SiT8033
Low Power 2-Frequency Select Oscillator
■
Features, Benefits and Applications
■
The world’s lowest power programmable oscillator with 3.2 mA typical active current
■
Selectable Output Frequency: F
0
or F
1
where F
1
= F
0/
2, F
0/
3, F
0/
4, or F
0/
8
■
1-110 MHz frequency range
■
LVCMOS/LVTTL compatible output
■
Frequency stability as low as ±20 PPM
■
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
■
All-silicon device with outstanding reliability of 2 FIT (10x improvement over quartz-based devices),
enhancing system mean-time-to-failure (MTBF)
■
Outstanding mechanical robustness for portable applications
■
Ultra short lead time
■
Ideal for applications with common and related frequencies: 48/24/12 MHz for USB, 50/25 MHz for
Ethernet, 24.576/12.288 MHz for audio, 54/27 MHz for video, 66/33 MHz for CPU
■
Specifications
Electrical Characteristics
Parameter
Frequency Range
Output Frequency
Symbol
f
F
0
F
1
Frequency Stability
F_stab
Min.
1
2
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
50
50
1
1.3
–
Max.
110
110
55
+20
+25
+30
+50
1.0
+70
+85
1.89
2.75
3.08
3.63
4.1
3.5
55
60
2
2.5
–
Unit
MHz
MHz
MHz
PPM
PPM
PPM
PPM
PPM
°C
°C
V
V
V
V
mA
mA
%
%
ns
ns
Vdd
Condition
The actual output frequency of the CLK pin is selected by the FS
(frequency select pin) to be either F
0
or F
1
.
Inclusive of: Initial stability, operating temperature, rated power,
supply voltage change, load change, shock and vibration
± 20 PPM available in extended commercial
temperature only
1st year at 25°C
Extended Commercial
Industrial
Current Consumption
Duty Cycle
Rise/Fall Time
Output Voltage High
Idd
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
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
4
4.0
6.5
–
–
pF
Vdd
Vdd
ms
ms
ps
ps
ps
ps
SiTime Corporation
Rev. 1.4
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised May 30, 2010
SiT8033
Low Power 2-Frequency Select Oscillator
■
Specifications (Cont.)
Pin Description Tables
Pin #1 Functionality
FS
H or Open
[1]
: output frequency F
0
L: output frequency F
1
Pin Map
Pin
1
2
3
4
Connection
FS
GND
CLK
VDD
Absolute Maximum Ratings
Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual performance of the IC
is only guaranteed within the operational specifications, not at absolute maximum ratings.
Parameter
Storage Temperature
VDD
Electrostatic Discharge
Theta JA (with copper plane on VDD and GND)
Theta JC (with PCB traces of 0.010 inch to all pins)
Soldering Temperature (follow standard Pb free soldering guidelines)
Number of Program Writes
Program Retention over -40 to 125°C, Process, VDD (0 to 3.65 V)
Min.
-65
-0.5
–
–
–
–
–
1,000+
Max.
150
4
6000
75
24
260
1
–
Unit
°C
V
V
°C/W
°C/W
°C
NA
years
Environmental Compliance
Parameter
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Moisture Sensibility Level
Condition/Test Method
MIL-STD-883F, Method 2002
MIL-STD-883F, Method 2007
JESD22, Method A104
MIL-STD-883F, Method 2003
MSL1 @ 260°C
Startup Timing Diagram
90% Vdd: 2.5/2.8/3.3V parts
95% Vdd: 1.8V parts
Vdd
Pin 4 Voltage
T_start
CLK Output
T_start: Time to start from power-off
Note:
1. In 1.8 V mode, a resistor of <100 kΩ between OE pin and VDD is recommended.
Rev. 1.4
Page 2 of 4
www.sitime.com
SiT8033
Low Power 2-Frequency Select Oscillator
■
Dimensions and Land Patterns
Package Size – Dimensions (Unit: mm)
[2]
2.5 x 2.0 x 0.75 mm
2.5 ± 0.10
#4
#3
#3
Recommended Land Pattern (Unit: mm)
[3]
1.00
1.9
#4
2.0 ± 0.10
YXXXX
1.1
0.75 ± 0.05
0.75
1.1
3.2 x 2.5 x 0.75 mm
3.2 ± 0.15
#4
#3
#3
2.1
#4
2.2
0.9
YXXXX
2.5 ± 0.15
0.75 ± 0.05
0.9
1.4
5.0 x 3.2 x 0.75 mm
5.0 ± 0.15
#4
#3
#3
2.39
#4
2.54
YXXXX
3.2 ± 0.15
0.8
0.75 ± 0.05
1.15
1.5
7.0 x 5.0 x 0.90 mm
7.0 ± 0.15
#4
#3
#3
5.08
1.7
5.08
#4
5.0 ± 0.15
2.6
1.1
3.81
YXXXX
2.1
No Connect
[4]
#1
#2
#2
#1
0.90 ± 0.10
1.4
2.2
Notes:
2. Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of “Y” will depend on the assembly location of the device.
