MAX9393 Maxim, MAX9393 Datasheet

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MAX9393

Manufacturer Part Number
MAX9393
Description
The MAX9392/MAX9393 dual 2 x 2 crosspoint switches perform high-speed, low-power, and low-noise signal distribution
Manufacturer
Maxim
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
MAX9393EHJ+
Manufacturer:
MAXIM/美信
Quantity:
20 000
The MAX9392/MAX9393 dual 2 x 2 crosspoint switches
perform high-speed, low-power, and low-noise signal
distribution. The MAX9392/MAX9393 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 MAX9392/MAX9393 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
MAX9392 provides high-level input fail-safe detection
for LVDS, HSTL, and other GND-referenced differential
inputs. The MAX9393 provides low-level input fail-safe
detection for LVPECL, CML, and other V
differential inputs.
Ultra-low 98ps
(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 67ps (max) skew between channels.
LVDS inputs and outputs are compatible with the
TIA/EIA-644 LVDS standard. The LVDS outputs drive
100Ω loads. The MAX9392/MAX9393 are offered in
a 32-pin TQFP package and operate over the extended
temperature range (-40°C to +85°C).
Also see the MAX9390/MAX9391 for the crossflow version.
19-2913; Rev 1; 5/07
Functional Diagram and Typical Operating Circuit appear at
end of data sheet.
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.
High-Speed Telecom/Datacom Equipment
Central-Office Backplane Clock Distribution
DSLAM
Protection Switching
Fault-Tolerant Systems
(
P-P)
________________________________________________________________ Maxim Integrated Products
(max) pseudorandom bit sequence
General Description
Applications
CC
-referenced
Anything-to-LVDS Dual 2 x 2
♦ 1.5GHz Operation with 250mV Differential Output
♦ 2ps
♦ AC Specifications Guaranteed for 150mV
♦ Signal Inputs Accept Any Differential Signaling
♦ LVDS Outputs for Clock or High-Speed Data
♦ High-Level Input Fail-Safe Detection (MAX9392)
♦ Low-Level Input Fail-Safe Detection (MAX9393)
♦ 3.0V to 3.6V Supply Voltage Range
♦ LVCMOS/LVTTL Logic Inputs Control Signal
+Denotes a lead-free package.
MAX9392EHJ
MAX9392EHJ+
MAX9393EHJ
MAX9393EHJ+
TOP VIEW
Swing
Differential Input
Standard
Routing
PART
BSEL0
BSEL1
Crosspoint Switches
GND
INB0
INB0
INB1
INB1
RMS
V
CC
1
4
7
2
3
5
6
8
(max) Random Jitter
+
32
9
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
31
10
Ordering Information
30
11
MAX9392
MAX9393
TQFP
29
12
Pin Configurations
28
13
27
14
PIN-
PACKAGE
32 TQFP
32 TQFP
32 TQFP
32 TQFP
26
15
16
25
Features
24 V
23 OUTA0
22
21
20
19
18
17
OUTA0
ENA0
GND
OUTA1
OUTA1
ENA1
CC
CODE
H32-1
H32-1
H32-1
H32-1
PKG
1

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MAX9393 Summary of contents

Page 1

... Rev 1; 5/07 General Description The MAX9392/MAX9393 dual crosspoint switches perform high-speed, low-power, and low-noise signal distribution. The MAX9392/MAX9393 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 ...

Page 2

... DC ELECTRICAL CHARACTERISTICS = 100Ω ±1%, EN_ 3.0V to 3.6V (MAX9393 -40°C to +85°C, unless otherwise noted. Typical values are unless otherwise noted.) (Notes 1, 2, and 3) PARAMETER LVCMOS/LVTTL INPUTS (EN_ _, _SEL_) Input High Voltage ...

Page 3

... Output Shorted to GND) Output Short-Circuit Current (Outputs Shorted Together) SUPPLY CURRENT Supply Current AC ELECTRICAL CHARACTERISTICS ≤ 1.34GHz 3.0V to 3.6V R_IN only 0. 0.075V) (MAX9393 only), EN_ 3.3V 0.2V 1.2V PARAMETER SYM _SEL_ to Switched Output t SWITCH ...

