Datasheet Details
- Part number
- ICS843021
- Manufacturer
- Integrated Circuit Systems
- File Size
- 217.27 KB
- Datasheet
- ICS843021_IntegratedCircuitSystems.pdf
- Description
- FEMTOCLOCKS CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843021 Description
Integrated Circuit Systems, Inc.www.DataSheet4U.com ICS843021 FEMTOCLOCKS™ CRYSTAL-TO3.3V LVPECL CLOCK GENERATOR .
The ICS843021 is a Gigabit Ethernet Clock Generator and a member of the HiPerClocksTM HiPerClockS™ family of high performance devices from ICS.
ICS843021 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 jit
ICS843021 Applications
* Inputs Crystal Frequency (MHz) 25 26.6 Output Frequency (MHz) 12 5 133
BLOCK DIAGRAM
25MHz XTAL_IN
PIN ASSIGNMENT
VCCA VEE XTAL_OUT XTAL_IN 1 2 3 4 8 7 6 5 VCC Q0 nQ0 nc
OSC
XTAL_OUT
Phase Detector
VCO
÷5
nQ0 Q0
ICS843021
÷25 (fixed)
8-Lead TSSOP 4.40mm x 3.0mm x 0.925mm package body G Pack
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