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PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840004I
FEMTOCLOCKS™CRYSTAL-TOLVCMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• Four LVCMOS/LVTTL outputs, 15Ω typical output impedance • Selectable crystal oscillator interface or LVCMOS single-ended input • Supports the following input frequencies: 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz and 53.125MHz • RMS phase jitter @ 212.5MHz(2.55MHz - 20MHz): 0.49ps (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 ICS840004I 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. Using a 26.