PRELIMINARY
Integrated Circuit Systems, Inc.
ICS840004I-01
FEMTOCLOCKS™CRYSTAL-TOLV
CMOS/LVTTL FREQUENCY SYNTHESIZER
FEATURES
• Four LV
CMOS/LVTTL outputs, 15Ω typical output impedance • Selectable crystal oscillator interface or LV
CMOS single-ended input • Supports the following output frequencies: 156.
25MHz, 125MHz and 62.
5MHz • RMS phase jitter @ 156.
25MHZ (1.
875MHz - 20MHz): 0.
52ps (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-01 is a 4 output LV
CMOS/LVTTL Synthesizer optimized to generate Ethernet HiPerClockS™ reference clock frequencies and is a member of the HiPerClocksTM fam...