ICS843021 generator equivalent, femtoclocks crystal-to- 3.3v lvpecl clock generator.
* 1 differential 3.3V LVPECL output
* Crystal oscillator interface designed for 22.4MHz - 28MHz, 18pF parallel resonant crystal
* Output frequency range: 112M.
Inputs Crystal Frequency (MHz) 25 26.6 Output Frequency (MHz) 12 5 133
BLOCK DIAGRAM
25MHz XTAL_IN
PIN ASSIGNMENT
VCCA.
The ICS843021 is a Gigabit Ethernet Clock Generator and a member of the HiPerClocksTM HiPerClockS™ family of high performance devices from ICS. The ICS843021 uses a 25MHz crystal to synthesize 125MHz. The ICS843021 has excellent phase jitter performa.
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