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| Crystal | JITO®-2 |
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1. What are the differences between JITO and JITO-2? For answer click here. 2. How does the JITO-2 compare with the next closest non-pll oscillator? For answer click here. 3. What do I do with the extra 2 pads on JITO-2? For answer click here. 4. What information do I need to get a sample of JITO-2? For answer click here. Answers 1. What are the differences between JITO and JITO-2? The JITO-2 offers several new features and enhancements over the original JITO. The frequency range has been extended to 250MHz from the original 125MHz. The surface mount version now has an enable/disable feature on pad 1. There are more frequency stability/operating temperature ranges available. There are now PECL as well as HCMOS output options. Lastly, there is no power supply ramp speed requirement on the JITO-2. 2. How does the JITO-2 compare with the next closest non-pll oscillator? The JITO-2 was designed to be as close as possible a cross to the next closest non-pll oscillator but with a big improvement in delivery time. It is particularly well suited for microprocessor and microcontroller applications. Crystal controlled phase locked loop oscillators have more jitter than non-PLL which can impact some communications applications. 3. What do I do with the extra 2 pads on JITO-2? The surface mount version of JITO-2 has 6 pads. If the device is configured as an HCMOS device then the center two pads should be left open. If the device is configured for PECL output, then pad 2 is a complementary output. In both cases, pad 5 is used for programming the output frequency by Fox and should be left no connect by the customer. 4. What information do I need to get a sample of JITO-2? A valid part number and frequency such as a JITO-2-DC5AE-40.000MHz. A
shipping address and contact name. An estimate of annual potential
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