SL28647CLC

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The SL28647CLC is a quartz crystal controller, a clock and timing application specific integrated circuit (ASIC) designed for drive-wave railway application systems and electronic clocks. It is a product of Sanken Elec Corp. of Japan.

The SL28647CLC was specially designed for use in railway applications such as drive-wave systems, power control systems and timekeeping systems. It is also useful for other general timing related systems, such as in automatic ticket vending machines and process control systems. The IC is housed in a 28-pin DIP package.

Working Principle:

The SL28647CLC is a quartz crystal oscillator controller ASIC. It consists of several components that form an oscillator circuit using a quartz crystal and a capacitive element. This oscillator is used as a reference clock source, and the frequency of the reference clock is accurately maintained by the quartz crystal. The calibration and control of the oscillator is done digitally, thus allowing very precise adjustment of the reference clock frequency. The SL28647CLC also includes a viewfinder system which is used to read and record the transition of the clock input waveform. This allows the IC to precisely detect the transition of any clock waveform and use it to control the operation of other related devices.

Application Fields:

The SL28647CLC was designed for use in railway applications, including drive-wave systems, power control systems, timekeeping systems, and other process control systems. However, its versatility makes it suitable for other applications as well. For example, it can be used for microwave communications and alarm systems for low-power equipment. Furthermore, its ability to adjust the reference clock frequency make it an ideal choice for automatic ticket vending machines.

In addition to railway systems, the SL28647CLC can be used in audio and broadcasting systems, building security systems, industrial automation, automotive electronics, and robot control applications. Due to its ability to detect the transitions of clock input waveforms and use it to control other related devices, it is ideal for use in precision timing systems, such as timing-accurate video equipment.

Conclusion:

The SL28647CLC is a quartz crystal controller and clock-timing specific ASIC that was designed for use in railway applications. Its versatile design and ability to adjust the reference clock frequency make it useful for other applications as well, including microwave communications, security systems, industrial automation, and robotics. It is an ideal choice for precision timing systems, such as broadcastings, process control systems, and timing-accurate video equipment.

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