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SiTime, Silicon MEMS Oscillators and Clock Generators

Programmable Clock Generator

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SiTime's programmable clock generators are the first in the industry to integrate MEMS resonators, thus eliminating the need for external crystals and other clock sources.

Key features of SiTime's programmable clock generators include:


  • Small SOT23-5 package best for board level solder joint reliability
  • Wide frequency range from 1-137MHz
  • Best stability of ±20 PPM from -55 ºC to 125 ºC


Refer to the Automotive section for AEC-Q100 compliant clock generators (SiT2024, SiT2025)

 

Device
Frequency
(MHz)
Outputs
Temp. Range
(°C)
Stability
(PPM)
Package Size
(mm)
Voltage
(V)
Datasheets

SiT2001B

1 - 110
1 x LVCMOS -20 to 70
-40 to 85
±20, ±25
±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet
SiT2002B 115 - 137
1 x LVCMOS -20 to 70
-40 to 85
±20, ±25
±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet
SiT2018B 1 - 110
1 x LVCMOS -40 to 105
-40 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet
SiT2019B 115.194001 - 137
1 x LVCMOS -40 to 105
-40 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet
SiT2020B 1 - 110
1 x LVCMOS -55 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet
SiT2021B 119.342001 - 137
1 x LVCMOS -55 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

For comparable devices in SMD packages, refer to the Low Power Oscillator section and High Temperature section


Mature Clock Generator Products
-- Not Recommended for New Designs

Device
Frequency
(MHz)
Output(s)
Temp.
Range
(°C)
Stability
(PPM)
Package
Size
(mm)
Voltage
(V)
Datasheets
Recom'd  Devices
SiT9201A 1 - 110
1 x LVCMOS -20 to 70
-40 to 85
±20, ±25
±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2001B

SiT2002A 115 - 137
1 x LVCMOS -20 to 70
-40 to 85
±20, ±25
±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2002B

SiT2018A 1 - 110
1 x LVCMOS -40 to 105
-40 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2018B

SiT2019A 115.194001 - 137
1 x LVCMOS -40 to 105
-40 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2019B

SiT2020A 1 - 110
1 x LVCMOS -55 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2020B

SiT2021A 119.342001 - 137
1 x LVCMOS -55 to 125
±20, ±25
±30, ±50
SOT23
(2.9 x 2.8)
1.8
2.5 to 3.3
pdf datasheet

SiT2021B

SiT9103 1 - 800 3 x Differential -20 to 70
-40 to 85
±25
±50
7.0 x 5.0 1.8
2.5 to 3.3
pdf datasheet
SiT9104 1 - 220 6 x LVCMOS
-20 to 70
-40 to 85
±25
±50
7.0 x 5.0 1.8
2.5 to 3.3
pdf datasheet
SiT9105 1 - 800 1 x LVCMOS

2 x Differential
-20 to 70
-40 to 85
±25
±50
7.0 x 5.0 1.8
2.5 to 3.3
pdf datasheet

Note:

1. Mature products are not recommended for new designs.
2. Mature products will continue to be available in production volumes.
3. For replacements, refer to Recommended Devices.