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SCS3015
The SCS3015 is an
integrated chip solution for the Stratum 3 Synchronous Timing Source in SONET/SDH
network elements. The device generates four synchronous clocks, including BITS,
and is fully compliant with Telcordia GR-1244-CORE, GR-253 and ITU-T
G.812/G.813.
SCS30XX parts
provide industry leading low jitter performance, seamless output clocks, and
easy-to-use control interfaces. The SCS3015 is optimized for essential
operational functionality and minimal control requirements.
 | Supports Master/Slave
operation |
| Supports freerun, locked,
and holdover modes |
| Accepts 2 reference
inputs and one cross reference from 8KHz to 77.76MHz |
| Continuous Input
reference quality monitoring |
| Input reference
frequencies are automatically detected |
| Four output signals: one
selectable up to 155.52MHz, one fixed at 8KHz, one multi-frame sync fixed
at 2Khz, and 1.544Mhz or 2.048Mhz BITS output |
| Output phase is
adjustable in slave mode |
| Frequency ramp control
during reference switching |
| Hit-less reference
switching |
| Phase build-out on lock
and reference and master/slave switching |
| 10-6 ppm
holdover accuracy |
| Seven configurable filter
bandwidths - .025 Hz to 1.6 Hz |
| Supports SPI bus
interface |
