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SIT8003AC-8133E-18.874

产品描述programmable oscillators 18.874mhz 3.3volt 20ppm -20c + 70c
产品类别无源元件   
文件大小341KB,共4页
制造商SiTime
标准
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SIT8003AC-8133E-18.874概述

programmable oscillators 18.874mhz 3.3volt 20ppm -20c + 70c

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SiT8003
Low Power 1-110 MHz Oscillator
Features, Benefits and Applications
The world’s lowest power programmable oscillator with 3.2 mA typical active current
1-110 MHz frequency range
LVCMOS/LVTTL compatible output
Frequency stability as low as ±20 PPM
Standby current as low as 0.5
μA
Fast resume time of 3.0 ms typical
Standby or output enable modes
Four industry-standard packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm
Outstanding mechanical robustness for portable applications
All-silicon device with outstanding reliability of 2 FIT (10x improvement over quartz-based devices),
enhancing system mean-time-to-failure (MTBF)
Ultra short lead time
Ideal for portable applications: portable media players, digital cameras, digital camcorders, portable
navigation devices, handheld gaming, cell phones and other battery-powered handheld applications
Ideal for high-speed serial protocols such as: USB 1.1, USB 2.0, USB 3.0, SATA, SAS, Firewire,
Ethernet, etc.
Specifications
Electrical Characteristics
Parameter
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-20
-25
-30
-50
Aging
Operating Temperature Range
Supply Voltage
Ag
T_use
Vdd
–1.0
-20
-40
1.71
2.25
2.52
2.97
45
40
-
90%
Typ.
1.8
2.5
2.8
3.3
3.7
3.2
2.4
1.2
0.4
50
50
1
1.3
Max.
110
+20
+25
+30
+50
1.0
+70
+85
1.89
2.75
3.08
3.63
4.1
3.5
4.3
2.2
0.8
55
60
2
2.5
Unit
MHz
PPM
PPM
PPM
PPM
PPM
°C
°C
V
V
V
V
mA
mA
μA
μA
μA
%
%
ns
ns
Vdd
1st year at 25°C
Extended Commercial
Industrial
Condition
Inclusive of: Initial stability, operating temperature, rated power,
supply voltage change, load change, shock and vibration
± 20 PPM available in extended commercial temperature only
Current Consumption
Standby Current
Idd
I_std
Duty Cycle
Rise/Fall Time
Output Voltage High
DC
Tr, Tf
VOH
No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
No load condition, f = 20 MHz, Vdd = 1.8 V
ST = GND, Vdd = 3.3 V, Output is Weakly Pulled Down
ST = GND, Vdd = 2.5 or 2.8 V, Output is Weakly Pulled Down
ST = GND, Vdd = 1.8 V, Output is Weakly Pulled Down
All Vdds. f <= 75 MHz
All Vdds. f > 75 MHz
20% - 80% Vdd=2.5 V, 2.8 V or 3.3 V, 15 pf load
20% - 80% Vdd=1.8 V, 15 pf load
IOH = -4 mA (Vdd = 3.3 V)
IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOH = -2 mA (Vdd = 1.8 V)
IOL = 4 mA (Vdd = 3.3 V)
IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOL = 2 mA (Vdd = 1.8 V)
At maximum frequency and supply voltage. Contact SiTime for higher
output load option
Pin 1, OE or ST
Pin 1, OE or ST
Measured from the time Vdd reaches its rated minimum value
Measured from the time ST pin crosses 50% threshold
f = 75 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
f = 75 MHz, Vdd = 1.8 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,
VDD = 2.5 V, 2.8 V, or 3.3 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz, VDD = 1.8 V
Output Voltage Low
VOL
10%
Vdd
Output Load
Input Voltage High
Input Voltage Low
Startup Time
Resume Time
RMS Period Jitter
RMS Phase Jitter (random)
Ld
VIH
VIL
T_osc
T_resume
T_jitt
T_phj
70%
3.0
0.6
0.8
15
30%
10
3.8
4.0
5.5
pF
Vdd
Vdd
ms
ms
ps
ps
ps
ps
SiTime Corporation
Rev. 1.5
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised May 30, 2010
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