9VRS4339B Datasheet, PDF (15/21 Pages) Integrated Device Technology – VERY LOW POWER CLOCK FOR 2011 NETBOOKS

9VRS4339B
VERY LOW POWER CLOCK FOR 2011 NETBOOKS
Electrical Characteristics–25MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX UNITS
Long Accuracy
ppm
see Tperiod min-max values
- 30
30
ppm
Clock period
T_{p eriod}
25.00MHz output nominal
39.99880 40.00120
ns
Output High Voltage
V_OH
I_OH = -1 mA
2.4
V
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
V
Output High Current
I_OH
V _OH @MIN = 1.0 V
V_OH@MAX = 3.135 V
- 29
mA
-2 3
mA
Output Low Current
I_OL
V_OL @ MIN = 1.95 V
V_OL @ MAX = 0.4 V
29
mA
27
mA
Rising Edge Slew Rate
t_{SL R}
Me asured from 0.8 to 2.0 V
0.5
2
V /ns
Fa lling E dge Slew Rate
tFL R
Me asured from 2.0 to 0.8 V
0.5
2
V /ns
Duty Cycle
d_t1
V_T = 1 .5 V
45
55
%
Jitte r, Cycle to cycle
t_{j cyc-cyc}
V_T = 1 .5 V
20 0
ps
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, Rs=39ohm, CL=5pF
1 _{Unless otherwise noted, gu aranteed by design and ch aracterization, no t 100% teste d in prod uction.}
2 _{All Long Term Accuracy and Clo ck Pe riod spe cifica tions are guaranteed assuming that REFOUT is at 25.0000 00MHz}
3_{E dge rate in system is measured from 0.8V to 2.0V.}
4 _{Duty cycle, Peroid and Jitter are me asur ed with re spe ct to 1.5V}
5 _{The ave rage period over any 1us period of time}
6 _{Usin g freque ncy coun ter with th e measurment in terval equal or greater tha t 0.1 5s. Target frequ encie s are 14.318181 MHz, 25.0000 00MHz, 33.33333 3MHz,}
27.00000 0MHz an d 48 .000 000MHz
NOTES
1,2
1,2,5
1
1
1
1
1
1
1,3
1,3
1,4
1,4
Electrical Characteristics–REF-14.318MHz
PAR AM ETE R
SYMBOL
CONDITIONS
MIN
MAX UNITS
Long Accuracy
ppm
see Tperiod min-max values
-100
100
ppm
Clock period
Tper iod
14.318MHz output nominal
69.82033 69.86224 ns
Absolute min/ma x period
Tabs
14.318MHz output nominal
69.83400 70.84800 ns
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
V_OL
IOL = 1 mA
0.4
V
Output High Current
I_OH
V _OH @MIN = 1.0 V
V_OH@MAX = 3 .135 V
- 29
mA
-2 3
mA
Output Low Current
I_OL
V_OL @ MIN = 1.95 V
V_OL @ MAX = 0.4 V
29
mA
27
mA
Rising Edge Slew Rate
t_{SL R}
Measu red from 0.8 to 2 .0 V
1
4
V /ns
Falling E dge Slew Rate
t _{FL R}
Measu red from 2.0 to 0 .8 V
1
4
V /ns
Duty Cycle
dt1
VT = 1.5 V
45
55
%
Jitter, Cycle to cycle
tj cyc-cyc
VT = 1.5 V
1000
ps
*TA = 0 - 70°C; Sup ply Voltage VDD = 3.3 V +/-5%, Rs=39ohm, CL=5 pF
1 _{Unless otherwise noted, gu aranteed by design and ch aracterization, no t 100% teste d in prod uction.}
2 _{All Long Term Accuracy and Clo ck Pe riod spe cifica tions are guaranteed assuming that REFOUT is at 25.0000 00MHz}
3_{Edge rate in system is measured from 0.8V to 2.0V.}
4 _{Duty cycle, Peroid and Jitter are me asur ed with re spe ct to 1.5V}
5 _{The ave rage period over any 1us period of time}
6 _{Usin g freque ncy coun ter with th e measurment in terval equal or greater tha t 0.1 5s. Target frequ encie s are 14.318181 MHz, 25.0000 00MHz, 33.33333 3MHz,}
27.000000MHz an d 48 .000 000MHz
Notes
1,2
1,2,5
1,2
1
1
1
1
1
1
1,3
1,3
1,4
1,4
IDT® VERY LOW POWER CLOCK FOR 2011 NETBOOKS
15
9VRS4339B
REV A 010312