844S012 Datasheet, PDF (2/24 Pages) Integrated Device Technology – Crystal-to-LVDS/LVCMOS Frequency Synthesizer

844S012 Data Sheet
Block Diagram
QA_OE ^Pullup
F_SELA[1:0] ^{Pulldown 2}
BYPASS ^Pulldown
XTAL_IN
XTAL_OUT
25MHz
OSC 0
REF_IN ^Pulldown
1
REF_SEL ^Pulldown
F_SELB[2:0] ^{Pulldown 3}
÷NA
1
PLL
VCO
2GHz
0
M = ÷80
÷NB
F_SELC[2:0] ^{Pulldown 3}
nMR ^Pullup
QBC_OE ^Pullup
SSC[1:0] ^Pullup
2
REF_OE ^Pulldown
÷NC
Spread
Spectrum
CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER
QA0
nQA0
QA1
nQA1
QB0
QB1
QB2
QB3
QB4
QB5
QB6
QC
REF_OUT0
REF_OUT1
844S012 REVISION B 08/25/15
2
©2015 Integrated Device Technology, Inc.