SiT9121 High Performance Differential Oscillators

SiTime SiT9121 are highly flexible, ultra-performance, programmable differential oscillators that support LVPECL and LVDS output signaling types. The SiT9121 differential oscillators cover any frequency between 1MHz to 220MHz with an RMS phase jitter of 0.6ps. Unlike quartz or SAW based traditional oscillators, the SiT9121 is available in any combination of voltage (2.5V to 3.3V), frequency stability (±10, ±20, ±25, and ±50 PPM), and package (3225, 5032, and 7050) options.

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Description Datasheet Availability Pricing (RON) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Package/Case
Frequency
Frequency Stability
Supply Voltage - Min
Supply Voltage - Max
Output Format
Current Rating
Minimum Operating Temperature
Maximum Operating Temperature
Series
SiTime MEMS Oscillators 100MHz 25ppm 3.3V -40C to +85C
Datasheet
117In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

7 mm x 5 mm 100 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 125MHz LVDS 25PPM 3.3V -40C +85C
Datasheet
157In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

5 mm x 3.2 mm 125 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 100MHz 3.3V LVDS 20ppm
Datasheet
132In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 100 MHz 20 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 100MHz 3.3V 25ppm -40C +85C
Datasheet
244In Stock
250Expected 5/13/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 100 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 200MHz 50ppm 3.3V -40C to +85C
Datasheet
125In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 200 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators -40 to 85C, 3225, 25ppm, 3.3V, 150MHz, OE, LVDS, 250 pcs T&R 8 mm
Datasheet
238In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 50 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators -20 to 70C, 7050, 10ppm, 3.3V
Datasheet
222In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

7 mm x 5 mm 77.76 MHz 10 PPM 2.97 V 3.63 V LVDS 69 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 200MHz 3.3Volt 50ppm -40C +85C
Datasheet
50On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 200 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 25ppm 156.25MHz 3.3V -40C to +85C
Datasheet
Non-Stocked Lead-Time 6 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 156.25 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 148.5MHz +/-20ppm 3.3V+/-10% -40C+85C
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 250
Mult.: 250
Reel: 250

3.2 mm x 2.5 mm 148.5 MHz 20 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 0 0
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

7 mm x 5 mm 75.497472 MHz 10 PPM 2.97 V 3.63 V LVPECL 69 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 3.3V 125MHz LVDS -20 to 70C 50ppm
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

5 mm x 3.2 mm 125 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 66.67MHz 50ppm 3.3V -20 to +70C LVDS
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

5 mm x 3.2 mm 66.67 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 125MHz 3.3Volt 25ppm -20C to 70C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 125 MHz 10 PPM 2.97 V 3.63 V LVDS 55 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 25MHz 3.3Volt 25ppm -20C to 70C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 25 MHz 10 PPM 2.97 V 3.63 V LVDS 55 mA - 20 C + 70 C SIT9121
SiTime MEMS Oscillators 125MHz 3.3Volt LVDS 10ppm -40C +85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 125 MHz 10 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 50ppm 108MHz 3.3V -40C to +85C
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 108 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 135MHz 50ppm 3.3V -40 to +85C LVDS
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

3.2 mm x 2.5 mm 135 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 60MHz 3.3Volt 50ppm -40C +85C
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

5 mm x 3.2 mm 60 MHz 50 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 128MHz 2.5Volt 10ppm -40 to 85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 128 MHz 10 PPM 2.25 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 156.25MHz 2.5Volt 10ppm -40 to 85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 156.25 MHz 10 PPM 2.25 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 200MHz 2.5Volt 10ppm -40 to 85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 200 MHz 10 PPM 2.25 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 200MHz 10ppm 3.3V -40C to +85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

5 mm x 3.2 mm 200 MHz 10 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SiT9121
SiTime MEMS Oscillators 150MHz 25ppm 3.3V -40C to +85C
Datasheet
Non-Stocked
Min.: 250
Mult.: 250
Reel: 250

7 mm x 5 mm 150 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121
SiTime MEMS Oscillators 200MHz 25ppm 3.3V -40C to +85C
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

7 mm x 5 mm 200 MHz 25 PPM 2.97 V 3.63 V LVDS 55 mA - 40 C + 85 C SIT9121