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ABPX1101-XXXMC-T Datasheet

  • ABPX1101-XXXMC-T

  • Advanced Programmable Clock

  • 6頁

  • ABRACON   ABRACON

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ABPX1101
Advanced Programmable Clock
FEATURES
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Advanced programmable PLL design
Very low Jitter and Phase Noise (30-70ps Pk-Pk typical)
Up to 3 programmable outputs
Two registers banks for 2-time programming.
Output frequency up to 200MHz CMOS.
Accepts Crystal or reference clock inputs
o
Fundamental crystal: 10MHz-30MHz
o
3
RD
overtone crystal: Up to 75MHz
o
Reference input: Up to 200MHz
Accepts <1.0V reference signal input voltage
One programmable I/O pin can be configured as
Programmable clock, or Frequency Selection input,
or output Enable (OE) or Power Down (PDB) input.
Single 2.5V or 3.3V 鹵 10% power supply
Operating temperature range from -40擄C to 85擄C
Available in 8-pin MSOP/SOIC, and 6-pin SOT
PIN CONFIGURATION
XIN/FIN
GND
CLK0
CLK1
1
2
3
4
8
7
6
5
XOUT
CLK2,OE,PDB,FSEL
NC
VDD
SOP-8
MSOP-8
ABPX1101
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ABPX1101
CLK0
GND
XIN/FIN
1
2
3
6
5
4
VDD
CLK2,OE,PDB,FSEL
XOUT
SOT-23
DESCRIPTION
The ABPX1101 is a low-cost general purpose frequency synthesizer and a member of Abracons鈥?Advanced
Programmable Clock family. Abracon鈥檚 ABPX1101 product family offers the versatility of using a single Crystal or
Reference Clock input and producing up to three different system clocks. They can generate any output
frequency up to 200 MHz from fundamental crystal input between 10 MHz - 30 MHz, or a 3rd overtone crystal of
up to 75Mhz, or a Reference clock input of up to 200 MHz. Cascading of the ICs to produce additional clock
frequencies is also supported.
BLOCK DIAGRAM
XIN/FIN
XOUT
Xtal
OSC
FRef
R-counter
(8-bit)
Phase
Detector
M -counter
(10-bit)
Charge
Pump
Loop
Filter
F
VCO
= F
Ref.
* (2 * M /R)
P-counter
(5-bit)
Selectable
/1,/2,/4,/8
VCO
Programming
Logic
FSEL
OE
PDB
CLoad
F
out
= F
VCO
/ (2 * P)
CLOCK[0:2]
Selectable
/1,/2
Programmable Function
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001
www.Abracon.com
03/15/05 Page 1

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