19-2828; Rev 2; 2/04
Programmable DC-Balanced
21-Bit Serializers
General Description
The MAX9209/MAX9211/MAX9213/MAX9215 serialize
21 bits of LVTTL/LVCMOS parallel input data to three
LVDS outputs. A parallel rate clock on a fourth LVDS
output provides timing for deserialization.
The MAX9209/MAX9211/MAX9213/MAX9215 feature
programmable DC balance, which allows isolation
between the serializer and deserializer using AC-cou-
pling. The DC balance circuits on each channel code
the data, limiting the imbalance of transmitted ones and
zeros to a defined range. The companion MAX9210/
MAX9212/MAX9214/MAX9216 deserializers decode the
data. When DC balance is not programmed, the serial-
izers are compatible with non-DC-balanced, 21-bit seri-
alizers like the DS90CR215 and DS90CR217.
Two frequency ranges and two DC-balance default
conditions are available for maximum replacement flexi-
bility and compatibility with existing non-DC-balanced
serializers.
The MAX9209/MAX9211/MAX9213/MAX9215 are avail-
able in TSSOP and space-saving thin QFN packages,
and operate from a single +3.3V supply over the -40掳C
to +85掳C temperature range.
Features
鈾?/div>
Programmable DC-Balanced or Non-DC-Balanced
Operation
鈾?/div>
DC Balance Allows AC-Coupling for Ground-Shift
Tolerance
鈾?/div>
As Low as 8MHz Operation
鈾?/div>
Pin Compatible with DS90CR215 and DS90CR217
in Non-DC-Balanced Mode
鈾?/div>
Integrated 110鈩?(DC-Balanced) and 410鈩?(Non-
DC-Balanced) Output Resistors
鈾?/div>
5V Tolerant LVTTL/LVCMOS Data Inputs
鈾?/div>
PLL Requires No External Components
鈾?/div>
Up to 1.785Gbps Throughput
鈾?/div>
LVDS Outputs Meet IEC 61000-4-2 and ISO 10605
Requirements
鈾?/div>
LVDS Outputs Conform to ANSI TIA/EIA-644
LVDS Standard
鈾?/div>
Low-Profile 48-Lead TSSOP and Space-Saving
QFN Packages
鈾?/div>
-40掳C to +85掳C Operating Temperature Range
鈾?/div>
+3.3V Supply
MAX9209/MAX9211/MAX9213/MAX9215
Applications
Automotive Navigation Systems
Automotive DVD Entertainment Systems
Digital Copiers
Laser Printers
Ordering Information
Functional Diagram
PART
MAX9209ETM*
MAX9209EUM
TEMP RANGE
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
48 Thin QFN-EP**
48 TSSOP
48 Thin QFN-EP**
48 TSSOP
48 Thin QFN-EP**
48 TSSOP
48 Thin QFN-EP**
48 TSSOP
MAX9209
MAX9211
MAX9213
MAX9215
TxIN 0 - 20
TIMING
CONTROL
21
PARALLEL-TO-
SERIAL
CONVERTER
AND
DC-BALANCE
LOGIC
MAX9211ETM*
LVDS DRIVER 0
TxOUT0+
TxOUT0-
LVDS DRIVER 1
TxOUT1+
TxOUT1-
LVDS DRIVER 2
TxOUT2+
TxOUT2-
LVDS CLK
TxCLK OUT+
MAX9211EUM*
MAX9213ETM*
MAX9213EUM
MAX9215ETM*
MAX9215EUM*
DCB/NC
*Future
product鈥攃ontact factory for availability.
**EP
= Exposed pad.
TxCLK IN
PLL
7X OR 9X
CLOCK
GENERATOR
TxCLK OUT-
Pin Configurations appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
MAX9209 PDF文件相关型号
MAX9211,MAX9213,MAX9215
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