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PL902XXX Datasheet, PDF (5/10 Pages) Micrel Semiconductor – Lowest power and smallest programmable jitter attenuator
Micrel, Inc.
PL902xxx
AC Electrical Characteristics
VDD = 3.3V ±10% or 2.5V ±10%; CL = 15pF; TA = 25°C, bold values indicate –40°C≤ TA ≤ +85°C, unless noted.
Parameter
Condition
Min.
Typ.
3.3V operation
1
Input (REFIN) frequency
2.5V operation
1
Input signal amplitude
Internally AC-coupled (high frequency)
0.8
Input signal amplitude
Internally AC-coupled (low frequency)
3.3V ≤ 50MHz, 2.5V ≤ 40MHz
0.1
CLK0 and CLK1, 3.3V operation
5
CLK0 and CLK1, 2.5V operation
5
Output frequency
CLK2, 3.3V operation
1.25
CLK2, 2.5V operation
1.25
Settling time
Output enable time
Output rise time
Output fall time
Duty Cycle
Period jitter, peak-to-peak(3)
(10,000 samples measured)
At power up (after VDD increases over 2.25V)
OE function: TA = 25ºC, 15pF load. Add one clock
period to this measurement for a usable clock output.
PDB function: TA = 25ºC, 15pF load.
15pF load, 10/90% VDD, high drive, 3.3V
15pF load, 10/90% VDD, high drive, 3.3V
@ 2.5V and 3.3V over entire frequency range.
Threshold = VDD/2
With capacitive decoupling between VDD and GND
1.2
1.2
45
50
75
Jitter attenuation bandwidth
CLK0 = REFIN
4
Notes:
3. Jitter performance can be considered the noise floor of the device. Jitter cannot be attenuated below this value.
Max.
200
167
VDD
VDD
200
167
200
167
1
10
1
1.7
1.7
55
Units
MHz
MHz
VPP
VPP
MHz
MHz
MHz
MHz
ms
ns
ms
ns
ns
%
ps
kHz
August 1, 2014
5
Revision 1.1
tcghelp@micrel.com or (408) 955-1690