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AD9557 Dataheets PDF



Part Number AD9557
Manufacturers Analog Devices
Logo Analog Devices
Description Dual Input Multiservice Line Card Adaptive Clock Translator
Datasheet AD9557 DatasheetAD9557 Datasheet (PDF)

Data Sheet Dual Input Multiservice Line Card Adaptive Clock Translator AD9557 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 2 reference inputs (s.

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Data Sheet Dual Input Multiservice Line Card Adaptive Clock Translator AD9557 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 2 reference inputs (single-ended or differential) Input reference frequencies: 2 kHz to 1250 MHz Reference validation and frequency monitoring (1 ppm) Programmable input reference switchover priority 20-bit programmable input reference divider 2 pairs of clock output pins, with each pair configurable as a single differential LVDS/HSTL output or as 2 single-ended CMOS outputs Output frequencies: 360 kHz to 1250 MHz Programmable 17-bit integer and 23-bit fractional feedback divider in digital PLL Programmable digital .


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