FEMTOCLOCKS- CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER
Integrated Circuit Systems, Inc.
ICS843004I-04
www.DataSheet4U.com
FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO3.3V LVPECL FREQUENCY...
Description
Integrated Circuit Systems, Inc.
ICS843004I-04
www.DataSheet4U.com
FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO3.3V LVPECL FREQUENCY SYNTHESIZER
FEATURES
Four LVPECL outputs Selectable crystal oscillator interface or LVCMOS/LVTTL single-ended input Supports the following applications: SONET/SDH, SATA, or 10Gb Ethernet Output frequency range: 140MHz - 170MHz, 560MHz - 680MHz VCO range: 560MHz - 680MHz Crystal oscillator and CLK range: 17.5MHz - 21.25MHz RMS phase jitter @ 622.08MHz output, using a 19.44MHz crystal (12kHz - 20MHz): 0.82ps (typical) RMS phase jitter @ 156.25MHz output, using a 19.53125MHz crystal (1.875MHz - 20MHz): 0.57ps (typical) RMS phase jitter @ 155.52MHz output, using a 19.44MHz crystal (12kHz - 20MHz): 0.94ps (typical) Full 3.3V supply mode -40°C to 85°C ambient operating temperature Available in both standard and lead-free RoHS compliant packages
GENERAL DESCRIPTION
The ICS843004I-04 is a 4 output LVPECL Synthesizer optimized to generate clock HiPerClockS™ frequencies for a variety of high performance applications and is a member of the HiPerClocks TM family of high perfor mance clock solutions from ICS. This device can select its input reference clock from either a crystal input or a singleended clock signal. It can be configured to generate 4 outputs with individually selectable divide-by-one or divide-by-four function via the 4 frequency select pins ( F _ S E L [ 3 : 0 ] ) . T h e I C S 8 4 3 0 0 4 I - 0 4 u s e s I C S ’ 3 rd generation...
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