DS90CR483A, DS90CR484A
www.ti.com
SNLS291A – APRIL 2008 – REVISED APRIL 2013
DS90CR483A / DS90CR484A 48-Bit LVDS Chan...
DS90CR483A, DS90CR484A
www.ti.com
SNLS291A – APRIL 2008 – REVISED APRIL 2013
DS90CR483A / DS90CR484A 48-Bit LVDS Channel Link SER/DES – 33 - 112 MHz
Check for Samples: DS90CR483A, DS90CR484A
FEATURES
1
2 Up to 5.38 Gbits/sec Bandwidth
33 MHz to 112 MHz Input Clock Support
LVDS SER/DES Reduces Cable and Connector Size
Pre-emphasis Reduces Cable Loading Effects
DC Balance Data Transmission Provided by Transmitter Reduces ISI Distortion
Cable Deskew of +/−1 LVDS Data Bit Time (up to 80 MHz Clock Rate)
5V Tolerant TxIN and Control Input Pins
Flow Through Pinout for Easy PCB Design
+3.3V Supply
Voltage
Transmitter Rejects Cycle-to-Cycle Jitter
Conforms to ANSI/TIA/EIA-644-1995 LVDS Standard
Both Devices are Available in 100 Lead TQFP Package
DESCRIPTION
The DS90CR483A transmitter converts 48 bits of
CMOS/TTL data into eight LVDS (Low
Voltage Differential Signaling) data streams. A phase-locked transmit clock is transmitted in parallel with the data streams over a ninth LVDS link. Every cycle of the transmit clock 48 bits of input data are sampled and transmitted. The DS90CR484A receiver converts the LVDS data streams back into 48 bits of
CMOS/TTL data. At a transmit clock frequency of 112MHz, 48 bits of TTL data are transmitted at a rate of 672Mbps per LVDS data channel. Using a 112MHz clock, the data throughput is 5.38Gbit/s (672Mbytes/s).
The multiplexing of data lines provides a substantial cable reduction. Long distance parallel single-ended buses t...