8N4SV76EC-0146CDI

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The 8N4SV76EC-0146CDI is a Programmable Timers and Oscillators (PTO) design from NXP, a global chip maker. The device is ideal for digital clock generator applications, offering the flexibility and reliability of digital control. With the PTO design, user can quickly program the 8N4SV76EC-0146CDI registers to control oscillator frequency, duty cycle and minimum output high/low widths.

The 8N4SV76EC-0146CDI provides a low power precision low jitter timing source with a programming range of 0.1Hz to 1.6GHz and jitter of 0.2ps RMS. The internal 5-bit PLL divides an external PECL input clock by an integer ranging from 1 to 32. The device delivers excellent repeatability and accuracy, with a typical frequency accuracy of 1 %. This is achieved through the on-chip temperature compensation algorithm that provides an accurate temperature compensated frequency over a full temperature range.

The 8N4SV76EC-0146CDI features an integrated phase-lock-loop (PLL), pulse-width modulation (PWM), and oscillator circuitry. The oscillator design is based on crystal operation, allowing for excellent frequency control. The PLL and PWM outputs support a wide variety of frequencies, making the 8N4SV76EC-0146CDI a powerful device for clocking applications.

On the external side, the device features a 3.3V input, 0.1uF ceramic bypass capacitors, and a 50 Ohm SMA adjustment terminal. The programmable outputs are CMOS compatible, with a wide operating temperature range of -40°C to +105°C. An LED indicator is provided to signal PLL lock as well as power-up reset. The device is offered in a 48-pin lead-free SOIC package.

In operation, the 8N4SV76EC-0146CDI PTO allows the user to choose a crystal oscillator to control the frequency of a digital clock. The external input clock is divided by the on-chip PLL, allowing the 8N4SV76EC-0146CDI to generate the precise clock frequency needed. The user can program the registers to achieve the desired output frequency, duty cycle, and minimum output high and low widths. Additionally, the PLL can be configured for frequency modulation, allowing for an optimized solution for many applications.

The 8N4SV76EC-0146CDI Programmable Timers and Oscillators from NXP is a powerful choice for clocking applications, delivering precise timing and high reliability, along with the flexibility of digital control. With a wide frequency range and excellent temperature compensation, the 8N4SV76EC-0146CDI is ideal for a range of digital timing and clock generator applications.

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