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Overview of the Maxim Integrated DS1087LU-13C The DS1087LU-13C is a high-performance programmable clock generator designed for a wide range of applications that require precise timing. This IC can generate output clock frequencies from a reference frequency using a variety of settings for customization. It is suitable for various communication protocols and system requirements in different industrial and consumer electronics applications. Functions 1. Programmable Clock Generation: The DS1087 can produce multiple clock frequencies from a single input reference frequency. 2. Selectable Output Frequencies: It allows the selection of various output frequencies based on the internal programmable dividers and multipliers. 3. Synchronous Operation: The clock generator supports synchronous operation to reduce jitter and improve signal integrity. 4. Low-Power Operation: Its design emphasizes low power consumption, making it suitable for battery-operated devices. 5. Easy Configuration: Configuration can be accomplished through simple settings or programming via external connections. Applications 1. Computer and Peripheral Clocks: Used in PCs and peripherals where stable clock signals are crucial for operation. 2. Embedded Systems: Ideal for microcontrollers and FPGA applications requiring precise clock signals. 3. Networking Equipment: Employed in routers and switches for timing and synchronization. 4. Consumer Electronics: Used in audio equipment, televisions, and other devices requiring accurate timing. 5. Industrial Control Systems: Provides clock signals for automation and control systems. Alternative Components 1. Texas Instruments CDCE62005: Another clock generator offering flexible frequency outputs and ease of use. 2. Silicon Labs Si5351: Highly integrated clock generator that generates multiple frequencies with precision. 3. IDT (Integrated Device Technology) 8T49N241: Combines lower power with flexible frequency options. 4. Microchip MCP2120: Offers clock generation with lower complexity and lower power consumption. Embedded Modules - Many development boards from various manufacturers may include clock generation capabilities, such as PSoC (Cypress), Arduino boards, and Raspberry Pi with specific add-ons. Related Q&A 1. Q: What is the maximum output frequency supported by the DS1087LU-13C? - A: The maximum output frequency is determined by the input reference frequency and the programmable settings used. Typically, it can produce frequencies in the MHz range. 2. Q: How is the DS1087LU-13C configured for different output frequencies? - A: The configuration is done via programming the chip using external connections or controlling through GPIO pins. Specific settings for dividers or multipliers will determine the output frequency. 3. Q: What are the key benefits of using the DS1087LU-13C in embedded systems? - A: Some key benefits include low power consumption, programmability for custom output frequencies, and synchronous operation to minimize signal jitter. 4. Q: Can the DS1087LU-13C replace a standard crystal oscillator? - A: Yes, in many applications, the DS1087 can replace a crystal oscillator with the advantage of providing multiple selectable frequencies from a single chip. 5. Q: Is thermal management a concern when using the DS1087LU-13C? - A: While the DS1087LU-13C operates at low power, sufficient thermal management may still be needed in tightly enclosed spaces to ensure reliability, especially if operating at higher frequencies or loads.