Clock Oscillators (XO)

Clock oscillator mounted on pc board

Clock Oscillators are the heart of frequency control products, and CTS offers the widest array of Crystal Oscillators (XOs) in the industry. Whether you need a simple reference clock or you are developing a mission critical system, we have the right crystal oscillators to help. Our team will help you select the right clock oscillators in packages as small as 2.5mm×2.0mm.

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Technical Resources

Low Phase Noise Fundamental and 3^rd Overtone Crystal Designs
Ultra-Low Phase Noise and Jitter
Standard Output Types – HCMOS, LVPECL, LVDS & HCSL
High-Frequency Options Available – Reaching 2.1GHz
Low-Cost Small Package Footprints – to 2.0mmx1.6mm Size
Real Time Clock Reference @ 32.768kHz w/ Ultra-Low Current Option Available (10µA Maximum)
Automotive [AEC-Q200] & Industrial Grade Products; Operating Temperatures to -40°C to +125°C
Extreme Temperature (-55°C to +125°C), Shock and Vibration Capability

Networking and Data Storage Equipment
10G, 40G, 100G and SyncE Ethernet Protocols
Wireless Communications – Bluetooth, Zigbee, Wi-Fi protocols
Base Station Infrastructures
PCI Express (PCIe Gen 5)
FPGA and Microcontroller Frequency Reference
Internet of Things (IoT) Applications
Smart Energy Monitoring Equipment for Electric, Water and Gas Meters
Medical Monitoring Devices
Test and Measurement Instrumentation
Industrial Controllers – M2M communications
Automotive Electronics – Car Infotainment and Mobile Multimedia Systems
Military Communication and Radar Applications

