Description
Integrated Circuit Systems, Inc.ICS84314 350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER .
The ICS84314 is a general purpose quad output frequency synthesizer and a member of the HiPerClockS™ HiPerClockS™ family of High Performance Clock Sol.
Features
* Fully integrated PLL
* 4 differential 3.3V or 2.5V LVPECL outputs
* Selectable crystal oscillator interface or LVCMOS TEST_CLK input
* Output frequency range: 62.5MHz to 350MHz
* VCO range: 250MHz to 700MHz
* Parallel interface for programming counte
Applications
* which require high performance. ICS
BLOCK DIAGRAM
PIN ASSIGNMENT
VCO_SEL nP_LOAD XTAL2 XTAL1 M3 M2 M1 M0
VCO_SEL
32 31 30 29 28 27 26 25
XTAL_SEL
M4
TEST_CLK XTAL1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Q0 nQ0 Q1 nQ1 Q2 nQ2 Q3 nQ3
24 23 22
TEST_CLK XTAL_SEL VCCA S_LOAD S_DATA S_CLOCK MR VCC