Synchronization modules

Hitless schwitching synchronization modules

Part type	Description	Frequency  range [MHz]	Output level	Supply   voltage   [V]	Operating temperature [°C]	Dimensions  [mm]
SY05-HLPL  (149 kB)	Dual input/output high frequency hitless switching PLL synchronizer based on VCXO, designed for ATM, PDH, SDH and SONET systems: digital PLL hitless switching between two reference inputs with selectable frequencies in the range from 8 kHz to 77.76 MHz two LVPECL differential outputs: the main output up to 777.6 MHz, secondary output at main frequency divided by 2,4 or 8 four timing modes: free-run, locked to reference 1, locked to reference 2, loop-back timing	1.024 ~ 777.6	LVPECL	3.3	-20 ~ +70	50.0 x 50.0 x 8.3 (DIP 28-pin)
SY05-HF  (187 kB)	Multi output high frequency hitless switching PLL synchronizer based on VCXO, designed for ATM, PDH, SDH and SONET systems: digital PLL hitless switching between two reference inputs with selectable frequencies in the range from 8 kHz to 77.76 MHz up to four LVPECL differential outputs and two LVCMOS outputs up to 777.6 MHz four timing modes: free-run, locked to reference 1, locked to reference 2, loop-back timing	51.84 ~ 777.6	LVPECL LVCMOS	3.3	-40 ~ +85	46.2 x 46.2 x 13.2 (DIP 34-pin)