Field Programmable Oscillator
The Smart Timing Choice
The Smart Timing Choice
Features
Applications
Support for 8 MEMS oscillator families
•
•
•
•
•
•
•
•
Low power (SiT1602, SiT8008, SiT8009)
Ultra performance (SiT8208, SiT8209)
Ultra performance differential (SiT9120, SiT9121, SiT9122)
High temp (SiT1618, SiT8918, SiT8919, SiT8920, SiT8921)
VCXO (SiT3807, SiT3808, SiT3809)
Differential VCXO (SiT3821, SiT3822)
Spread spectrum (SiT9001, SiT9003)
Differential spread spectrum (SiT9002)
Generic samples in seconds for prototype builds
Experiment with different options for optimal timing
margin
Configure different drive strengths for best EMI and/or to
drive larger loads
Fast prototype builds
Wide variety of programmable options
• Frequency from 1 – 625 MHz
• Frequency stability from ±20 to ±50 ppm
• Supply voltages of 1.8V or 2.5 to 3.3V
• Operating temperature up to 125 °C and down to -55°C
• Package sizes for 2.0 x 1.6 mmxmm to 7.0 x 5.0 mmxmm
• Pull ranges from ±25 to ±1600 ppm (VCXO only)
• Spread percentage from ±0.25% to ±2% or -0.5% to -4%
(Spread spectrum only)
• Rise/fall time from 0.25 ns to 40 ns
Description
SiTime offers a wide range of field programmable (FP) MEMS
oscillators including simple oscillators, differential oscillators,
high temperature oscillators, VCXO and spread spectrum
oscillators. These FP devices support the same specifications
and performance as their factory-programmed counterparts.
They enable engineers to experiment with different configura-
tions and generate customized samples in seconds for fast
prototyping.
Figure 1 illustrates the simple programming setup required for
programming SiTime FP devices by using the SiT6100DK, a
field programming kit. Refer to SiT6100DK quick start guide
and
other
documents
for
more
information
http://www.sitime.com/time-machine.
For production volume, SiTime offers factory programming of
its entire portfolio with the shortest lead time available in the
industry.
Figure 1. Field Programmable Software and Hardware
SiTime Corporation
Rev. 1.0
990 Almanor Avenue, Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised February 27, 2014
Field Programmable Oscillator
The Smart Timing Choice
The Smart Timing Choice
Field Programmable Device Ordering
Information
A FP device works as a superset of its programmed
counterpart. In certain cases, it can also be mapped to
different programmed base products.
As an example, SiT8008AI-71-XXX-000.FP000 is a field
programmable device in the low power family. It comes in the
2.0 x 1.6 mm x mm package, and can be programmed to
support different combinations of the following:
• Frequency: 1 MHz to 110 MHz with 6 decimal places of
accuracy
• Frequency stability: ±20 ppm, ±25 ppm, ±50 ppm
• Temperature range: -20°C to 70°C, -40°C to 85°C
• Supply voltages: 1.8V or 2.5V to 3.3V
• Output drive strength: 8 different options for different rise/fall
time
In addition, the SiT8008AI-11--XXX-000.FP000 can be used
for either SiT1602 or SiT8008 in the 2.0 x 1.6 mm x mm
package. The SiT1602 and the SiT8008 share similar
electrical specs and the same field programmable devices, but
they support different frequencies.
Below is a complete summary of all currently available field
programmable devices, the mapping to the programmed
devices and the supported programmable options.
Contact
SiTime
for devices of your interest that are not
covered here.
