High Accuracy EPROM Programmable PLL Die for Crystal Oscillators
Features
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Erasable programmable read only memory (EPROM) - programmable die for in-package programming of crystal oscillators
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High resolution Phase locked loop (PLL) with 12-bit multiplier and 10-bit divider
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EPROM programmable capacitor tuning array with optional shadow register
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Twice programmable die
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Simple 2-wire programming interface
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On-chip oscillator runs from 10 MHz to 30 MHz fundamental tuned crystal
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EPROM-selectable Transistor transistor logic (TTL) or Complementary metal oxide semiconductor (CMOS) duty cycle levels
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Operating frequency:
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For more, see pdf
Functional Description
CY2037 is an EPROM-programmable, high accuracy, PLL-based die designed for the crystal oscillator market. The die attaches directly to a low cost 10 to 30 MHz crystal and can be packaged into a 4-pin through-hole or surface mount packages. The oscillator devices may be stocked as blank parts and custom frequencies programmed in-package at the last stage before shipping. This enables fast-turn manufacture of custom and standard crystal oscillators without the need for dedicated, expensive crystals.
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