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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840014I
FEMTOCLOCKS™ CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• Four LVCMOS/LVTTL outputs, 15Ω typical output impedance • Selectable crystal oscillator interface or LVCMOS single-ended input • Output frequency: 106.25MHz or 53.125MHz • RMS phase jitter @ 106.25MHz (637KHz - 5MHz): 0.72ps (typical) • Output supply modes: Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V • -40°C to 85°C ambient operating temperature
GENERAL DESCRIPTION
The ICS840014I is a 4 output LVCMOS/LVTTL Synthesizer optimized to generate Fibre Channel HiPerClockS™ reference clock frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from ICS. This device uses a 26.5625MHz, 18pF parallel resonant crystal to synthesize 106.