Table 1. Field Programmable Devices - MEMS XO
Oscillator
Product
Family
Field Programmable (FP)
Part Number
SiT8008AI-71-XXX-000.FP000
SiT8008AI-11-XXX-000.FP000
SiT8008AI-21-XXX-000.FP000
SiT8008AI-31-XXX-000.FP000
Low Power
SiT8008AI-81-XXX-000.FP000
Single-Ended
SiT8009AI-71-XXX-000.FP000
Oscillator
SiT8009AI-11-XXX-000.FP000
SiT8009AI-21-XXX-000.FP000
SiT8009AI-31-XXX-000.FP000
SiT8009AI-81-XXX-000.FP000
SiT8208AI-G1-XXX-000.FP000
SiT8208AI-21-XXX-000.FP000
SiT8208AI-31-XXX-000.FP000
Ultra
Performance
SiT8208AI-81-XXX-000.FP000
Single-Ended
SiT8209AI-G1-XXX-000.FP000
Oscillator
SiT8209AI-21-XXX-000.FP000
SiT8209AI-31-XXX-000.FP000
SiT8209AI-81-XXX-000.FP000
SiT9121AI-1B1-XXX000.FP000
SiT9121AI-1C1-XXX000.FP000
SiT9121AI-1D1-XXX000.FP000
SiT9121AI-2B1-XXX000.FP000
High
Performance
Differential
Oscillator
SiT9121AI-2C1-XXX000.FP000
SiT9121AI-2D1-XXX000.FP000
SiT9122AI-1B1-XXX000.FP000
SiT9122AI-1C1-XXX000.FP000
SiT9122AI-1D1-XXX000.FP000
SiT9122A-2B1-XXX000.FP000
SiT9122A-2C1-XXX000.FP000
SiT9122AI-2D1-XXX000.FP000
SiT9122
SiT9120,
SiT9121
SiT8208
SiT8009
SiT1602
SiT8008
Supported Signaling
Devices
Type
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
SiT8209
LVCMOS
LVCMOS
LVCMOS
LVPECL
LVPECL
LVPECL
LVDS
LVDS
LVDS
LVPECL
LVPECL
LVPECL
LVDS
LVDS
LVDS
Frequency
Range
(MHz)
1 to 110
1 to 110
1 to 110
1 to 110
1 to 110
115 to 137
115 to 137
115 to 137
115 to 137
115 to 137
1 to 80
1 to 80
1 to 80
1 to 80
80 to 220
80 to 220
80 to 220
80 to 220
1 to 220
1 to 220
1 to 220
1 to 220
1 to 220
1 to 220
220 to 625
220 to 625
220 to 625
220 to 625
220 to 625
220 to 625
Frequency
Stability
(ppm)
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
±20, ±25, ±50
Temp Range
(°C)
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
-40 to 85, -20 to 70
Voltage
(V)
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
Package
Size
(mm x mm)
2.0 x 1.6
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.0 x 1.6
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.0 x 1.6
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
Rev. 1.0
Page 2 of 7
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Field Programmable Oscillator
The Smart Timing Choice
The Smart Timing Choice
Table 1. Field Programmable Devices - MEMS XO (continued)
Oscillator
Product
Family
Field Programmable (FP)
Part Number
SiT8920AI-71-XXX-000.FP000
SiT8920AI-11-XXX-000.FP000
SiT8920AI-21-XXX-000.FP000
SiT8920AI-31-XXX-000.FP000
SiT8920AI-81-XXX-000.FP000
High
Temperature
Single-Ended
SiT8921AI-71-XXX-000.FP000
Oscillator
SiT8921AI-11-XXX-000.FP000
SiT8921AI-21-XXX-000.FP000
SiT8921AI-31-XXX-000.FP000
SiT8921AI-81-XXX-000.FP000
SiT8919,
SiT8921
SiT1618,
SiT8918,
SiT8920
Supported Signaling
Devices
Type
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
Frequency
Range
(MHz)
1 to 110
1 to 110
1 to 110
1 to 110
1 to 110
115 to 137
115 to 137
115 to 137
115 to 137
115 to 137
Frequency
Stability
(ppm)
Temp Range
(°C)
Voltage
(V)
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
1.8V, 2.5-3.3V
Package
Size
(mm x mm)
2.0 x 1.6
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.0 x 1.6
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
±25, ±30, ±50 -40 to 105, -40 to 125,
-55 to 125
Table 2. Field Programmable Devices - MEMS VCXO
Oscillator
Product
Family
Field Programmable (FP)
Part Number
SiT3808AI-G2-XXXX-000.FP000
SiT3808AI-22-XXXX-000.FP000
SiT3808AI-32-XXXX-000.FP000
High
SiT3808AI-82-XXXX-000.FP000
Performance
Single-Ended
SiT3809AI-G2-XXXX-000.FP000
VCXO
SiT3809AI-22-XXXX-000.FP000
SiT3809
SiT3809AI-32-XXXX-000.FP000
SiT3809AI-82-XXXX-000.FP000
SiT3821AI-1C2-XXXX000.FP000
SiT3821AI-1D2-XXXX000.FP000
SiT3821
SiT3821AI-2C2-XXXX000.FP000
High
Performance
Differential
VCXO
SiT3821AI-2D2-XXXX000.FP000
SiT3822AI-1C2-XXXX000.FP000
SiT3822AI-1D2-XXXX000.FP000
SiT3822
SiT3822A-2C2-XXXX000.FP000
SiT3822AI-2D2-XXXX000.FP000
LVDS
LVDS
220 to 625
220 to 625
±25, ±50
±25, ±50
LVDS
LVDS
LVPECL
LVPECL
1 to 220
1 to 220
220 to 625
220 to 625
±25, ±50
±25, ±50
±25, ±50
±25, ±50
LVCMOS
