Description
The STC3500 is an integrated single chip solution for the 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-CORE and ITU-T G.812/G.813.
Features
- Complies with Telcordia GR-1244-CORE, GR-253-CORE, and ITU-T G.812/G.813.
- Supports Master/Slave operation.
- Supports Free Run, Locked, and Hold Over modes.
- Accepts 8 reference inputs from 8 kHz to 77.76 MHz and one 8 kHz cross reference.
- Continuous input reference quality monitoring.
- Input reference frequencies are automatically detected.
- Automatic or manual selection for active reference.
- Supports hardwire pins to select ac.