CY2037

CY2037 High-Accuracy EPROM-Programmable PLL Die for Crystal Oscillators High-Accuracy EPROM-Programmable PLL Die for Crystal Oscillators Features ■ Erasable programmable read only memory (EPROM) programmable die for in-package programming of crystal oscillators ■ High resolution Phase locked loop (PLL) with 12-bit multiplier and 10-bit divider ■ EPROM programmable capacitor tuning array with optional shadow register ■ Twice programmable die ■ Simple two-wire programming interface ■ On-chip oscillator runs from 10 MHz to 30 MHz fundamental tuned crystal ■ EPROM-selectable Transistor transistor logic (TTL) or Complementary metal oxide semiconductor (CMOS) duty cycle levels ■ Operating frequency: ❐ 1 MHz to 133 MHz at 5 V ❐ 1 MHz to 100 MHz at 3.3 V ❐ 1 MHz to 66.6 MHz at 2.7 V ■ Eight selectable post divide options, using PLL or reference oscillator output ■ Programmable asynchronous or synchronous OE and power-down (PD#) modes(CY2037 and CY2037-2) ■ Frequenc...