CDCM1804RTHT Integrated Circuits (ICs)

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The CDCM1804RTHT is part of TI’s Clock/Timing family of products. It is a high-performance, easy-to-use clock buffer/driver that offers excellent signal integrity and wide frequency range. The device is designed to provide a low cost solution for clock tree networks.

The CDCM1804RTHT is ideal for applications where timing accuracy and signal integrity is essential. It features a voltage-controlled delay line (VCDL) output stage which provides extremely low skew between the outputs. The output stage can be programmed to provide a wide range of output frequencies and delay time for each output. This enables the CDCM1804RTHT to be used in a variety of applications, such as timing networks, ASICs, FPGAs, and other systems requiring high-speed, low-skew clock distribution.

The CDCM1804RTHT is designed using a standard CMOS process. The device features an input clock rate of up to 1 GHz and is capable of handling up to 32 clock inputs. The device is capable of buffering and frequency dividing these inputs to provide a wide range of outputs. Each output of the device contains an individual delay line which can be programmed by the user. The delay line can be programmed to provide an adjustable pulse width and/or frequency for each of the outputs.

The CDCM1804RTHT includes on-chip termination resistors and Latency-Locked Oscillator (LLO) circuitry for one-time setup and programmability. The LLO circuitry allows for the input clock frequency to be calibrated for best setup. The device also offers adjustable slew and rise/fall times on each output as well as programmable output polarity. The CDCM1804RTHT also features optional integrated ESD protection for all of its inputs and outputs.

In terms of applications, the CDCM1804RTHT can be used to design many complex clock tree networks. These include high-speed ASICs, FPGAs, DDR memory, and other systems that require low-skew clock distribution. The device can also be used to perform frequency synthesis and clock multiplication as well as frequency timing and jitter filtering. It is also ideal for applications that require high precision clock synchronization.

In terms of its working principle, the CDCM1804RTHT combines the input clock signals, buffers them, and then passes them through the delay lines. The outputs from the delay lines are buffered, amplified, and then combined to form the output clocks. The output clocks are then further processed by the LLO circuitry for one-time setup and programmability. This approach offers much higher precision and accuracy than traditional clock distribution networks.

The CDCM1804RTHT offers excellent performance, flexibility, and reliability. It is a cost-effective, high-performance solution for a wide variety of clock tree networks. The device’s wide range of features and easy-to-use interface ensure that it can meet the needs of any clock tree network design.

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