ICS873991-147 Datasheet, PDF (2/17 Pages) Integrated Device Technology – LOW VOLTAGE, LVCMOS/LVPECL-TO LVPECL/ECL CLOCK GENERATOR

ICS873991-147
LOW VOLTAGE, LVCMOS/LVPECL-TO-LVPECL/ECL CLOCK GENERATOR
BLOCK DIAGRAM
VCO_SEL ^Pulldown
PLL_EN ^Pulldown
REF_SEL ^Pulldown
REF_CLK ^Pulldown
nPCLK
PCLK
EXT_FB
nEXT_FB
MR ^Pulldown
FSEL_0:3 ^Pulldown
FSEL_FB0:2 ^Pulldown
PHASE
DETECTOR
LPF
VCO
FREQUENCY
GENERATOR
SYNC
SYNC_SEL ^Pulldown
PRELIMINARY
QA0
nQA0
QA1
nQA1
QA2
nQA2
QA3
nQA3
QB0
nQB0
QB1
nQB1
QB2
nQB2
QB3
nQB3
QC0
nQC0
QC1
nQC1
QC2
nQC2
QD0
nQD0
QD1
nQD1
QFB
nQFB
IDT^™ / ICS^™ LVPECL/ECL CLOCK GENERATOR
2
ICS873991AY-147 REV. A AUGUST 10, 2007