MT9045

MT9045 T1/E1/OC3 System Synchronizer Features Supports AT&T TR62411 and Bellcore GR-1244CORE Stratum 3, Stratum 4 Enhanced and Stratum 4 timing for DS1 interfaces Supports ITU-T G.813 Option 1 clocks for 2048 kbit/s interfaces Supports ITU-T G.812 Type IV clocks for 1,544 kbit/s interfaces and 2,048 kbit/s interfaces Supports ETSI ETS 300 011, TBR 4, TBR 12 and TBR 13 timing for E1 interfaces Selectable 19.44 MHz, 1.544 MHz, 2.048 MHz or 8kHz input reference signals Provides C1.5, C2, C4, C6, C8, C16, and C19 (STS-3/OC3 clock divided by 8) output clock signals Provides 5 styles of 8 KHz framing pulses Holdover frequency accuracy of 0.05 PPM Holdover indication Attenuates wander from 1.9 Hz Fast lock mode Data Sheet February 2005 Ordering Information MT9045AN 48 Pin SSOP MT9045ANR 48 Pin SSOP MT9045AN1 48 Pin SSOP* MT9045ANR1 48 Pin SSOP* *Pb Free Matte Tin -40°C to +85°C Tubes Tape & Reel Tubes Tape & Reel Provides Time Interval Error (TIE) correction Accepts reference inputs from two independent sources JTAG Boundary Scan Applications Synchronization and timing control for multitrunk T1,E1 and STS-3/OC3 systems ST-BUS clock and frame pulse sources TCK TDI TMS TRST TDO PRI SEC Prioor Secoor RSEL OSCi OSCo TCLR LOCK VDD VSS Master Clock IEEE 1149.1a TIE Corrector Circuit Virtual Reference DPLL Selected Reference Reference Select MUX TIE Corrector Reference Monitor Enable Reference Select State Select State Select Inp...