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12 Results Listed

Causes of Crystal Aging in Oscillators

Abstracts / White Papers, Application Notes / Tech Briefs

Clock Oscillators for Gigabit Ethernet

Application Notes / Tech Briefs

Clock Termination Techniques and Layout Considerations

Application Notes / Tech Briefs

CTS Crystal Solutions for Zigbee Radio Applications

Control Oscillators for Telecom Timing and Synchronization

Application Notes / Tech Briefs

Thumbnail of PDF Document with text of application note

Crystal Oscillator Handling Guide

Application Notes / Tech Briefs

CTS Frequency Code Tables

CTS HCSL Reference Clocks - Application Note

Frequency Control HCSL Reference Clocks

Application Notes / Tech Briefs

Frequency Control Products - Clock Oscillators Brochure

Comprehensive brochure and catalog of CTS Clock Oscillators

Brochures / Catalogs

High-Temperature Frequency Control Solutions

Abstracts / White Papers, Application Notes / Tech Briefs

Jitter and Phase Noise Reduction in Timing References - CTS Corporation

Jitter & Phase Noise in Timing References

Abstracts / White Papers, Application Notes / Tech Briefs

Packaging and Sealing Methods for CTS Frequency Control Products

Quartz Oscillator Packaging and Sealing Methods

Application Notes / Tech Briefs

Vibration-Induced Phase Noise in Quartz Oscillators

Abstracts / White Papers, Application Notes / Tech Briefs

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Results Updated

53 Results Listed

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Series	Output	Frequency Range (MHz)	Frequency Stability (PPM)	Noise (Jitter pS)	Package (mm)	Voltage (V)	Temperature Range (C)	Data Sheet	ROHS	Reach Statement
625	HCMOS	1.0 - 160	±50±30±25±20	0.5 typical (< 1.0 max)	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
626	LVDSLVPECL	6 - 220	±50±30±25±20	0.5 [40MHz - 220MHz] <1.0 [6MHz - 39.999MHz]	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
632	HCMOS	1.0-160	±50±30±25±20	0.5 typical (< 1.0 max)	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
633	LVDSLVPECL	10-220	±50±30±25±20	0.5 [40MHz - 220MHz] <1.0 [10MHz - 39.999MHz]	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
634C	HCMOS	10-250	±50±30±25±20	0.6	3.2x2.5 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
634L	LVDS	10-800	±50±30±25±20	0.5	3.2x2.5 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
634P	LVPECL	10-800	±50±30±25±20	0.5	3.2x2.5 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
636	HCMOSTTL	1.0 - 160	±50±30±25±20	0.5 typical (< 1.0 max)	5.0x3.2 SMD	1.8V2.5V3.3V5.0V	-40°–85°-40°–105°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
637	LVDSLVPECL	10 - 320	±50±30±25±20	0.5 typical (< 1.0 max)	7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
638	LVDSLVPECL	80 - 170	±50±30±25±20	0.1 typical (0.2 max)	7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
642H	HCSL	13.5 - 156.25	±100±50±30±25	0.5 typical	2.5 x 2.0 SMD	2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
643H	HCSL	13.5 - 156.25	±100±50±30±25	0.5 typical	3.2x2.5 SMD	2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
645H	HCSL	13.5 - 160	±100±50±30±25	0.5 typical	5.0x3.2 SMD	2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
647H	HCSL	13.5 - 200	±100±50±30±25	0.5 typical	7.0x5.0 SMD	2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
653	LVDSLVPECL	10 - 320	±50±30±25±20	0.5 typical (< 1.0 max)	5.0x3.2 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
654C	HCMOS	10 - 250	±50±30±25±20	0.6	5.0x3.2 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
654L	LVDS	11 - 1000	±50±30±25±20	1.5	5.0x3.2 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
654P	LVPECL	10 - 1000	±50±30±25±20	0.5	5.0x3.2 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
655	LVDSLVPECL	80 - 170	±50±30±25±20	0.1 [125MHz - 170MHz]\|0.2 [80MHz - 124.9MHz]	5.0x3.2 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-20°–70°	Data Sheet	ROHS	Reach Statement
656C	HCMOS	10 - 250	±50±30±25±20	0.6	7.0x5.0 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
656L	LVDS	10 - 1000	±50±30±25±20	0.5	7.0x5.0 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
