PL611-25 Datasheet, PDF (1/5 Pages) PhaseLink Corporation – Programmable Quick Turn Clock

PL611-25
Programmable Quick Turn Clock^TM
FEATURES
• Advanced programmable PLL design
• Very low Jitter and Phase Noise (< 40ps Pk-Pk typical)
• Two registers banks for 2-time programming.
• Output frequency up to 200MHz CMOS.
• Crystal inputs:
o Fundamental crystal: 10MHz-30MHz
o 3^RD overtone crystal: Up to 75MHz
• Single 2.5V or 3.3V ± 10% power supply
• Operating temperature range from -40°C to 85°C
• Available in Die form only
PAD LAYOUT AND DIE ID
XIN
OE
GND
GND
CLK1
1
9
2
Die ID:
C611A- 8
3 ^0505-05D
7
4
5
6
XOUT
DNC
VDD
VDD
DIE AND WAFER SPECIFICATION
Name
Die Size
Reverse side
Pad Opening
Wafer Diameter
Die Per Wafer
Wafer Thickness
Value
31.5x55.1 mil
GND
80 micron x 80 micron
8”
22,277
12 mil
DESCRIPTION
The PL611-25 is a low-cost general purpose
frequency synthesizer and a member of PhaseLink’s
Factory Programmable ‘Quick Turn Clock (QTC)’
family. PhaseLink’s PL611-25 product family 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.
BLOCK DIAGRAM
XIN/FIN
Xtal
XOUT
OSC
Programmable
CLoad
Programmable Function
R - counter
(8-bit)
M - counter
(10-bit)
Phase
Detector
Charge
Pump
Loop
Filter
F_VCO = F _Ref. * (2 * M /R)
VCO
P-counter
(5-bit)
F_Out = F_VCO / (2 * P)
CLK1
47745 Fremont Blvd., Fremont, California 94538 Tel [phone] Fax [phone]
Rev 10/05/05 Page 1