
FIBRE CHANNEL REPEATER
PORT BYPASS CIRCUIT
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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