Product overview/Reason for recommending it

We would like to introduce SiTime's lineup of MEMS oscillators for aerospace and defense applications.

Hardware systems for aerospace and defense applications require high reliability in harsh environments.
We recommend that you select clock parts from highly reliable products (*).
SiTime's MEMS oscillator for aerospace and defense applications has the following features.
It has higher reliability than conventional crystal oscillators and crystal resonators, and can be used with confidence in terms of quality.

Features
・Guaranteed wide operating temperature range
・100% temperature screened
・Mil standard compliant

*Reference information: Select a high-quality MEMS oscillator for aerospace and defense applications!

lineup

SiTime's MEMS oscillators for aerospace and defense applications are available by selecting your desired specifications from the lineup below.
This type is programmed at the time of shipment. For details, please refer to the model name link in the list below.

In addition, SiTime's MEMS oscillator has the jitter characteristics of general programmable oscillators by making improvements to the oscillation circuit.
We have also overcome common challenges.

Choose from a wide range of SPXOs, TCXOs, differential oscillators, 32kHz, and spread spectrum oscillators.
It is possible.


*Scroll to the right at the bottom of the lineup table below to see the operating temperature range.
(List items: type, model name, frequency, frequency deviation, output, package size, temperature range)

type type name frequency Frequency deviation (ppm) output Package (mm) Temperature range (℃)

SPXO

(General purpose package oscillator)

SiT2044

SiT2045

SiT2044:1~110MHz

SiT2045:115~137MHz

±20
±25
±50

LVCMOS

SOT23 (2.9x2.8)

-40 to +105

-40 to +125

-55 to +125

SPXO

SiT8944

SiT8945

SiT8944:1~110MHz

SiT8945:115~137MHz

±20
±25
±50

LVCMOS

2.0x1.6
2.5x2.0
3.2x2.5
5.0x3.2
7.0x5.0

-40 to +105

-40 to +125

-55 to +125

TCXO

SiT5146

SiT5147

SiT5146:1~60MHz

SiT5147:60~220MHz

±0.5

±1

±2.5

LVCMOS

Clipped Sinewave

5.0x3.2

-20 to +70

-40 to +85

-40 to +105

-55 to +105

TCXO

SiT5346

SiT5347

SiT5346:1~60MHz

SiT5347:60~220MHz

±0.1

±0.2

±0.25

LVCMOS

Clipped Sinewave

5.0x3.2

-20 to +70

-40 to +85

-40 to +105

TCXO

SiT5348

SiT5349

SiT5348:1~60MHz

SiT5349:60~220MHz

±0.05

LVCMOS

Clipped Sinewave

5.0x3.2

0 to +70

TCXO

SiT5541

SiT5543

1~60MHz

SiT5541:±0.01

SiT5543:±0.005

LVCMOS

Clipped Sinewave

7.0x5.0

-40 to 85

-40 to 105

differential oscillator

SiT9346

1~220MHz

±10
±20
±25
±50

LVPECL

LVDS

HCSL

3.2x2.5
5.0x3.2
7.0x5.0

-40 to +105

differential oscillator

SiT9347

220~725MHz

±10
±20
±25
±50

LVPECL
LVDS
HCSL

3.2x2.5
5.0x3.2
7.0x5.0

-40 to +105

small differential oscillator

SiT9356

SiT9357

SiT9356:1~220MHz

SiT9357:220~900MHz

±20

±50

LVPECL

LVDS

HCSL

Low-power HCSL

FlexSwing

2.0 x 1.6

2.5 x 2.0

3.2 x 2.5

-40 to 85
-40 to 105
-40 to 125
-55 to 125

Low jitter differential oscillator

SiT9551

25~644MHz

±20

±50

LVPECL

LVDS

HCSL

Low-power HCSL

FlexSwing

2.0 x 1.6

2.5 x 2.0

3.2 x 2.5

-40 to 85
-40 to 105
-40 to 125
-55 to 125

32.768kHz oscillator

SiT7910

32.768kHz

±0.1

±0.2

±0.4

LVCMOS

2.5×2.0

-40 to 85

-40 to 105

-55 to 105

DCXO

Digitally controlled oscillator

SiT3541

SiT3542

SiT3541:1~340MHz

SiT3542:340~725MHz

±20
±25
±50

LVPECL

LVDS

HCSL

5.0 x 3.2

-40 to 85

VCXO

voltage controlled oscillator

SiT3342

SiT3343

SiT3342:1~220MHz

SiT3343:220~725MHz

±15 (SiT3342 only)

±25

±35

±50

LVPECL

LVDS

HCSL

3.2x2.5
5.0x3.2
7.0x5.0

-40 to +105

Oscillator with spread spectrum function

SiT9045 1~150MHz ±20
±25
±50
LVCMOS 2.0x1.6
2.5x2.0
3.2x2.5
-55 to +125

Contact Us / Data Sheet / Quote

If you have any questions or requests for data sheets regarding this product, please contact us using the "Contact Us" button below.

An evaluation board is also available.

If you would like an estimate, please request it from the "Estimate button".

Recommended for such applications

Ideal for aerospace and defense applications that require high reliability.

In particular, we recommend MEMS oscillators in cases where high precision and high reliability are required, such as those listed below, as they match the features of MEMS oscillators.

 - GNSS

- Wireless

- Projectile

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