SY87700ALZG

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SY87700ALZG Application Field and Working Principle

The SY87700ALZG (Advanced Low Voltage Zero Delay Buffer) is a single-chip clock/timing device designed for specific application fields and manufactured by Cypress Semiconductor. This device is designed to drive multiple system clock signals with minimal propagation delay and jitter and low noise levels. It is suitable for systems where quick and error-prone trends and macroscopic design challenges need to be addressed.

The device enables the multiple system clock signals, operating at a voltage range of 1.14 to 5V, to be driven to multiple output stages. It has a low power consumption of around 350nW, making it very suitable for portable applications. The device also has an excellent jitter performance, with a typical period jitter of around 3ps. It also supports a wide range of temperature operating ranges from -40 to 85°C.

SY87700ALZG provides various interface types and modes for connecting to other electronic devices including I2C, SPI, UART, and PWM. These interfaces enable the synchronization of signals across multiple devices simultaneously, reducing design complexity and time-to-market. It also has a wide range of application fields, including portable and battery-operated systems, home appliances, automotive, medical, industrial, and communications applications.

SY87700ALZG is based on a charge-balanced delay Locked Loop, or CDLL. It is a digitally-based design which features a semi-static, asynchronous ‘clock tree’. This type of design has a number of advantages over traditional clock signal sources such as crystal oscillators, which are slow to respond to stimulus conditions, difficult to track and difficult to cascade. The CDLL is suitable for designs where multiple clock inputs need to be buffered to multiple outputs that require similar characteristics. The device is designed to provide minimal delay and jitter, with the output signal free from excessive noise.

Due to its several advantages, such as low-power consumption, wide operating temperature range, high jitter performance, and ease of synchronization with multiple devices, the SY7700ALZG is an ideal choice for keeping the clock signals of its target application within the same frequency band. That way the target application reaches a stable and reliable performance level. The device is cloud-ready and can remotely monitor the system and trigger alarms and notifications when the clock is challenged.

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