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DS90CR282

National Semiconductor
Part Number DS90CR282
Manufacturer National Semiconductor
Description 28-Bit Channel Link
Published Oct 17, 2017
Detailed Description DS90CR281/DS90CR282 28-Bit Channel Link July 1997 DS90CR281/DS90CR282 28-Bit Channel Link General Description The DS9...
Datasheet PDF File DS90CR282 PDF File

DS90CR282
DS90CR282

Overview
DS90CR281/DS90CR282 28-Bit Channel Link July 1997 DS90CR281/DS90CR282 28-Bit Channel Link General Description The DS90CR281 transmitter converts 28 bits of CMOS/TTL data into four LVDS (Low Voltage Differential Signaling) data streams.
A phase-locked transmit clock is transmitted in parallel with the data streams over a fifth LVDS link.
Every cycle of the transmit clock 28 bits of input data are sampled and transmitted.
The DS90CR282 receiver converts the LVDS data streams back into 28 bits of CMOS/TTL data.
At a transmit clock frequency of 40 MHz, 28 bits of TTL data are transmitted at a rate of 280 Mbps per LVDS data channel.
Using a 40 MHz clock, the data throughput is 1.
12 Gbit/s (140 Mbytes/s).
The multiplexing of the data lines provides a substantial cable reduction.
Long distance parallel single-ended buses typically require a ground wire per active signal (and have very limited noise rejection capability).
Thus, for a 28-bit wide data bus and one clock, up to 58 conductors a...


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