supply voltage change, load change, shock and vibration.
Aging
Storage Temperature Range
Operating Temperature Range
Supply Voltage
Ag
T_use
Vdd
-1
-65
-20
-40
1.71
2.25
2.52
2.97
–
–
–
–
–
45
40
–
90%
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 = 1.8 V
No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
ST = GND, Vdd = 1.8 V, Output is Weakly Pulled Down
ST = GND, Vdd = 2.5 or 2.8 V, Output is Weakly Pulled Down
ST = GND, Vdd = 3.3 V, Output is Weakly Pulled Down
All Vdds. f <= 70 MHz
All Vdds. f >70 MHz
10% - 90% Vdd level
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)
Maximum frequency and supply voltage. Contact SiTime for
higher output load strength option
Pin 1, OE or ST or SD
Pin 1, OE or ST or SD
Maximum frequency and supply voltage. Contact SiTime for
higher output load strength option
Measured from the time Vdd reaches its rated minimum value
Measured from the time ST pin crosses 50% threshold
f = 50 MHz, Spread = ON
f = 50 MHz, Spread = OFF
Output Voltage Low
VOL
–
–
10%
Vdd
Output Load
Input Voltage High
Input Voltage Low
Output Load
Startup Time
Resume Time
Cycle-cycle Jitter
Ld
VIH
VIL
Ld
T_osc
T_resume
T_cyc
–
70
–
–
–
–
–
–
–
–
–
–
–
–
–
–
15
-
30
15
10
3.5
26
26
pF
%Vdd
%Vdd
pF
ms
ms
ps
ps
Spread Spectrum Modes
Center Spread
Code
Percentage
Code
Percentage
990 Almanor Avenue
D
±0.5%
Q
-1.0%
B
±0.25%
O
-0.5%
Down Spread
SiTime Corporation
Rev 1.40
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised January 8, 2010
Specifications (cont.)
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.
Absolute Maximum Table
Parameter
Min.
Max.
Unit
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 ° Process, VDD (0 to 3.65V)
C,
-65
-0.5
–
–
–
–
–
–
150
+3.65
6000
75
24
260
1
1,000+
°
C
V
V
°
C/W
°
C/W
°
C
NA
years
Environmental Compliance
Parameter
Condition/Test Method
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Solderability
Moisture Sensibility Level
MIL-STD-883F, Method 2002
MIL-STD-883F, Method 2007
JESD22, Method A104
MIL-STD-883F, Method 2003
MSL1 @ 260°
C
Page 2 of 4
Dimensions, Pin Description and Land Pattern
Dimensions
(Unit: mm)
[1]
2.5 x 2.0 x 0.75 mm
2.5 ± 0.10
1.00
Recommended Land Pattern
(Unit: mm)
[2]
Pin #1 Functionality
OE
Pin
1
2
3
4
H or Open; specified frequency output
Pin Map
Connection
OE/ST/SD
GND
CLK
Vdd
1.9
2.0 ± 0.10
0.5
H or Open; specified frequency output
L: output is low level (weak pull down)
SD
(Down Spread Mode Only)
H or Open; Spread Spectrum = ON
L: Spread Spectrum = OFF
1.5
YXXXX
1.1
L: output is high impedance
ST
0.75
0.75 ± 0.05
1.1
Dimensions
(Unit: mm)
[1]
3.2 x 2.5 x 0.75 mm
3.2 ± 0.15
2.1
Recommended Land Pattern
(Unit: mm)
[2]
Pin #1 Functionality
OE
H or Ope
Pin
1
2
3
4
Pin Map
Connection
OE/ST/SD
GND
CLK
Vdd
2.2
[3]n;
specified frequency output
ST
2.5 ± 0.15
L: output is high impedance
0.9
H or Open; specified frequency output
0.7
L: output is low level (weak pull down)
H or Open; Spread Spectrum = ON
L: Spread Spectrum = OFF
0.9
0.75 ± 0.05
1.4
Dimensions
(Unit: mm)
[1]
5.0 x 3.2 x 0.75 mm
5.0 ± 0.15
3.2 ± 0.15
0.8
Pin #1 Functionality
Pin Map
Pin
1
2
3
4
Connection
OE/ST/SD
GND
Vdd
CLK
Recommended Land Pattern
(Unit: mm)
[2]
2.39
H or Open
2.54
OE
[3];
specified frequency output
ST
L: output is high impedance
H or Open; specified frequency output
L: output is low level (weak pull down)
SD
(Down Spread Mode Only)
H or Open; Spread Spectrum = ON
YXXXX
1.1
2.2
0.75 ± 0.05
1.15
L: Spread Spectrum = OFF
1.5
Dimensions
(Unit: mm)
[1]
7.0 x 5.0 x 0.90 mm
7.0 ± 0.15
5.08
1.7
5.0 ± 0.15
Recommended Land Pattern
(Unit: mm)
[2]
Pin #1 Functionality
OE
H or Open
Pin
1
2
3
4
Pin Map
Connection
OE/ST/SD
GND
CLK
Vdd
5.08
[3]
; specified frequency output
ST
L: output is high impedance
2.6
2.1
1.1
L: output is low level (weak pull down)
SD
(Down Spread Mode Only)
H or Open; Spread Spectrum = ON
L: Spread Spectrum = OFF
3.81
YXXXX
H or Open; specified frequency output
1.6
1.2
SD
(Down Spread Mode Only)
1.9
1.0
0.90 ± 0.10
1.4
2.2
Notes:
1. Y denotes manufacturing origin and XXXX denotes manufacturing lot number. The value of “Y” will depend on the assembly location of the device.
2. A capacitor of value 0.1
µ
F between Vdd and GND is recommended.
3. In 1.8V mode, a resistor of <100 k between OE pin and VDD is recommended.
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
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