Multiservice Line Card Adaptive Clock Translator
Data Sheet
Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator
AD9559
FEATURES
Supports GR-1244 Str...
Description
Data Sheet
Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator
AD9559
FEATURES
Supports GR-1244 Stratum 3 stability in holdover mode Supports smooth reference switchover with virtually
no disturbance on output phase Supports Telcordia GR-253 jitter generation, transfer, and
tolerance for SONET/SDH up to OC-192 systems Supports ITU-T G.8262 synchronous Ethernet slave clocks Supports ITU-T G.823, G.824, G.825, and G.8261 Auto/manual holdover and reference switchover Adaptive clocking allows dynamic adjustment of feedback
dividers for use in OTN mapping/demapping applications Dual digital PLL architecture with four reference inputs
(single-ended or differential) 4x2 crosspoint allows any reference input to drive either PLL Input reference frequencies from 2 kHz to 1250 MHz Reference validation and frequency monitoring (2 ppm) Programmable input reference switchover priority 20-bit programmable input reference divider 4 pairs of clock output pins with each pair configu...
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