STC5420 Datasheet PDF - Connor-Winfield Corporation

Description
   The RoHS 6/6 compliant STC5420 is a single chip clock synchronization solution for applications in SDH/SETS, SONET, and Synchronous Ethernet network elements. The device is fully compliant with ITU-T G.813 option 1 and 2, G.8262 EEC Opt1 and Opt2 and Telcordia GR1244 and GR253.

FEATUREs
- Complies with ITU-T G.813 Opt1/Opt2, G.8262 EEC Opt1/Opt2, Telcordia GR1244 and GR253 (Stratum3/4E/ 4/SMC)
- Two timing generators T0 and T4; T4 may lock to T0’s synchronized output
- Supports Master/Slave and Multiple-Master redundant application (T0 timing generator only)
- Provides programmable compensation for phase delay between master and slave unit, in 0.1ns steps
- Accepts external oscillator at frequency of 10MHz, 12.8MHz, 19.2MHz,or 20MHz with programming
- Accepts 12 clock reference inputs
- Supports frequency auto detection or manually acceptable frequency for reference inputs. Each of them is monitored for activity and quality
- Automatic/manual/hard-wired manual reference select
- Outputs 10 synchronized clock outputs, including 2 frame pulse clocks CLK8K and CLK2K
- 10 clock synthesizers generate frequencies
- Programmable phase skew in synthesizer level
- Phase-align or hit-less reference locking/switching
- Programmable loop bandwidth, from 0.1Hz to 100Hz
- Supports bus interface: Intel, Motorola, Multiplex, SPI
- Single 3.3V operation
- IEEE 1149.1 JTAG boundary scan
- Available in TQFP100 package