CY29774AXIT

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CY29774AXIT is an integrated PLL (phase-locked loop) clock generator with an integrated voltage-controlled crystal oscillator for high-performance clock distribution and synchronization applications in computing, embedded, and communication systems. The device provides an internal reference oscillator and an external crystal oscillator that is running at higher frequency, allowing for differential and single-ended clock outputs of various frequencies and duty cycles. It also provides multiple power domains for load-sum or load-balancing applications.

The device combines a voltage-controlled crystal oscillator (VCXO) and a PLL, which reduces the components required within the device package. VCXOs offer better performance integrity and flexibility instead of traditional crystal oscillators. The CY29774AXIT also provide low-noise operation, flexibility, and low power consumption, making it suitable for applications with tight budget and power constraints.

The CY29774AXIT has a single reference oscillator, with a prescaler, that enables it to generate different clock frequencies and duty cycles. This device operates with a wide input voltage range and can keep accurate frequency and duty cycle at any given operating temperature. It features an integrated output signal conditioning circuitry and cappings, thereby eliminating the need for external signal conditioning.

The CY29774AXIT has various power domains that provide synchronization, load-balancing and optimization support to applications. With its LOAD CELL (Load Conservation Lock) system, it can balance the load across all clock outputs, ensuring the outputs stay within their specified tolerance across the entire temperature range. It also has a power-down mode and fast startup capabilities, which can reduce power consumption in applications where power saving is a requirement.

CY29774AXIT’s PLLs operate in two modes: Divide-By-N and Frequency Multiplication. In Divide-By-N mode, the PLLs divide the reference frequency, allowing for various clock outputs to be generated from a single reference input frequency. In Frequency Multiplication mode, the PLLs multiply the reference frequency, allowing for higher frequency outputs to be generated from lower frequency inputs. This makes it an ideal solution for applications that require higher frequency output speeds.

The CY29774AXIT is an ideal solution for clock and timing applications in computing, embedded, and communication systems. The device provides an integrated voltage-controlled crystal oscillator and PLL, allows for a variety of output frequencies and duty cycles, and supports multiple power domains for load-sum or load-balancing applications. It features an integrated output signal conditioning circuitry and cappings, along with power-down mode, fast startup capabilities, and LOAD CELL support, all in a low-power consumption package.

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