ZL30146GGG

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The ZL30146GGG is an Application Specific Clock Generator (ASIC) designed to provide up to 3 interrupt pixels and double buffering for digital video application. It is typically used in HDTV, DVD and set top box applications. It provides high performance clock synchronization, precision timing and clock-distribution services to a variety of digital signal sources.

The ZL30146GGG is an outstanding choice for these applications due to its many features, such as programmable pixel rate, double buffering, low power consumption, and flexible clock synchronization. In addition, its double buffering capability facilitates high-quality image reproduction. The device utilizes a unique design based on a self-synchronized hardware system to reduce clock jitter and minimize power consumption, resulting in a highly reliable system-level performance.

The ZL30146GGG is designed to generate pixel clocks, for example by a frequency synthesizer, to provide accurate and uniform pixel rate generation for digital video applications. The output frequency range can be adjusted from a few kHz to 75 MHz. It is also capable of providing double buffering, a feature which enables performance of subpixel reconstruction and enhances image quality. Furthermore, its high integration allows only a few passive components to be integrated into the device.

At the heart of the ZL30146GGG is a Digital Frequency Synthesizer (DFS) that generates all of the clock requirements in the digital world, including clocks for various resolutions. The DFS utilizes the Y-Coordinates Mode control which enables the device to select clock speeds based on the Y-coordinates of the displayed output. Through better synchronization with the output device, the change of clock speed ensures a better display performance.

The ZL30146GGG also features an interrupt pin that can generate three different active signals when an interrupt (INT) signal is received. This provides programmable hardware interrupts based on the specified level of the INT signal and thus allows for rapid communication with the display device. The device also contains a clock output buffer and a serial peripheral interface to provide ease of clock synchronization and programmability.

The ZL30146GGG is suitable for a variety of digital video applications. It offers a high performance clock generator for the most demanding applications, along with the flexibility of double buffering and a low power design. As such, it is the ideal choice for HDTV, DVD, and set top box applications.

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