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MAX9242EUM/V+

Description
serializers & Deserializers - serdes 21-bit DC-balanced lvds deserializer
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size271KB,23 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX9242EUM/V+ Overview

serializers & Deserializers - serdes 21-bit DC-balanced lvds deserializer

MAX9242EUM/V+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP48,.3,20
Contacts48
Reach Compliance Codecompli
ECCN codeEAR99
Is SamacsysN
Differential outputYES
Input propertiesSTANDARD
Interface integrated circuit typeLINE RECEIVER
Interface standardsEIA-644; TIA-644
JESD-30 codeR-PDSO-G48
JESD-609 codee3
length12.5 mm
Humidity sensitivity level3
Number of functions1
Number of terminals48
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP48,.3,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3.3,3.3/5 V
Certification statusNot Qualified
Maximum receive delay
Number of receiver bits3
Filter levelAEC-Q100
Maximum seat height1.1 mm
Maximum supply voltage3.6 V
Minimum supply voltage3 V
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width6.1 mm
Base Number Matches1
19-3954; Rev 4; 7/09
KIT
ATION
EVALU
BLE
AVAILA
21-Bit Deserializers with Programmable
Spread Spectrum and DC Balance
General Description
The MAX9242/MAX9244/MAX9246/MAX9254 deserialize
three LVDS serial-data inputs into 21 single-ended LVC-
MOS/LVTTL outputs. A separate parallel-rate LVDS clock
provides the timing for deserialization. The MAX9242/
MAX9244/MAX9246/MAX9254 feature spread-spectrum
capability, allowing the output data and clock frequency
to spread over a specified range to reduce EMI. The sin-
gle-ended data and clock outputs are programmable for
a frequency spread of ±2%, ±4%, or no spread. The
spread-spectrum function is also available when the
MAX9242/MAX9244/MAX9246/MAX9254 operate in non-
DC-balanced mode. The modulation rate of the spread is
32kHz for a 33MHz LVDS clock input and scales linearly
with frequency. The single-ended outputs have a sepa-
rate supply, allowing +1.8V to +5V output logic levels.
The MAX9254 features high output drive current for both
data and clock outputs for faster transition times in the
presence of heavy capacitive loads.
The MAX9242/MAX9244/MAX9246/MAX9254 feature pro-
grammable DC balance, allowing isolation between a
serializer and deserializer using AC-coupling. The
MAX9242/MAX9244/MAX9246/MAX9254 operate with the
MAX9209/MAX9213 serializers and are available with a
rising-edge strobe (MAX9242) or falling-edge strobe
(MAX9244/MAX9246/MAX9254). The LVDS inputs meet
ISO 10605 ESD specifications with ±30kV Air-Gap
Discharge and ±6kV Contact Discharge ratings.
Features
Programmable ±4%, ±2%, or OFF Spread-Spectrum
Output for Reduced EMI
Programmable DC-Balanced or Non-DC-Balanced
Modes
DC Balance Allows AC-Coupling for Wider Input
Common-Mode Voltage Range
Spread Spectrum Operates in DC-Balanced or
Non-DC-Balanced Mode
High Output Drive (MAX9254)
π / 4 Deskew by Oversampling
(MAX9242/MAX9244/MAX9254)
16MHz-to-34MHz (DC-Balanced) and 20MHz-to-
40MHz (Non-DC-Balanced) Operation
(MAX9242/MAX9244/MAX9254)
6MHz-to-18MHz (DC-Balanced) and 8MHz-to-20MHz
(Non-DC-Balanced) Operation (MAX9246)
Rising-Edge (MAX9242) or Falling-Edge
(MAX9244/MAX9246/MAX9254) Output Strobe
High-Impedance Outputs when
PWRDWN
is Low
Allow Output Busing
Separate Output Supply Allows Interface to +1.8V,
+2.5V, +3.3V, and +5V Logic
LVDS Inputs Meet ISO 10605 ESD Protection at
±30kV Air-Gap Discharge and ±6kV Contact
Discharge
LVDS Inputs Meet IEC 61000-4-2 Level 4 ESD
Protection at ±15kV Air-Gap Discharge and ±8kV
Contact Discharge
LVDS Inputs Conform to ANSI TIA/EIA-644 Standard
+3.3V Main Power Supply
MAX9242/MAX9244/MAX9246/MAX9254
Applications
Automotive Navigation Systems
Automotive DVD Entertainment Systems
Digital Copiers
Laser Printers
Ordering Information
PART
MAX9242EUM
MAX9242EUM/V+
MAX9242GUM
MAX9242GUM/V+
MAX9244EUM
MAX9244EUM/V+
MAX9244GUM
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +105°C
-40°C to +105°C
-40°C to +85°C
-40°C to +85°C
-40°C to +105°C
PIN-PACKAGE
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
48 TSSOP
Selector Guide
FREQUENCY RANGE
PART
STROBE
EDGE
Rising
Falling
Falling
Falling
OVER-
SAMPLING
Yes
Yes
No
Yes
NON-DC
BALANCE
(MHz)
20 to 40
20 to 40
8 to 20
20 to 40
DC
BALANCE
(MHz)
16 to 34
16 to 34
6 to 18
16 to 34
MAX9242
MAX9244
MAX9246
MAX9254
MAX9244GUM/V+
-40°C to +105°C
48 TSSOP
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Note:
All devices are available in lead(Pb)-free/RoHS-compliant
packaging. Specify lead(Pb)-free/RoHS compliant by adding a
+ symbol at the end of the part number when ordering.
Pin Configuration appears at end of data sheet.
Ordering Information continued at end of data sheet.
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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