m21450 Mindspeed Technologies, m21450 Datasheet
m21450
Manufacturer Part Number
m21450
Description
M21450 6.5 Gbps Dual-channel Backplane Signal Conditioner
Manufacturer
Mindspeed Technologies
Datasheet
1.M21450.pdf
(2 pages)
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The M21450 is a dual channel device designed to enable the transmission of multi gigabit serial data through the most
challenging environments. The device features two independent adaptive equalizers that automatically equalize data
at rates up to 6.5 Gbps. Control of key functions of the M21450 is provided through hardware pins, and full register
control of the M21450 is provided through an I2C compatible software control interface. The M21450 can also self-
configure from an external EEPROM without the need for a host processor. For compatibility with PCI-Express and
S-ATA/SAS systems, the M21450 is designed with an electrical idle pass-through function to drive the differential
output to the common mode level during OOB signaling. Boundary scan is provided for high-speed input and output pins,
and the device is available in a 6x6 mm, 40 pin QFN package.
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Product Overview
M21450
Full non-blocking switch matrices
SMPTE 424M, 344M, 292M, and 259M compatible, DVB-
ASI
40 dB equalization and 6 dB of de-emphasis available
Low power dissipation at 140 mW per channel
6x6 mm, 40-pin QFN package
Out of band (OOB) signaling support
Protocol agnostic
1.2 Volt core / optional 1.2, 1.8 or 2.5 Volt IO
Extended temperature range (-20ºC to +85 ºC)
Data rate independent
program m able D eEm phasis
D riv er and E qualiz er
M
Output drivers w ith
6.5 Gbps Dual-Channel Backplane Signal Conditioner
21450
Features
Fig. 1 - M21450 Application Diagram
trace at 6.5 G bps
U p to 40" of F R -4
One of tw o channels show n
Ultimate flexibility for switching and copying signals
Robust video compatibility
Maximizes transmission length
Minimizes thermal management costs
Provides space efficiency and reliability
Allows for seamless integration into PCIe, SATA, and SAS
One device supports multiple applications
Flexibility to use right power performance
Provides additional margin for most applications
Operates to 6.5 Gbps, no reference clock required
C losed eye after
long PC B trace
Adaptive Input Equalizers
D riv er and E qualiz er
M
Benefits
21450
Open eye after
equalization
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m21450 Summary of contents
Page 1
... The device features two independent adaptive equalizers that automatically equalize data at rates up to 6.5 Gbps. Control of key functions of the M21450 is provided through hardware pins, and full register control of the M21450 is provided through an I2C compatible software control interface. The M21450 can also self- configure from an external EEPROM without the need for a host processor ...
Page 2
... Fig M21450 Application Diagram Non - Blocking Switch Matrix www.mindspeed.com/salesoffices © 2007 Mindspeed Technologies, Inc. All rights reserved. Mindspeed and the Mindspeed logo are trademarks of Mindspeed Technologies. All other trademarks are the property of their respec- General Information: (949) 579-3000 tive owners. Although Mindspeed Technologies strives for accuracy in all its publications, this Headquarters – ...