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MAX9390EHJMAXIMN/a2500avaiAnything-to-LVDS Dual 2 x 2 Crosspoint Switches
MAX9391EHJ+ |MAX9391EHJMAXIMN/a37avaiAnything-to-LVDS Dual 2 x 2 Crosspoint Switches


MAX9390EHJ ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesFeaturesThe MAX9390/MAX9391 dual 2 x 2 crosspoint switches  1.5GHz Operation with 250mV Differenti ..
MAX9390EHJ+ ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesFeaturesThe MAX9390/MAX9391 dual 2 x 2 crosspoint switches ♦ 1.5GHz Operation with 250mV Differenti ..
MAX9390EHJ+T ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesApplicationsGND 4 21 ENA0MAX9390High-Speed Telecom/Datacom EquipmentENB0 5 20 GNDMAX9391Central-Off ..
MAX9391EHJ+ ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesApplications MAX9391OUTB0 6 19 OUTA1High-Speed Telecom/Datacom EquipmentOUTB0 7 18 OUTA1Central-Off ..
MAX9392EHJ ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesFeaturesThe MAX9392/MAX9393 dual 2 x 2 crosspoint switches  1.5GHz Operation with 250mV Differenti ..
MAX9393ETJ+ ,Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesApplicationsBSEL0 4 21 ENA0MAX9392V 5 20 GNDHigh-Speed Telecom/Datacom Equipment CCMAX9393INB1 6 19 ..
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MAX9390EHJ-MAX9391EHJ+
Anything-to-LVDS Dual 2 x 2 Crosspoint Switches
General Description
The MAX9390/MAX9391 dual 2 x 2 crosspoint switches
perform high-speed, low-power, and low-noise signal
distribution. The MAX9390/MAX9391 multiplex one of two
differential input pairs to either or both low-voltage differ-
ential signaling (LVDS) outputs for each channel.
Independent enable inputs turn on or turn off each differ-
ential output pair.
Four LVCMOS/LVTTL logic inputs (two per channel) con-
trol the internal connections between inputs and outputs.
This flexibility allows for the following configurations: 2 x 2
crosspoint switch, 2:1 mux, 1:2 splitter, or dual repeater.
This makes the MAX9390/MAX9391 ideal for protection
switching in fault-tolerant systems, loopback switching for
diagnostics, fanout buffering for clock/data distribution,
and signal regeneration.
Fail-safe circuitry forces the outputs to a differential low
condition for undriven inputs or when the common-
mode voltage exceeds the specified range. The
MAX9390 provides high-level input fail-safe detection
for LVDS, HSTL, and other GND-referenced differential
inputs. The MAX9391 provides low-level input fail-safe
detection for LVPECL, CML, and other VCC-referenced
differential inputs.
Ultra-low 82ps(P-P)(max) pseudorandom bit sequence
(PRBS) jitter ensures reliable communications in high-
speed links that are highly sensitive to timing error,
especially those incorporating clock-and-data recovery,
or serializers and deserializers. The high-speed switch-
ing performance guarantees 1.5GHz operation and less
than 65ps (max) skew between channels.
LVDS inputs and outputs are compatible with the
TIA/EIA-644 LVDS standard. The LVDS outputs drive
100Ωloads. The MAX9390/MAX9391 are offered in a
32-pin TQFP and 5mm x 5mm thin QFN package with
exposed paddle and operate over the extended tem-
perature range (-40°C to +85°C).
Also refer to the MAX9392/MAX9393 with flow-through
pinout.
Applications

High-Speed Telecom/Datacom Equipment
Central-Office Backplane Clock Distribution
DSLAM
Protection Switching
Fault-Tolerant Systems
Features
1.5GHz Operation with 250mV Differential Output
Swing
2ps(RMS)(max) Random JitterAC Specifications Guaranteed for 150mV
Differential Input
Signal Inputs Accept Any Differential Signaling
Standard
LVDS Outputs for Clock or High-Speed DataHigh-Level Input Fail-Safe Detection (MAX9390)Low-Level Input Fail-Safe Detection (MAX9391)+3.0V to +3.6V Supply Voltage RangeLVCMOS/LVTTL Logic Inputs Control Signal
Routing
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches

