HMC987LP5E

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HMC987LP5E is a versatile clock buffer, driver, and translator family designed to achieve lowest-jitter and the widest variety of frequencies and output types available in an IC. It is designed to copy, divide, multiply, and synthesize new clock frequencies from one input reference clock by using a combination of PLLs and multiplexers. This makes the HMC987LP5E ideal for applications such as spacecraft, homeland security, and instrumentation.
The HMC987LP5E consists of a pair of tapped delay lines, multiple PLLs, a digital synthesizer, a multiplexer and an output buffer. The multiplexed input allows either the internal reference clock or an external reference to be used for clock manipulation. Additionally, the device can direct connect to the output of a PLL for generating divided versions of the reference frequency.
The HMC987LP5E is a highly integrated, easy-to-use solution that offers maximum flexibility and performance. It is designed to reduce overall system cost, size, and complexity. The HMC987LP5E also features 3.3V integrated voltage regulators, allowing direct drive of CMOS and LVDS outputs without the need for external supply passives, thereby reducing cost and board area.
The HMC987LP5E is an ideal choice for applications needing a low-jitter clock driver, clock translators, or frequency synthesizer. It is suitable for a wide range of applications from high-end systems such as military and satellite downlinks, to consumer electronics, to embedded systems in automotive or industrial designs. The HMC987LP5E operates from a single 3.3V supply and offers output frequencies over an operating temperature range of -55C to +125C.
The HMC987LP5E features a digitally-controlled loop circuit that automatically optimizes the device\'s jitter over temperature and supply conditions. This allows a stable output frequency with extremely low jitter operation, resulting in predictable communication performance and thus reducing system costs. Additionally, the HMC987LP5E supports multiple output types, including LVDS, CMOS, LVPECL, and SSTLII.
The HMC987LP5E also supports up to four output taps. These taps are designed to reduce output clock skew and provide flexibility to generate different potting profiles to match signal routing on the PCB. The HMC987LP5E is capable of efficiently translating a wide frequency range of input clocks from 50 kHz to 400 MHz.
HMC987LP5E is a versatile, robust and cost-effective high-performance clock buffer, driver, and translator that provides clock signal conditioning for multi-Gigabit data communications systems. It incorporates advanced features such as automatic jitter optimization, low-skew output taps, wide temperature range operation, and low-power operation for efficient system performance. The HMC987LP5E is well suited for a wide range of high-performance clock signal management applications.

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