LVCMOS
LVPECL
LVPECL
80 to 220
80 to 220
1 to 220
1 to 220
±25, ±50
±25, ±50
±25, ±50
±25, ±50
Supported Signaling
Devices
Type
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
Frequency
Range
(MHz)
1 to 80
1 to 80
1 to 80
1 to 80
80 to 220
80 to 220
Frequency
Stability
(ppm)
±25, ±50
±25, ±50
±25, ±50
±25, ±50
±25, ±50
±25, ±50
Temp
Range
(°C)
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
Voltage
(V)
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
1.8V,
2.5-3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
Pull
Range
(ppm)
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
±25 to
±1600
Package
Size
(mm x mm)
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
5.0 x 3.2
7.0 x 5.0
5.0 x 3.2
7.0 x 5.0
5.0 x 3.2
7.0 x 5.0
5.0 x 3.2
7.0 x 5.0
SiT3807,
SiT3808
Rev. 1.0
Page 3 of 7
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Field Programmable Oscillator
The Smart Timing Choice
The Smart Timing Choice
Table 3. Field Programmable Devices - MEMS Spread Spectrum XO
Oscillator
Product
Family
Field Programmable (FP)
Part Number
SiT9001AI-13-XXXX-000.FP000
SiT9001AI-23-XXXX-000.FP000
SiT9001
SiT9001AI-33-XXXX-000.FP000
SiT9001AI-83-XXXX-000.FP000
SiT9003AI-13-33XX-000.FP000
Spread
SiT9003AI-23-33XX-000.FP000
Spectrum
Single-Ended
SiT9003AI-33-33XX-000.FP000
Oscillator
SiT9003AI-83-33XX-000.FP000
SiT9003
SiT9003AI-13-18XX-000.FP000
SiT9003AI-23-18XX-000.FP000
SiT9003AI-33-18XX-000.FP000
SiT9003AI-83-18XX-000.FP000
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVPECL
LVDS
HCSL
CML
LVPECL
LVDS
HCSL
CML
1 to 110
1 to 110
1 to 110
1 to 110
±50, ±100
±50, ±100
±50, ±100
±50, ±100
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
1 to 200
1 to 200
1 to 110
1 to 110
1 to 110
1 to 110
±50, ±100
±50, ±100
±50, ±100
±50, ±100
±50, ±100
±50, ±100
Supported Signaling
Devices
Type
LVCMOS
LVCMOS
Frequency Frequency
Range
Stability
(MHz)
(ppm)
1 to 200
1 to 200
±50, ±100
±50, ±100
Temp
Range
(°C)
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
-40 to 85,
-20 to 70
Voltage
(V)
1.8V,
2.5V, 3.3V
1.8V,
2.5V, 3.3V
1.8V,
2.5V, 3.3V
1.8V,
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
2.5V, 3.3V
1.8V
1.8V
1.8V
1.8V
1.8V,
2.5V, 3.3V
±0.25% to ±2%
-0.5% to -4%
1 to 220
±50, ±100
1.8V,
2.5V, 3.3V
7.0 x 5.0
±0.25% to ±2%
-0.5% to -4%
Spread
Percentage
Package
Size
(mm x mm)
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
2.5 x 2.0
3.2 x 2.5
5.0 x 3.2
7.0 x 5.0
±0.25% to ±0.5%
-0.5% to -1%
Spread
Spectrum
Differential
Oscillator
SiT9002AI-X32XXXXX000.FP000
SiT9002
SiT9002AI-X82XXXXX000.FP000
1 to 220
±50, ±100
5.0 x 3.2
Rev. 1.0
Page 4 of 7
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Field Programmable Oscillator
The Smart Timing Choice
The Smart Timing Choice
Tape & Reel Options
FP devices are shipped with standard Tape & Reel options. An
additional letter is affixed to the end of the FP device part
numbers in Tables 1 to 3 to specify the tape size and the reel
quantity.
For
example,
the
last
letter
“”G
in
the
SiT8008AI-71-XXX-000.FP000G indicates 250 pieces of
SiT8008AI FP devices shipped in 8 mm tape.
The complete list of T&R options for different device package
sizes are shown in the table below.
Table 4. Ordering Codes for Supported Tape & Reel Packing Method
Supported FP Device: SiT8008, SiT8009, SiT8920, SiT8921
Tape & Reel
Package Size
2.0 x 1.6 mmxmm
2.5 x 2.0 mmxmm
3.2 x 2.5 mmxmm
5.0 x 3.2 mmxmm
7.0 x 5.0 mmxmm
G
G
G
–
–
8 mm Tape
250 pcs reel
1ku reel
E
E
E
–
–
–
–
–
X
–
12 mm Tape
250 pcs reel
1ku reel
–
–
–
Y
–
–
–
–
–
X
16 mm Tape
250 pcs reel
1ku reel
–
–
–
–
Y
Table 5. Ordering Codes for Supported Tape & Reel Packing Method
Supported FP Device: SiT3808, SiT3809, SiT3821, SiT3822, SiT8208, SiT8209,
SiT9001, SiT9002, SiT9003, SiT9121, SiT9122
Tape & Reel
Package Size
2.5 x 2.0 mmxmm
3.2 x 2.5 mmxmm
5.0 x 3.2 mmxmm
7.0 x 5.0 mmxmm
X
X
X
–
12 mm Tape
250 pcs reel
1ku reel
Y
Y
Y
–
–
–
–
X
16 mm Tape
250 pcs reel
1ku reel
–
–
–
Y
Rev. 1.0
Page 5 of 7
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