Page 4

... R 130 120 -40 - TEMPERATURE (°C) MAX9393 DIFFERENTIAL INPUT CURRENT vs. TEMPERATURE 3. 0. -40 - TEMPERATURE (°C) MAX9393 INPUT CURRENT vs. V ILD 80 IN_ _ OR IN_ 3. -10 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 V (V) ILD 60 ...

Page 5

... CC 24, 29 capacitors as close to the device as possible, with the 0.01µF capacitor closest to the device. LVDS/HSTL (MAX9392) or LVPECL/CML (MAX9393) Noninverting Input. An internal 128kΩ resistor to V the input high when unconnected (MAX9392). An internal 68kΩ resistor to GND pulls the input low when 6 INB1 unconnected (MAX9393). LVDS/HSTL (MAX9392) or LVPECL/CML (MAX9393) Inverting Input. An internal 128kΩ ...

Page 6

... ASEL0 (INA1) set of inputs. An internal 435kΩ resistor pulls ASEL0 low when unconnected. LVDS/HSTL (MAX9392) or LVPECL/CML (MAX9393) Noninverting Input. An internal 128kΩ resistor INA1 the input high when unconnected (MAX9392). An internal 68kΩ resistor to GND pulls the input low when unconnected (MAX9393). LVDS/HSTL (MAX9392) or LVPECL/CML (MAX9393) Inverting Input. An internal 128kΩ ...

Page 7

... 50 Figure 2. Test Circuit for V OD and 1.5V IN_0 SWITCH - V IN_ _ IN_ _ OUT_ _ V 1/4 MAX9392/MAX9393 IN_ _ IN_ _ OUT_ _ ΔV = ⎪ *⎪ ΔV = ⎪ *⎪ AND V ...

Page 8

... Anything-to-LVDS Dual Crosspoint Switches 1/4 MAX9392/MAX9393 C L IN_ _ IN_ _ PULSE GENERATOR C L 50Ω = 100Ω ± 1.0pF L Figure 4. Output Active-to-Disable and Disable-to-Active Test Circuit and Timing Diagram PULSE GENERATOR 50Ω 50Ω Figure 5. Output Transition Time, Propagation Delay, and Output Channel-to-Channel Skew Test Circuit ...

Page 9

... EMI emissions and system susceptibility to noise. The MAX9392/MAX9393 1.5GHz dual crosspoint switches optimize high-speed, low-power, point-to- point interfaces. The MAX9392 accepts LVDS and HSTL signals, while the MAX9393 accepts LVPECL and CML signals ...

Page 10

... Leave unused inputs unconnected or connect to V for the MAX9392 or to GND for the MAX9393. The output common-mode voltage is not properly established if the LVDS output is higher than 0.6V when the supply voltage is ramping up at power-on ...

Page 11

... Anything-to-LVDS Dual 3.0V TO 3.6V 0.1μF 0.01μ 50Ω INA0 0 100Ω MAX9392 Z = 50Ω INA0 MAX9393 0 INA1 INA1 INB0 INB0 INB1 INB1 ENA0 ENA1 ENB0 ENB1 LVCMOS/LVTTL LOGIC INPUTS ASEL0 ASEL1 BSEL0 BSEL1 GND GND GND ______________________________________________________________________________________ Crosspoint Switches ...

Page 12

... Anything-to-LVDS Dual Crosspoint Switches Functional Diagram INA0 0 INA0 1 INA1 1 INA1 0 0 OUTB0 OUTB0 ENB0 1 BSEL0 1 OUTB1 OUTB1 ENB1 0 BSEL1 12 ______________________________________________________________________________________ TRANSISTOR COUNT: 1565 PROCESS: BIPOLAR MAX9392 MAX9393 OUTA0 OUTA0 ENA0 ASEL0 OUTA1 OUTA1 ENA1 ASEL1 INB0 INB0 INB1 INB1 Chip Information ...

Page 13

... For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ Anything-to-LVDS Dual Crosspoint Switches PACKAGE OUTLINE, 32L TQFP, 5x5x1.0mm Package Information 1 21-0110 ...

Page 14

... Pages changed at Rev 1: 1– 10–14 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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