SN65EL11DGKR

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The SN65EL11DGKR integrated circuit is a buffer, driver and translator for clock signals. Used for multiple system clock output, it supports a low voltage differential signal interface, making it suitable for use in advanced systems such as single board computers and embedded controllers.

The SN65EL11DGKR is a single-chip device that includes a differential bus line receiver, a frequency-locked loop, storage and multiple, low voltage differential signal-driven output buffers. It has five fully-programmable, low-skew outputs and built-in synchronizing circuitry.

Applications
The SN65EL11DGKR is suitable for use in multiple system clock output applications such as embedded controllers, single board computers and embedded networks that require both synchronization and isolation without the need for a large number of discrete clock generators. It can also be used in advanced memory bus systems and clock distribution systems, as well as high-speed interface solutions and clock output solutions.

Design features
The SN65EL11DGKR features four pins on the input side: one differential input pin and three pins that provide skip delay and synchronize data. The input signal is designed to be a LVDS (low voltage differential signal) compatible signal or a single-ended signal. The device allows the user to set up a differential signal frequency range and run multiple I/O Buffers at that frequency range.

The SN65EL11DGKR also allows the frequency range to be changed on-the-fly. Since it supports the LVDS interface, it can be used in systems with different power requirements, such as embedded controllers with limited power consumption. Furthermore, it is capable of providing an adjustable output signal frequency range, allowing it to be used in various applications that require different frequency clock outputs.

Working Principle
The SN65EL11DGKR receives and amplifies an input signal coming from the external sources. The differential input signal is then sent to the FLL (Frequency Locked Loop) which compares the frequency of the input signal to the output signal range set by the user. When the two frequencies match, a signal from the FLL is sent to the output driver(s) and the output signal is generated.

The SN65EL11DGKR then amplifies the output signal to the desired level and sends it to the designated output drivers which are connected to the output pins. The output driver(s) will generate the required output signal to the external component. The output signal may be either a single-ended or differential signal.

Conclusion
The SN65EL11DGKR is an ideal solution for multiple system clock output requirements. It is a single-chip device that includes a differential bus line receiver, a frequency-locked loop, storage, and multiple low voltage differential signal-driven output buffers. Its adjustable frequency range and LVDS compatibility make it ideal for embedded controllers, single board computers and other advanced systems that require both synchronization and isolation.

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