m21262 Mindspeed Technologies, m21262 Datasheet
m21262
Manufacturer Part Number
m21262
Description
Cdr/reclocker With 4 1 Input Multiplexer
Manufacturer
Mindspeed Technologies
Datasheet
1.M21262.pdf
(71 pages)
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M21262
CDR/Reclocker with 4:1 Input Multiplexer
The M21262 is a CDR/reclocker with 4:1 input multiplexer for telecom, datacom, and HD/SD video applications. Each output
channel has an independent multi-rate CDR capable of operating at data rates between 42 Mbps and 3.2 Gbps.
The M21262 can be controlled either through hardwired pins or through a serial programming interface. The hardwired mode
eliminates the need for an external microcontroller to configure the device. The serial programming interface allows complete
control of the device and is available as a two-wire or a four-wire interface.
The M21262 device supports JTAG external boundary scan, which includes all of the high-speed I/O as well as the traditional
digital I/O.
Features
• CDR/Reclocker with 4:1 input mutliplexer
• Integrated loop filter and terminations
• Serial control or hardwired control, JTAG boundary scan
• Low power consumption of 405 mW (all channels active)
• Built-in pattern generator and receiver for module and system
• User Selectable Input Equalization and Pre-Emphasis for backplane
21262-DSH-001-C
testing (PRBS, 8b/10b, Fibre Channel, User Programmable patterns)
ISI reduction
Din0 [P/N]
Din1 [P/N]
Din2 [P/N]
Din3 [P/N]
Serial Interface/Hardwired Mode
Multifunction Pin Array
Mindspeed Proprietary and Confidential
Mindspeed Technologies
Transmitter
BIST
Functional Block Diagram
Applications
• HD/SD-SDI Routing Switchers, Distribution amplifiers, and transport
• SONET systems and modules
• 10 GBASE-CX4 systems
• Gigabit Ethernet systems
• PCI-Express
• SAS/S-ATA/S-ATA2 systems
Standards Compliance
• SMPTE 292M
• SMPTE 259M
• SMPTE 344M
• SMPTE 424M
systems
JTAG
®
Receiver
BIST
Regulator
Voltage
Dout [P/N]
April 2008
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