3. A capacitor of value 0.1
μF
between Vdd and GND is recommended.
4. The 7050 package with part number designation "-8" has NO center pad.
Rev. 1.4
Page 3 of 4
2.0
1.6
#1
#2
#2
#1
1.1
2.2
1.2
#1
#2
#2
#1
0.7
1.9
1.0
#1
#2
#2
#1
0.5
1.5
www.sitime.com
SiT8033
Low Power 2-Frequency Select Oscillator
■
Part No. Guide
-
How to Order
The Part No. Guide is for reference only. For real-time customization and exact part number, use the SiTime
Part Number Generator.
SiT8033AC -14-18A -4 8.00000T
Packaging
Part Family
“SiT8033”
Revision Letter
“A” is the revision
Temperature Range
“C” Commercial, -20 to 70ºC
“I” Industrial, -40 to 85ºC
Output Driver Strength
[5]
“–” Default
Package Size
“1” 2.5 x 2.0 mm
“2” 3.2 x 2.5 mm
“3” 5.0 x 3.2 mm
“4” 7.0 x 5.0 mm
“8” 7.0 x 5.0 mm
[6]
“T”: Tape & Reel, 3K reel
“Y”: Tape & Reel, 1K reel
Blank for Bulk
Frequency
[7]
2.00000 to 110.00000 MHz
Output Frequency Options
“A” = F
0
and F
0
/2
“B” = F
0
and F
0
/3
“C” = F
0
and F
0
/4
“D” = F
0
and F
0
/8
Supply Voltage
“18” for 1.8 V ±5%
“25” for 2.5 V ±10%
“28” for 2.8 V ±10%
“33” for 3.3 V ±10%
Frequency Stability
“2” for ±25 PPM
“3” for ±50 PPM
“4” for ±100 PPM
“8” for ±30 PPM
Notes:
5. Contact SiTime for different drive strength options for driving higher loads or reducing EMI.
6. Without Center Pad.
7. Frequency is for F
0
(see table below for mimum output frequencies).
Frequency Stability vs. Temperature Range Options
Frequency
Stability (PPM)
Temperature
Range
C (-20 to +70°C)
I (-40 to +85°C)
C (-20 to +70°C)
I (-40 to +85°C)
C (-20 to +70°C)
I (-40 to +85°C)
C (-20 to +70°C)
I (-40 to +85°C)
Supply Voltage
1.8 V
2.5 V
2.8 V
3.3 V
Frequency Select Options vs. Mimimum Output Frequency
Output
Frequency Option
A = F
0
and F
0
/2
B = F
0
and F
0
/3
C = F
0
and F
0
/4
D = F
0
and F
0
/8
Minimum
Frequency (F
0
)
2 MHz
3 MHz
4 MHz
8 MHz
±
20
±
25
±
30
±
50
–
–
–
–
© SiTime Corporation 2010. The information contained herein is subject to change at any time without notice. SiTime assumes no responsibility or liability for any loss, damage or defect of a
Product which is caused in whole or in part by (i) use of any circuitry other than circuitry embodied in a SiTime product, (ii) misuse or abuse including static discharge, neglect or accident, (iii)
unauthorized modification or repairs which have been soldered or altered during assembly and are not capable of being tested by SiTime under its normal test conditions, or (iv) improper
installation, storage, handling, warehousing or transportation, or (v) being subjected to unusual physical, thermal, or electrical stress.
Disclaimer:
SiTime makes no warranty of any kind, express or implied, with regard to this material, and specifically disclaims any and all express or implied warranties, either in fact or by
operation of law, statutory or otherwise, including the implied warranties of merchantability and fitness for use or a particular purpose, and any implied warranty arising from course of dealing or
usage of trade, as well as any common-law duties relating to accuracy or lack of negligence, with respect to this material, any sitime product and any product documentation. products sold by
sitme are not suitable or intended to be used in a life support application or component, to operate nuclear facilities, or in other mission critical applications where human life may be involved or
at stake. all sales are made conditioned upon compliance with the critical uses policy set forth below.
CRITICAL USE EXCLUSION POLICY
BUYER AGREES NOT TO USE SITIME'S PRODUCTS FOR ANY APPLICATION OR IN ANY COMPONENTS USED IN LIFE SUPPORT DEVICES OR TO OPERATE NUCLEAR FACILITIES
OR FOR USE IN OTHER MISSION-CRITICAL APPLICATIONS OR COMPONENTS WHERE HUMAN LIFE OR PROPERTY MAY BE AT STAKE.
SiTime owns all rights, title and interest to the intellectual property related to SiTime's products, including any software, firmware, copyright, patent, or trademark. The sale of SiTime products
does not convey or imply any license under patent or other rights. SiTime retains the copyright and trademark rights in all documents, catalogs and plans supplied pursuant to or ancillary to
the sale of products or services by SiTime. Unless otherwise agreed to in writing by SiTime, any reproduction, modification, translation, compilation, or representation of this material shall be
strictly prohibited.
Rev. 1.4
Page 4 of 4
Revised May 30, 2010
综合技术交流
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
