A product Line of Diodes Incorporated Temperature Compensated Crystal Oscillator 2.5 x 2.0mm JT255 1.8V ~ 3.3VDC Clipped Sinewave TCXO 2.5 x 2.0mm Ceramic SMD Package: (scale-none, dimensions in mm) Recommended Land Pattern: 2.5 0.2 1.91 Product Features * Low Current * Tight temperature stability 2.0 0.2 * Clipped Sinewave output levels #4 #3 0.8 TYP. # 1 #2 * Excellent Phase Noise 1.26 0.65 TYP. * Industrial Temperature Range * Pb-free and RoHS/Green compliant Pin Functions: * Fast lead time 0.8 MAX Product Description 0.055 TYP. 0.055 TYP. 1.45 The JT255 TCXO series is a high performance temperature compensated oscillator with a clipped sinewave output for a very low operating supply current. It supports various power supply voltages, stabilties and other features. It is designed to meet existing application requirements. #1 #2 #4 #3 0.65 TYP. Pin Function 1 Ground 2 Ground 3 Output 4 VDD Typical Frequencies available MHz: 16.367667 16.369 19.200 25.000 26.000 40.000 Applications * Networking systems Part Ordering Information: * Networking T50 5 V X FFFF.FFFFFF JT255 * GPS/Navigation A * Metering Voltage: 1=+3.3V 2=+2.5V 3=+1.8V 4=+1.5V B=+3.0V C=+2.8V D=+2.7V E=+2.85V F=+2.75V G=+2.4V * Mobile and wireless * Handset B C Stability and Temp Range: Stability Temp Range -20/+70C -30/+85C -30/+75C -40/+85C +/-0.5ppm A F K P* +/-1.0ppm B G L Q +/-1.5ppm C H M R +/-2.0ppm D I N S +/-2.5ppm E J O T +/-5.0ppm W X Y U Frequency: FFFF.FFFFFF MHz, "4 digits/decimal/6 digits" format P* : This option is not available for all frequencies. Please contact Pericom sales for your special needs. Following the above format, PSE Technology Corporation part numbers will be assigned upon confirmation of exact customer requirements. (c) Diodes Incorporated JT255 Document Number DS41679 Rev 1-2 * US: +1-408-232-9100 TW: +886-3-4518888 1 * www.diodes.com January 2019 (c) Diodes Incorporporated 1.8V ~ 3.3VDC Clipped Sinewave TCXO JT255 Temperature Compensated Crystal Oscillator (TCXO) 2.5 x 2.0 mm A product Line of Diodes Incorporated Electrical Performance Parameter Min. Typ. Max. Units Notes Output Frequency 10 52 MHz Supply Voltage 1.8 3.3 V 1.5 mA Output Frequency 30 MHz 2.0 mA Output Frequency > 30 MHz 1.4 V 11 k Supply Current Output Voltage Level 0.8 Resistance Output Load Capacitance 10 9 10 Pk-Pk 11 pF 5.0 ppm See ordering options vs Load 0.2 ppm 10% load change vs Voltage 0.1 ppm 5% supply voltage change at typical load vs Temperature Frequency Stability 9 See ordering options, VDD 5% 0.5 Static Temperature Hysteresis 0.6 ppm Frequency Aging 1.0 ppm First year, +25C Frequency Tolerance After Two Reflows 2.0 ppm @ +25C3C after one hour recovery -8 dBc Harmonics Operating Temperature Range -40 85 C Storage Temperature Range -40 85 C -140 dBc/Hz 2 ms Phase Noise at 1KHz offset -135 Start up Time See ordering options At 26MHz Notes: 1. For specifications other than those listed, please contact sales. 2. Not all combinations of VDD, Operating Temperature Range, Frequency Stabilty and Output Frequency are available. 3. Frequency Stability vs. Temperature is reference to the mid-point between minimum and maximum frequency values over the specified Operating Temperature Range 4. Frequency Stability vs. Voltage and vs. Load changes are reference to the Nominal Frequency at 25C For the latest product information visit: For test circuit go to: https://www.diodes.com/part/JT255 https://www.diodes.com/assets/sre/TCXO_CLIPPEDSINE_RevB.pdf For soldering reflow profile and reliability test ratings go to: https://www.diodes.com/assets/sre/reflow.pdf For tape and reel information go to: https://www.diodes.com/assets/sre/tr-2520-xo.pdf (c) Diodes Incorporated JT255 Document Number DS41679 Rev 1-2 * US: +1-408-232-9100 TW: +886-3-4518888 2 * www.diodes.com January 2019 (c) Diodes Incorporporated 1.8V ~ 3.3VDC Clipped Sinewave TCXO JT255 Temperature Compensated Crystal Oscillator (TCXO) 2.5 x 2.0 mm A product Line of Diodes Incorporated IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2016, Diodes Incorporated www.diodes.com (c) Diodes Incorporated JT255 Document Number DS41679 Rev 1-2 * US: +1-408-232-9100 TW: +886-3-4518888 3 * www.diodes.com January 2019 (c) Diodes Incorporporated