656P	LVPECL	10 - 1000	±50±30±25±20	0.5	7.0x5.0 SMD	2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CA20C	HCMOS	1.25 - 100	±100±150±50±30±25	0.5 typical (< 1.0 max)	2.0 x 1.6 SMD	1.8V2.5V3.3V	-55°–105°-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA25C	HCMOS	1.25 - 156.25	±100±150±50±30±25	0.5 typical (< 1.0 max)	2.5 x 2.0 SMD	1.8V2.5V3.3V	-55°–105°-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA25L	LVDS	13.5 - 160	±100±150±50±30±25	0.5 max	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA25P	LVPECL	13.5 - 160	±100±150±50±30±25	0.5 max	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA32C	HCMOS	1.25 - 156.25	±100±150±50±30±25	0.5 typical (< 1.0 max)	3.2x2.5 SMD	1.8V2.5V3.3V	-55°–105°-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA32L	LVDS	13.5 - 160	±100±150±50±30±25	0.5 max	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA32P	LVPECL	13.5 - 160	±100±150±50±30±25	0.5 max	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA50C	HCMOS	1.25 - 156.25	±100±150±50±30±25	0.5 typical (< 1.0 max)	5.0x3.2 SMD	1.8V2.5V3.3V5.0V	-55°–105°-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA50L	LVDS	13.5 - 160	±100±150±50±30±25	0.5 max	5.0x3.2 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA50P	LVPECL	13.5 - 160	±100±150±50±30±25	0.5 max	5.0x3.2 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA70C	HCMOS	1.25 - 156.25	±100±150±50±30±25	0.5 typical (< 1.0 max)	7.0x5.0 SMD	1.8V2.5V3.3V5.0V	-55°–105°-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA70L	LVDS	13.5 - 160	±100±150±50±30±25	0.5 max	7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CA70P	LVPECL	13.5 - 160	±100±150±50±30±25	0.5 max	7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-40°–105°-40°–125°	Data Sheet	ROHS	Reach Statement
CB1V8	HCMOS	1.0 - 160	±50±30±25±20	0.5 typical (< 1.0 max)	7.0x5.0 SMD	1.8V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CB2V5	HCMOS	1.0 - 160	±50±30±25±20	0.5 typical (< 1.0 max)	7.0x5.0 SMD	2.5V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CB3LV	HCMOSTTL	1.0 - 200	±50±30±25±20	0.5 typical (< 1.0 max)	7.0x5.0 SMD	3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CB3LV-S4	HCMOSTTL	1.5 - 80	±32	0.5 typical (< 1.0 max)	7.0x5.0 SMD	3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CC	LVDSLVPECL	100 - 2,100	±50±25	0.15 typical (< 0.3 max)	3.2x2.5 SMD5.0x3.2 SMD7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
CHT25	HCMOS	1.25 - 156.25	±100±75±50	0.5 typical (< 1.0 max)	2.5 x 2.0 SMD	1.8V2.5V3.3V	-55°–105°-55°–125°	Data Sheet	ROHS	Reach Statement
CHT32	HCMOS	1.25 - 156.25	±100±75±50	0.5 typical (< 1.0 max)	3.2x2.5 SMD	1.8V2.5V3.3V	-55°–105°-55°–125°	Data Sheet	ROHS	Reach Statement
CHT50	HCMOS	1.25 - 156.25	±100±75±50	0.5 typical (< 1.0 max)	5.0x3.2 SMD	1.8V2.5V3.3V5.0V	-55°–105°-55°–125°	Data Sheet	ROHS	Reach Statement
CHT70	HCMOS	1.25 - 156.25	±100±75±50	0.5 typical (< 1.0 max)	7.0x5.0 SMD	1.8V2.5V3.3V5.0V	-55°–105°-55°–125°	Data Sheet	ROHS	Reach Statement
MXO45	HCMOS	1.0 - 200	±50±25±20	0.7 typical (<1.0 max)	13.2 x 13.2 Thru-Hole20.8 x 13.2 Thru-Hole	5.0V	-40°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
MXOHT	HCMOS	1.0 - 125	±100±75±50	0.5 typical (< 1.0 max)	13.2 x 13.2 Thru-Hole20.8 x 13.2 Thru-Hole	1.8V2.5V3.3V5.0V	-55°–105°-55°–125°	Data Sheet	ROHS	Reach Statement
TC20	HCMOS	0.032768	±50±30±25±20	1	2.0 x 1.6 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TC25	HCMOS	0.032768	±50±30±25±20	1	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TC32	HCMOS	0.032768	±50±30±25±20	1	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TC50	HCMOS	0.032768	±50±30±25±20	1	5.0x3.2 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TC70	HCMOS	0.032768	±50±30±25±20	1	7.0x5.0 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TCLP25	HCMOS	0.032768	±50±30±25±20	1	2.5 x 2.0 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement
TCLP32	HCMOS	0.032768	±50±30±25±20	1	3.2x2.5 SMD	1.8V2.5V3.3V	-40°–85°-30°–85°-20°–70°	Data Sheet	ROHS	Reach Statement

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Clock Oscillators (XO)

625

632

636

CB3LV

Product (Family)

Resource Type

Causes of Crystal Aging in Oscillators

Clock Oscillators for Gigabit Ethernet

Clock Termination Techniques and Layout Considerations

Control Oscillators for Telecom Timing and Synchronization

Crystal Oscillator Handling Guide

CTS Frequency Code Tables

Frequency Control HCSL Reference Clocks

Frequency Control Products - Clock Oscillators Brochure

High-Temperature Frequency Control Solutions

Jitter & Phase Noise in Timing References

Quartz Oscillator Packaging and Sealing Methods

Vibration-Induced Phase Noise in Quartz Oscillators

Keywords

Output

Frequency Stability

Package

Voltage

Temperature Range

Where to Buy