Synchronous Equipment Timing Source PLL
  • ACS8509
  • Synchronous Equipment Timing Source for SONET or SDH Network Elements
  • ACS8510
  • Rev 2.1 Synchronous Equipment Timing Source for SONET or SDH Network Elements
  • ACS8514
  • Synchronous Equipment Timing Source Partner IC for 2nd T4 DPLL, Accurate Monitoring & Input Extender
  • ACS8515
  • Rev 2.1 Line Card Protection Switch for SONET or SDH Network Elements
  • ACS8520
  • Synchronous Equipment Timing Source (SETS) for Stratum 3/4E/4 and SMC Systems
  • ACS8520A
  • SETS Lite Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
  • ACS8522A
  • SETS LITE Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems
  • ACS8522BT
  • Synchronous Equipment Timing Source for Stratum 3/4E/4, SMC and Ethernet Systems
Semtech ACS8522

Semtech ACS8522

SETS Lite Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems

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Not Recommended for New Designs. Please contact your local Semtech sales representative.

Features


  • Suitable for Stratum 3, 4E, 4 and SONET Minimum Clock (SMC) or SONET/SDH Equipment Clock (SEC) applications (to Telcordia 1244-CORE Stratum 3 and GR-253, and ITU-T G.813 Options and specifications)
  • Accepts four individual input reference clocks, all with robust input clock source quality monitoring
  • Simultaneously generates four output clocks, plus two Sync pulse outputs
  • Absolute Holdover accuracy better than 3 x 10-10 (manual), 7.5 x 10-14 (instantaneous); Holdover stability defined by choice of external XO
  • Programmable PLL bandwidth, for wander and jitter tracking/attenuation, 0.1 Hz to 70 Hz in 10 steps
  • Automatic hit-less source switchover on loss of input
  • Serial SPI compatible interface
  • Output phase adjustment in 6 ps steps up to ± 200 ns
  • IEEE 1149.1 JTAG Boundary Scan
  • Available in LQFP 64-pin package
  • Single 3.3 V operation. 5 V tolerant
  • Lead (Pb)-free version available (ACS8522T), RoHS and WEEE compliant.

Applications


Packaging

LQFP64

Order Codes

  • ACS8522 : NCNR, 160 per tray, ok to order partial tray quantities
  • ACS8522T: Lead-free, RoHS and WEEE compliant, NCNR, 160 per tray, ok to order partial tray quantities
 
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