8N4SV75EC-0161CDI8

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Programmable Timers and Oscillators

Clock/Timing devices are essential components in many electronic designs. In order to provide accurate timing and oscillation based on user-defined parameters, manufacturers have created programmable timers and oscillators with the8N4SV75EC-0161CDI8 being one of the notable examples. This clock chip is used in a variety of logic and memory applications, and in this article we\'ll take a closer look at the chip\'s field of application and working principle.

Application Field

The 8N4SV75EC-0161CDI8 is a highly precise TTL-level crystal oscillator designed for clock and timing applications. This device is well-suited for use in low-power devices such as counters, multiplexers, and other logic applications. Additionally, the chip is suitable for use in digital memory systems and can be used to drive memory chip arrays.

The 8N4SV75EC-0161CDI8 is also suitable for use in applications that require precise timing and low power (less than 10 mW). The chip can be used in a variety of application areas such as PDAs, industrial controls, test and measurement equipment, computers, telecommunications systems, and more.

The 8N4SV75EC-0161CDI8 is also suitable for use in mission-critical systems where precise timing is of the utmost importance. This device is also well-suited for use in high-speed systems, such as those found in our modern mobile and computing gadgets.

Working Principle

The 8N4SV75EC-0161CDI8 crystal oscillator device is designed to produce a frequency signal derived from a crystal, without the need for abnormal conditioning or temperature compensation. This IC utilizes a Linear Phase Lock Loop (nPLL) circuit, which is constructed with two interlocking coils, a transistor and a current-amplifier stage.

The two coils of the PLL are connected together in the following way: one of the coils is connected to the crystal, the other is connected to a blank resistive network. When a voltage input is applied to one of these coils, the current that passes through it induces a current in the other coil. This current then passes through the blank resistive network, and as a result, a frequency-based output is produced.

The 8N4SV75EC-0161CDI8 also features adjustable frequency trimming, which can be used to select an output frequency that is close to the desired frequency. The trimming is done using an external resistor and capacitor connected to the IC\'s trimming FT pins. The final frequency of the output is then compared with the desired frequency, and if needed, the external resistor can be adjusted to match the frequency.

The 8N4SV75EC-0161CDI8 also has two dedicated command outputs (COM1 & COM2) which can be used to ensure that the output frequency is 100% accurate. The COM1 output is used to adjust the current passing through the external resistive network and the COM2 output is used to adjust the current passing through the crystal. By adjusting the current passing through the two components, the output frequency can be finely tuned to match the desired frequency.

Conclusion

The 8N4SV75EC-0161CDI8 is a highly precise TTL-level crystal oscillator designed for clock and timing applications. This chip can be used in many different applications, especially those which require precise timing and low power consumption. The 8N4SV75EC-0161CDI8 uses a Linear Phase Lock Loop circuit to produce a frequency-based output, and the output frequency can be finely tuned using the chip\'s adjustable frequency trimming and dedicated command outputs.

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