19-2829; Rev 1; 7/03Functional Diagram and Typical Operating Circuit appear at
end of data sheet.
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS

(VCC= +3.0V to +3.6V, RL= 100Ω±1%, EN_ _ = VCC, VCM= 0.05V to (VCC- 0.6V) (MAX9390), VCM= 0.6V to (VCC- 0.05V)
(MAX9391) TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +3.3V, |VID| = 0.2V, VCM= +1.2V, TA= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VCCto GND...........................................................-0.3V to +4.1V
IN_ _, IN_ _, OUT_ _, OUT_ _, EN_ _,
_SEL_ to GND.........................................-0.3V to (VCC+ 0.3V)
IN_ _ to IN_ _..........................................................................±3V
Short-Circuit Duration (OUT_ _, OUT_ _)...................Continuous
Continuous Power Dissipation (TA= +70°C)
32-Pin QFP (derate 13.1mW/°C
above +70°C).............................................................1047mW
32-Pin 5mm x 5mm Thin QFN (derate 21.3mW/°C
above +70°C).............................................................1702mW
Junction-to-Ambient Thermal Resistance in Still Air
32-Pin QFP..............................................................+76.4°C/W
32-Pin 5mm x 5mm Thin QFN....................................+47°C/W
Junction-to-Case Thermal Resistance
32-Pin 5mm x 5mm Thin QFN......................................+2°C/W
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
ESD Protection (Human Body Model)
(IN_ _, IN_ _, OUT_ _, OUT_ _, EN_ _, SEL_ _)................±2kV
Soldering Temperature (10s)...........................................+300°C
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches
AC ELECTRICAL CHARACTERISTICS

(VCC= +3.0V to +3.6V, fIN1.34GHz, tR_IN= tF_IN= 125ps, RL= 100Ω±1%, |VID| >150mV, VCM= +0.075V to (VCC- 0.6V)
(MAX9390 only), VCM= +0.6V to (VCC- 0.075V) (MAX9391 only), EN_ _ = VCC, TA= -40°C to +85°C, unless otherwise noted. Typical
Note 1:
Measurements obtained with the device in thermal equilibrium. All voltages referenced to GND except VID, VOD, and ∆VOD.
Note 2:
Current into the device defined as positive. Current out of the device defined as negative.
Note 3:
DC parameters tested at TA= +25°C and guaranteed by design and characterization for TA= -40°C to +85°C.
Note 4:
Current through either output.
Note 5:
Guaranteed by design and characterization. Limits set at ±6 sigma.
Note 6:
tSKEWis the magnitude difference of differential propagation delays for the same output over same conditions. tSKEW=
|tPHL- tPLH|.
Note 7:
Measured between outputs of the same device at the signal crossing points for a same-edge transition, under the same
conditions.
Note 8:
Device jitter added to the differential input signal.
DC ELECTRICAL CHARACTERISTICS (continued)

(VCC= +3.0V to +3.6V, RL= 100Ω±1%, EN_ _ = VCC, VCM= 0.05V to (VCC- 0.6V) (MAX9390), VCM= 0.6V to (VCC- 0.05V)
(MAX9391) TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC= +3.3V, |VID| = 0.2V, VCM= +1.2V, TA= +25°C.)
(Notes 1, 2, and 3)
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches
Typical Operating Characteristics

(VCC= +3.3V, |VID| = 0.2V, VCM= +1.2V, fIN= 1.34GHz, TA= +25°C.)
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches
Pin Description (continued)
MAX9390/MAX9391
Anything-to-LVDS Dual 2 x 2
Crosspoint Switches

Figure 1. Output Transition Time and Propagation Delay Timing
Diagram
Figure 3. Input to Rising/Falling Edge Select and Mux Switch Timing Diagram
Figure 2. Test Circuit for VODand VOS
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