9FG1200DF-1LFT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
PLL:	Yes
Main Purpose:	FBD, PCI Express (PCIe)
Input:	HCSL
Output:	HCSL
Number of Circuits:	1
Ratio - Input:Output:	1:12
Differential - Input:Output:	Yes/Yes
Frequency - Max:	400MHz
Voltage - Supply:	3.135 V ~ 3.465 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	56-BSSOP (0.295", 7.50mm Width)
Supplier Device Package:	56-SSOP
Base Part Number:	ICS9FG1200-1

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Introduction to 9FG1200DF-1LFT

The 9FG1200DF-1LFT is a precision, laser-trimmed semiconductor device with enhanced stability and reliability over conventional integrated circuits (IC’s). This device is a clock/timing device specifically designed for time-sensitive applications in the digital signal processing (DSP) market. It is a monolithic dual-phase locked loop (DPLL) designed to accurately generate, store and transmit synchronized clocking signals across multiple digital circuitry.

Uses of 9FG1200DF-1LFT

The 9FG1200DF-1LFT is well-suited for applications such as telecommunication systems, telecommunications signal processing and high-end embedded systems. It is used in systems requiring clean and stable clock signal sources in both the steady state and transients. In addition, it can also be used in power regulation systems.It can be used to phrase-lock multiple system elements such as data switches, clock drivers, clock buffers, and memory controllers. This clock/timing device replaces the traditional components such as crystal-based oscillators and phase locked loops (PLLs). This allows for more accurate synchronizing of clock signals by providing stable trigger signals to control the signals\' timing.

Features of 9FG1200DF-1LFT

The 9FG1200DF-1LFT features a built-in analog-to-digital (ADC) converter. This converter enables the device to accurately measure the timing accuracy of oscillators and provide synchronization for triggering signals. It has a wide range of frequency ranges, from 10 kHz to 125 MHz, making it suitable for a variety of applications. This device also supports multiple front and backpanel functions, including manual and automatic input frequency selection, adjustable output frequency, multi-phase locking, and peripheral input and output synchronization. In addition, it has an integrated FIFO interface that can be used for delay compensation and multiple-level synchronization.

Pinout and Block Diagram of 9FG1200DF-1LFT

The 9FG1200DF-1LFT logic block diagram is shown in Figure 1. This diagram shows the device\'s many functional blocks and how they interact with one another. The primary functional blocks include the Input Interface, PLL, Output Interface, and Fault Detection, Power Management, and Reset logic sections. The device\'s main connector is composed of 54 pins. The 54 pinout is divided into three main sections, shown in Figure 2. These sections are the Input Interface section, Output Interface section, and Interrupt (INT) section. The part also provides an auxiliary output that can be used for additional pinouts.

Working Principle of 9FG1200DF-1LFT

The 9FG1200DF-1LFT operates on the principle of precision timing. It uses a Dual Phase Locked Loop (DPLL) core, which works by using two PLL circuits to synchronize two known inputs. This is done by generating a feedback clock to the input of the second PLL circuit. The result is a synchronized output whose timing accuracy is based on the accuracy of the sampling clock.The device requires three inputs: a reference clock, an isolated clock, and an optional adjustment clock. The reference clock is used as the clock source for the DPLL core and is usually provided by an external crystal or oscillator. The isolated clock is used as the synchronization signal from the output circuit and is usually supplied from an external system or component. The adjustment clock is used to adjust the output timing accuracy and is usually supplied from an external reference.The output of the device consists of eight synchronized clocks, which are generated by dividing the reference clock by an adjustable parameter, which can typically range from 1-1000. These clocks are then transmitted through the output interface, which can include those taken from the Interrupt (INT) pins.

Conclusion

The 9FG1200DF-1LFT is a clock/timing device specifically designed for time-sensitive applications in the digital signal processing (DSP) market. This device is a monolithic dual-phase locked loop (DPLL) device that provides precision timing and synchronization of digital signals. It has a wide range of frequency ranges, from 10 kHz to 125 MHz, and features built-in ADC converter, manual and automatic input frequency selection, adjustable output frequency, multi-phase locking, and peripheral input and output synchronization functions. This clock/timing device is used in systems requiring clean and stable clock signals for both steady state and transients and can replace traditional components such as crystal-based oscillators and phase locked loops (PLLs).  In addition, it is well-suited for applications such as telecommunication systems, telecommunications signal processing, and embedded systems.

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