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DS92LV2421

National Semiconductor
Part Number DS92LV2421
Manufacturer National Semiconductor
Description 24-bit Channel Link-II Serializer/Deserializer
Published Jul 23, 2010
Detailed Description www.DataSheet4U.com DS92LV2421/DS92LV2422 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer PRELIMINARY...
Datasheet PDF File DS92LV2421 PDF File

DS92LV2421
DS92LV2421

Overview
www.
DataSheet4U.
com DS92LV2421/DS92LV2422 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer PRELIMINARY DS92LV2421/DS92LV2422 10 to 75 MHz, 24-bit Channel Link II Serializer and Deserializer General Description The DS92LV2421 (Serializer) / DS92LV2422 (Deserializer) chipset translates a parallel 24–bit LVCMOS data interface into a single high-speed CML serial interface with embedded clock information.
This single serial stream eliminates skew issues between clock and data, reduces connector size and interconnect cost for transferring a 24-bit or less, bus over FR-4 printed circuit board backplanes, balanced cables, and optical fiber.
In addition to the 24-bit data bus interface, the DS92LV2421 and DS92LV2422 also features a 3-bit control bus for slow speed signals.
This allows implementing video and display applications with up to 24–bits per pixel (RGB), or embedding audio information with compressed video formats.
Programmable transmit de-emphasis, receive equalization, on-chip scrambling and DC balancing enables longer distance transmission over lossy cables and backplanes.
The DS92LV2422 automatically locks to incoming data without an external reference clock or special sync patterns, providing easy “plug-and-go” operation.
EMI is minimized by the use of low voltage differential signaling, receiver drive strength control, and spread spectrum clocking capability.
The DS92LV2421, DS92LV2422 chipset is programmable though an I2C interface as well as through pins.
A built-in ATSPEED BIST feature validates link integrity and may be used for system diagnostics.
The DS92LV2421 is offered in a 48-pin LLP and the DS92LV2422 is offered in a 60-pin LLP package.
Both devices operate over the full industrial temperature range of -40° C to +85°C.
May 25, 2010 Features ■ ■ ■ ■ ■ ■ ■ ■ ■ 24–bit data, 3–bit control, 10 – 75 MHz clock AC coupled STP interconnect cable up to 10 meters Integrated terminations on Ser and Des AT-SPEED link BIST mode and reporting ...


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