PS7M809LTEX

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The PS7M809LTEX is a programmable clock buffer integrated circuit (IC) designed by NXP Semiconductors, formerly Philips Semiconductors. The PS7M809LTEX is designed to divide and buffer clock signals, maintaining low-skew and secure destination accuracy from one clock source to multiple destination loads. It is suitable for applications in digital systems and radios where jitter, clock accuracy, and secure clock distribution are important.

Application Field

The PS7M809LTEX is a versatile clock buffer IC that can be used for many different applications, ranging from digital system clocking and timing to radio communication. It is designed to maintain a secure source-to-destination accuracy with low skew. This makes it suitable for any application that requires secure data transfer and accurate timing. Additionally, its programmable features make it an effective clocking solution for scenarios where a low jitter and low propagation delay between the clock source and the destination is a must.

For radio communication, the PS7M809LTEX is suited for applications such as antenna and base station synchronization, cellular communication, multiple data radio signals, and wireless networks. Its secure clock distribution helps mitigate synchronization errors and its low-skew helps maintain a secure transmission.

Working Principle

The PS7M809LTEX is designed to divide, buffer, and distribute clock signals in a secure, low-skew manner. Its clock buffer arrangement is composed of two input terminals (SIF, SYNC) and up to four outputs (O1, O2, O3, O4). Additionally, it has two separate programmable buffer chains (SIFCh, SYNCCh) for each of the input terminals.

The SIFCh and SYNCCh both allow the user to individually program the output logic swing, slew rate, and supply voltage of the desired output signals. These features help reduce clock jitter and secure clock accuracy while also allowing users to configure the output logic levels to match the logic levels of their destination loads.

Furthermore, the PS7M809LTEX has adjustable output clock yields. This feature allows users to tweak the initial and final output yields of the clock signals. The clock buffer also features adjustable output offset voltage and supply voltage platforming, enabling the user to customize the degree of voltage offset between outputs.

In addition to the programmable features, the PS7M809LTEX also has built-in voltage clamping and protection circuitry. This helps protect the programmable circuit from hazardous and noisy power supply conditions, as well as high-noise interference.

Conclusion

The PS7M809LTEX is a versatile, programmable clock buffer IC designed to divide and securely buffer clock signals, providing precise timing accuracy and reducing jitter. It is designed to maintain a secure source-to-destination accuracy with low skew, making it suitable for any application that requires precise clock distribution. It can be used for many different applications, ranging from digital system clocking and timing to radio communication, and its programmable features enable it to provide an effective clocking solution for scenarios where a low jitter and low propagation delay between the clock source and the destination are required. Additionally, the PS7M809LTEX also features adjustable output yields, adjustable output offset voltage, and built-in voltage protection circuitry to protect against hazardous and noisy power supply conditions, making it an excellent choice for clock and timing applications.

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