VSC6511 Datasheet, PDF (8/22 Pages) Vitesse Semiconductor Corporation – SMPTE-292M Serializer, Deserializer, and Deserializer/Reclocker at 1.485Gb/s

VITESSE
SEMICONDUCTOR CORPORATION
SMPTE-292M Serializer, Deserializer, and
Deserializer/Reclocker at 1.485Gb/s
Advance Product Information
VSC6511
Functional Description: Serializer Mode
The following functional blocks are used in the Serializer mode of operation. Please refer to the Functional
Description at the beginning of this document for the a description of each of these blocks.
Clock Multiplier Unit (CMU)
CRC Generator
Scrambler and NRZI Encoder
Serializer
Cable Driver Outputs
Table 3: Transmit AC Characteristics (Serializer Mode)
Parameters
T₁
T₂
T_R,T_F
T_RJ
Description
D[0:19] Setup time to the
rising edge of REFCLK
D[0:19] hold time after the
rising edge of REFCLK
SDO0, SDO1 rise/fall time
SDO0/SDO1 output jitter
Min
Max Units
Conditions
Measured from the valid data
2.0
—
ns. level of D[0:19] to the crossing
of REFCLK
1.5
—
ns.
150
270
ps.
20% to 80%, 75 Ohm load to
Vdd, Tested on a sample basis
—
0.20
UI
Figure 4: Transmit Timing Waveforms (Serializer mode)
REFCLK
D[19:0]
Data Valid
T₁
T₂
Data Valid
Data Valid
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G52311-0, Rev 2.0
4/10/00