Integrated Circuit Systems ICS843021
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 performance, over the 1.875MHz – 20MHz integration range.| Part No. | ICS843021 |
|---|---|
| Datasheet | ICS843021 Download |
| Manufacturer |  Integrated Circuit Systems |
| Description | FEMTOCLOCKS CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR |
| Buy | Stock & Price |
FEATURES
● 1 differential 3.3V LVPECL output● Crystal oscillator interface designed for 22.4MHz - 28MHz, 18pF parallel resonant crystal
● Output frequency range: 112MHz - 140MHz
● VCO range: 560MHz to 700MHz
● Output duty cycle range: 49% - 51%
● RMS phase jitter @ 125MHz, using a 25MHz crystal (1.875MHz - 20MHz): 0.37ps (typical)
● RMS phase noise at 125MHz (typical) Offset Noise Power 100Hz ............... -94.2 dBc/Hz 1KHz .............. -122.8 dBc/Hz 10KHz .............. -132.2 dBc/Hz 100KHz .............. -131.3 dBc/Hz
● 3.3V operating supply
● 0°C to 70°C ambient operating temperature
● Industrial temperature information available upon request
● Lead-Free package fully RoHS compliant
GENERAL DESCRIPTION
The ICS843021 is packaged in a small 8-pin TSSOP, making it ideal for use in systems with limited board space. ICS FREQUENCY TABLE -TYPICAL APPLICATIONS
Inputs Crystal Frequency (MHz) 25 26.6 Output Frequency (MHz) 12 5 133 BLOCK DIAGRAM 25MHz XTAL_IN PIN ASSIGNMENT VCCA VEE XTA...
