+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass Single +3.3

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+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass Single +3.3

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19-4792; 1/99
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass
Single +3.3V Supply Jitter: 10ps Power Consumption 190mW (MAX3750) 180mW (MAX3751) Large Output Signal Swing: >1000mVp-p Mismatch Tolerant Output Driver Stage Differential On-Chip Termination Inputs On-Chip Back Termination Output Ports
MAX3750/MAX3751
MAX3750/MAX3751 +3.3V, Fibre Channel port bypass that include high-speed multiplexer output buffer stage swapping storage device. These devices optimized Fibre Channel arbitrated loop topology. MAX3750 2.125Gbps data rate, while MAX3751's data rate 1.0625Gbps. Total power consumption (including output currents) low: just 190mW MAX3750 180mW MAX3751. 10ps jitter makes these devices ideal cascaded topologies. output driver circuitry tolerant load mismatches commonly caused board vias inductive connectors. On-chip termination reduces external part count simplifies board layout.
Applications
2.125Gbps Fibre Channel Arbitrated Loop 1.0625Gbps Fibre Channel Arbitrated Loop Mass Storage Systems RAID/JBOD Applications
PART MAX3750CEE MAX3751CEE
Ordering Information
TEMP. RANGE +70°C +70°C PIN-PACKAGE QSOP QSOP
Typical Application Circuit
FC-AL DISK DRIVE FC-AL DISK DRIVE FC-AL DISK DRIVE LOUTLOUT+ OUT+ OUTC4 3.3V OUT+ OUTC6 3.3V LOUT+ LOUTINVCC 3.3V INLIN+
LOUT+ LOUTLIN-
LIN-
LIN+
OUT+ OUTIN+
MAX3750 MAX3751
LIN+
MAX3750 MAX3751
MAX3750 MAX3751
MICROPROCESSOR
C1-C8 100nF
THREE MAX3750/MAX3751s CASCADED FC-AL APPLICATION
Configuration appears data sheet.
Maxim Integrated Products
free samples latest literature: http://www.maxim-ic.com, phone 1-800-998-8800. small orders, phone 1-800-835-8769.
LIN-
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass MAX3750/MAX3751
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC.-0.5V +5.0V Voltage LOUT+, LOUT-, OUT+, OUT- .(VCC 1.65V) (VCC 0.5V) Current LOUT+, LOUT-, OUT+, OUT- .±22mA Voltage SEL, LIN+, LIN-, IN+, .-0.5V (VCC 0.5V) Differential Voltage (LIN+ LIN-), (IN+ IN-).±2V Continuous Power Dissipation +70°C) QSOP (derate 8.3mW/°C above +70°C) .667mW Operating Temperature Range .-40°C +85°C Storage Temperature Range .-55°C 150°C Lead Soldering Temperature (soldering, 10sec).+300°C
ELECTRICAL CHARACTERISTICS
(VCC +3.0V +3.6V, +70°C, unless otherwise noted. Typical values +3.3V +25°C.) PARAMETER Supply Current Data Input Voltage Swing Differential Input Impedance Output Voltage LOUT± OUT± Input Current Input Input High Note Output currents included. CONDITIONS MAX3750 (Note MAX3751 (Note Total differential signal, peak-to-peak load, total differential signal, peak-to-peak 1000 -0.3 2200 1600 UNITS
ELECTRICAL CHARACTERISTICS
(VCC +3.0V +3.6V, +70°C, unless otherwise noted. Typical values +3.3V +25°C.) PARAMETER Data Rate Data Input Voltage Swing Output Edge Speed OUT±, LOUT± Deterministic Jitter OUT±, LOUT±, LIN± OUT± Random Jitter OUT±, LOUT±, LIN± OUT± Prop Delay OUT±, LOUT±, LIN± OUT± MAX3750 MAX3751 Total differential signal, peak-to-peak MAX3750 MAX3751 MAX3750, peak-to-peak (Notes MAX3751, peak-to-peak (Notes MAX3750, (Note MAX3751, (Note MAX3750 MAX3751 CONDITIONS 2.125 1.0625 2200 UNITS Gbps
Note Input 150ps, 80%. Note Input 300ps, 80%. Note Deterministic jitter measured with bits k28.5 pattern (00111110101100000101).
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass
Typical Operating Characteristics
(VCC 3.3V, +25°C, unless otherwise noted.)
MAX3750/MAX3751
SUPPLY CURRENT TEMPERATURE
SUPPLY CURRENT (mA) MAX3750 MAX3751 TEMPERATURE (°C)
MAX3750/51 toc01
Description
NAME LOUT+ LOUTOUT+ OUTSEL LINLIN+ ININ+ Electrical Ground Noninverted Port Data Output Inverted Port Data Output Noninverted Data Output Inverted Data Output Select Input: Low: OUT± High: LIN± OUT± Inverted Port Data Input Noninverted Port Data Input Positive Supply Voltage Inverted Data Input Noninverted Data Input FUNCTION
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass MAX3750/MAX3751
_Circuit Description
simplified block diagram single port bypass shown Figure drive input buffer (INBUFF) with internal differential input termination. INBUFF drives output buffer (LOBUFF) input multiplexer (MUX). input selects signal path INBUFF through output buffer (OUTBUFF). When high logic level present signal path into LIBUFF, through MUX, OUTBUFF.
Layout Techniques
MAX3750/MAX3751 high-frequency products. performance circuit largely dependent upon layout circuit board. multilayer circuit board with dedicated ground planes. Power supplies should capacitively bypassed ground plane with surface-mount capacitors placed near power-supply pins.
Low-Frequency Cutoff
low-frequency cutoff determined input resistance coupling capacitor illustrated following equation: (2RC) typical system where 100nF, resulting 10kHz.
LOUT+
LOUT-
LIN+
LOBUFF
LINLIBUFF
OUTBUFF INBUFF IND1 OUTVCC OUT+
MAX3750 MAX3751
TTLIN
NOTE: INTERNAL INPUT/OUTPUT SCHEMATICS DETAILED TERMINATIONS (FIGURES 2-5).
Figure MAX3750/MAX3751 Block Diagram
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass MAX3750/MAX3751
STRUCTURES (L)OUT+
(L)OUT-
STRUCTURE
Figure LOUT/OUT Pins Internal Input/Output Schematic
Figure Internal Input/Output Schematic
STRUCTURE IN(L)IN75 OUT+
OUT+
(L)IN+
MAX3750 MAX3751
OUT-
MAX3750 MAX3751
OUT-
Figure LIN/IN Pins Internal Input/Output Schematic
Figure Termination Applications
+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass MAX3750/MAX3751
Configuration
VIEW
LOUT+ LOUT- OUT+ OUT-
MAX3750 MAX3751
LIN+ LIN9
QSOP
Package Information
QSOP.EPS
Maxim cannot assume responsibility circuitry other than circuitry entirely embodied Maxim product. circuit patent licenses implied. Maxim reserves right change circuitry specifications without notice time.
_Maxim Integrated Products, Gabriel Drive, Sunnyvale, 94086 408-737-7600 1999 Maxim Integrated Products Printed registered trademark Maxim Integrated Products.

+3.3V, 2.125Gbps/1.0625Gbps Fibre Channel Port Bypass Single +3.3

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