8N4SV76AC-0034CDI8

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Clock/timing devices are devices that are used to generate synchronous timing signals synchronized to an external clock. This can be used in everything from specialized applications, such as signal generation in communications systems and frequency synthesizers, to more general applications, such as controlling the time duration of a process. This article aims to discuss the application field and working principle of 8N4SV76AC-0034CDI8, one of the most popular clock/timing devices used in a variety of different scenarios.

The 8N4SV76AC-0034CDI8 is a coutesy of rondlock series Application-Specific Programmable Timer/Oscillator (ASPTMO). It consumes very less power and operates from a supply voltage of 2.0V to 5.5V. It has got a wide range of internal programmable frequencies from 4kHz to 80MHz. This device is designed mainly for low power, high precision, and low jitter clock/timing demand applications, including those with DSPs, microcontrollers and ASICs. This device is particularly suitable for applications such as A/D and D/A converters, communication systems, on-board memories, programmable software-defined radios, clock signal processors, digital signal generators, frequency synthesizers and digital communication networks. It also offers total signal synchronization and fast time-to-reprogram time.

The 8N4SV76AC-0034CDI8 works on 8-pin SOIC, 8-pin VFQFPN, 10-pin MSOP and 10-pin MLF packaging. It operates over the commercial temperature range 0°C to +70°C and features a diagnostic output, active low reset and open drain outputs for external pull up resistors. The device is digitally controlled and has a 6-bit serial data input for programming the frequency and a 3-bit latch for chip enable. An additional 8-bit port provides a means for setting up other parameters such as symmetry, duty cycle and reset. The device also has programmable pull downs available, allowing for the output to achieve up to 40% duty cycle, without a need for external pull-up resistors.

The 8N4SV76AC-0034CDI8 has got a built-in RC oscillator and crystal oscillator to provide the required clock signal. It also has an integrated phase-locked loop (PLL) as well as digital frequency synthesis. The PLL allows the user to lock onto and precisely generate a given frequency, making the device ideal for applications with tight specifications. The digital frequency synthesis features a wide frequency range, adjustable accuracy and smooth control. All of the control signals, crystal oscillators and resistors on the device are available separately, which makes it easier to design a custom application circuit.

Other features of the 8N4SV76AC-0034CDI8 include a wide power supply voltage range of 2.0V to 5.5V, adjustable cycle-by-cycle accuracy and active low reset feature, as well as programmable pulldowns to achieve up to 40% duty cycle. It also offers complete cycle synchronization and fast time-to-reprogram time for precise control and accuracy. The device is also approved as an industrial component with a Class V rating, making it ideal for various applications.

In conclusion, the 8N4SV76AC-0034CDI8 Application-Specific Programmable Timer/Oscillator is a versatile, low power and high precision clock/timing device. It offers multiple features designed to offer high accuracy control, total signal synchronization, cycle-by-cycle accuracy, adjustable duty cycle and active low reset. Its wide operating range, built-in oscillator and digital frequency synthesis make it ideal for applications requiring low jitter, high precision and low power such as DSPs, microcontrollers, ASICs and frequency synthesizers.

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