Specification	SIT3521AI-1C230-2Y50.000000Y

Absolute Pull Range (Maximum)	780 ppm
Absolute Pull Range (Minimum)	-780 ppm
Base Resonator	MEMS
Current - Supply (Disable) (Max)	58 mA
Current - Supply (Max)	93 mA
Frequency	50 MHz
Frequency Stability	25 ppm
Function	Enable, Disable
Height - Seated (Max)	0.035 in
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output	LVPECL
Package / Case	10-VQFN Exposed Pad
Package Length	5 mm
Package Name	10-QFN
Package Width	3.2 mm
Size / Dimension Length	0.197 in
Size / Dimension Width	0.126 in
Type	DCXO
Voltage - Supply	3 V

SIT3521 Series

Part	Current - Supply (Disable) (Max)	Height - Seated (Max)	Base Resonator	Operating Temperature (Min)	Operating Temperature (Max)	Size / Dimension Length	Size / Dimension Width	Output	Type	Frequency	Current - Supply (Max)	Mounting Type	Function	Package Length	Package Name	Package Width	Frequency Stability	Absolute Pull Range (Minimum)	Absolute Pull Range (Maximum)	Package / Case	Voltage - Supply
SiTime SIT3521AI-2C333-GU24.000000Y	61 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVDS	DCXO	24 MHz	89 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	50 ppm	-3145 ppm	3145 ppm	10-VQFN Exposed Pad	3.3 V
SiTime SIT3521AI-2C1331GU32.768000	61 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVDS	DCXO	32.768 MHz	80 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	20 ppm	-3185 ppm	3185 ppm	10-VQFN Exposed Pad	3.3 V
SiTime SIT3521AI-2C333-GU24.000000S	61 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVDS	DCXO	24 MHz	89 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	50 ppm	-3145 ppm	3145 ppm	10-VQFN Exposed Pad	3.3 V
SiTime SIT3521AI-2C333-GG24.000000T	61 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVDS	DCXO	24 MHz	89 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	50 ppm	-70 ppm	70 ppm	10-VQFN Exposed Pad	3.3 V
SiTime SIT3521AI-4C1251SE100.000000S	60 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	HCSL	DCXO	100 MHz	80 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	20 ppm	-75 ppm	75 ppm	10-VQFN Exposed Pad	2.5 V
SiTime SIT3521AI-1C230-2Y50.000000Y	58 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVPECL	DCXO	50 MHz	93 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	25 ppm	-780 ppm	780 ppm	10-VQFN Exposed Pad	3 V
SiTime SIT3521AC-4C333-0Z50.000000S	60 mA	0.035 in	MEMS	-20 °C	70 °C	0.197 in	0.126 in	HCSL	XO (Standard)	50 MHz	80 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	50 ppm	-1545 ppm	1545 ppm	10-VQFN Exposed Pad	3.3 V
SiTime SIT3521AI-1C230-2Y50.000000T	58 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVPECL	DCXO	50 MHz	93 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	25 ppm	-780 ppm	780 ppm	10-VQFN Exposed Pad	3 V
SiTime SIT3521AI-1C230-3Y50.000000X	58 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	LVPECL	DCXO	50 MHz	93 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	25 ppm	-780 ppm	780 ppm	10-VQFN Exposed Pad	3 V
SiTime SIT3521AI-4C233-0Z50.000000Y	60 mA	0.035 in	MEMS	-40 °C	85 °C	0.197 in	0.126 in	HCSL	DCXO	50 MHz	80 mA	Surface Mount	Disable Enable	5 mm	10-QFN	3.2 mm	25 ppm	-1585 ppm	1585 ppm	10-VQFN Exposed Pad	3.3 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	N/A	0	$ 13.86	1m+
	Tape & Reel (TR)	1000	$ 13.99	1m+