SY100S838ZC

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The SY100S838ZC is a clock generator, PLL, and frequency synthesizer and can be used in a variety of applications. Made by Syhol Electronics, the SY100S838ZC is a single chip solution for generating precise clock signals by phase-locking multiplexer (PLL) technology. The device includes an internal phase-locked loop (PLL), clock generator, and a clock synthesizer, which are all housed in a 16-pin plastic small-outline package (SOIC).

The SY100S838ZC operates with an input frequency range of 8 MHz to 64 MHz. It can pulse-width modulate (PWM) output frequencies that range from 0.125 MHz to 32 MHz with an output accuracy tolerance of 0.5%. When connected to a base microcontroller, the SY100S838ZC can be programmed to generate clock signals that are based on processor-specified parameters. The device has two programmable input signals (CLKIN and CLKIN2), which provide the ability to select between two supplied input reference frequencies at any time.

The SY100S838ZC requires an external crystal oscillator (XO) to derive the reference frequency and uses a programmable dividers/multipliers to generate frequency synthesized outputs. It features four output clocks (CLK0, CLK1, CLK2, CLK3) that can be used to produce square or sine waves or the PWM output frequency. CLK0 and CLK1 both have internal enable/disable logic that can be used to enable or disable one or both outputs. CLK3 is used to provide an enable/disable logic for a separate divided frequency clock (such as a low-speed task clock).

The PLL frequency synthesizer in the SY100S838ZC can be programmed to lock its output frequencies at any of the available multiples or fractions of the input reference frequency. This helps in optimizing the performance of the SY100S838ZC clock generator, which would otherwise be limited by the accuracy of the external crystal oscillator. The device also has an integrated jitter attenuator which helps reduce the amount of jitter in the output signals.

The SY100S838ZC can be used in a wide range of applications in different fields. It can be used in communication systems such as mobile telecommunication networks, mobile internet, DSL/ADSL modems, broadband data transmission, and other high-speed communication systems. It is also an ideal solution for clock generation in computing systems such as desktops, laptops, servers, and other computer systems that require precision clock signals.

The SY100S838ZC is also widely used in multimedia applications such as audio and video processing, digital signal processing, and voice-over-IP (VoIP) applications. It is even used in medical systems such as medical imaging, patient monitoring devices, and medical diagnostic systems. In addition, the device has been used in display systems such as projectors, edge-lit displays, transmissive display panels, and LCD/plasma televisions.

In terms of working principle, the SY100S838ZC is composed of multiple elements working together. The primary components are a reference input clock on ClkIN, an on-chip voltage-controlled oscillator (VCO), and a phase-locked loop (PLL) that use the feedback generated by the VCO to produce a stable, high-frequency clock output. The programmable dividers/multipliers are used to generate synthesized output frequencies from the reference frequency. The device has a wide frequency range, adjustable control and jitter attenuation that allow it to generate accurate frequencies from the reference clock.

Overall, the SY100S838ZC is an excellent choice for clock generation applications that require precision and stability. It is a single-chip solution for generating clock frequencies from 8 MHz to 64 MHz and can produce reference frequencies from 0.125 MHz to 32 MHz. It is a highly reliable device that is widely used in a number of different fields and can help cut costs by eliminating the need for multiple clock generators.

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