ICS843034-01 Datasheet, PDF (2/22 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ MULTI-RATE LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
BLOCK DIAGRAM
PRELIMINARY
ICS843034-01
FEMTOCLOCKS™
MULTI-RATE LVPECL FREQUENCY SYNTHESIZER
OE_A
VCO_SEL
XTAL_IN0
XTAL_OUT0
XTAL_IN1
XTAL_OUT1
CLK
nCLK
TEST_CLK
SEL1
SEL0
P_DIV
OE_B
MR
OE_REF
S_LOAD
S_DATA
S_CLOCK
nP_LOAD
M8:M0
NA2:NA0
NB2:NB0
OSC 0 0
OSC 0 1
10 _{1 ÷4}
0 ÷8
11
0
PHASE
DETECTOR ^VCO
1
÷M
C
I
L
000 ÷1
001 ÷2
010 ÷3
011 ÷4
÷5
101 ÷6
÷8
111 ÷16
FOUTA0
nFOUTA0
V_{CCO_A}
001
V_{CCO_B}
011
FOUTB0
nFOUTB0
101
111 ÷16
V_{CCO_REF}
REF_CLK
TEST
843034AY-01
www.icst.com/products/hiperclocks.html
2
REV. C NOVEMBER 28, 2005