8N4SV75KC-0009CDI

Series:	FemtoClock® NG
Packaging:	Tray
Part Status:	Active
Type:	VCXO
Count:	--
Frequency:	148.5MHz
Voltage - Supply:	3.135 V ~ 3.465 V
Current - Supply:	140mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	6-CLCC
Supplier Device Package:	6-CLCC (7x5)
Mounting Type:	Surface Mount
Base Part Number:	IDT8N4SV75KC

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Programmable Timers and Oscillators

A programmable timer or oscillator, also known as 8N4SV75KC-0009CDI, is a device used to measure and track time by providing a precision time source or to generate a signal for use in timing applications. Inputs and outputs can be set to specific voltages depending on the application, and used to create a variety of waveforms, reset or enable circuits, or trigger sequencing operations. Programmable timers and oscillators can be used to interface with digital, analog, or microcontroller-based devices to control or monitor clocks, motors, and other mechanisms. They are essential components in high-speed networking and communications systems, providing precision timing across multiple nodes.

Application Fields

Programmable timers and oscillators are used in a variety of ways. Applications include:

• Timing circuits - used to control the rate of data and transmission rates in electronic systems, as well as to create waveforms such as square waves and pulses.
• Clock and oscillator circuits - used to control the operation of systems, such as CPU/motherboard synchronization and control, network synchronization, embedded control applications, and video synchronization.
• Reset and enable circuits - used to start and end operations within systems, reset operation faults, and enable sophisticated digital operations.
• Sequencing circuits - used to control the order in which operations take place, such as sequencing the firing of multiple motors, or sequencing of different commands within a single command set.
• Complex logic circuits - used to control multiple devices in unison by providing a set of specific logic signals.

Working Principle

At the heart of a programmable timer or oscillator are two main components: a programmable counter/timer device, and a voltage-controlled oscillator (VCO). The counter device works as a time-keeping unit, keeping track of time by counting the number of pulses from an internal clock. An external clock can also be used to clock the counter and measure time. The VCO generates an output signal based on an input voltage, which is used to regulate the frequency of the generated waveform. Using the timer/counter and VCO together, the programmable timer or oscillator can be programmed to generate and output a variety of waveforms. The frequencies of these waveforms can be adjusted by controlling the input voltage, allowing the device to be used in applications such as event and frequency measurements as well as data transmission rate control. Programmable timers and oscillators are used in many devices and applications that require precise timing, such as clocks, microcontrollers, and communications networks. They are powerful components in the field of electronic design, allowing engineers to create electronic systems with precise timing and control.

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