ICS7152MI-11

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Spread Spectrum Clock Generator
PLL:	Yes
Input:	Clock
Output:	CMOS
Number of Circuits:	1
Ratio - Input:Output:	1:1
Differential - Input:Output:	No/No
Frequency - Max:	67MHz
Divider/Multiplier:	No/Yes
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ICS7152-11

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The ICS7152MI-11 is a versatile integrated circuit manufactured by Integrated Circuit Systems that is designed to be used as a clock generator, phase-locked loop (PLL), or frequency synthesizer. It is intended to be used in Clock/Timing applications, where precise timing and frequency control is crucial. This article will discuss the application fields and working principles of this device.Clock/Timing applicationsICS7152MI-11 is used in a wide variety of Clock/Timing applications that necessitate tight synchronization and precise frequency control. Some common applications include networking, communications, test and measurement, automotive, aerospace, industrial automation, DDR memory systems, and more.The ICS7152MI-11 is particularly well suited for applications that require high frequency generation, low noise, low jitter, and low power. It has a frequency range from .1 to 5.25 GHz, depending on the input frequency, and offers up to 11 output frequencies, ranging from .1 to 5.25GHz. It is capable of producing consistent and accurate output frequencies for a broad range of application environments.Applications such as networking, communications, and automotive use the ICS7152MI-11 to synchronize data transmission, enable packet scheduling, and perform time division multiplexing (TDM) operations. This device can also be used in test and measurement applications to facilitate precise timing, frequency, and voltage measurements. Its robust design and performance makes it an excellent choice for other industrial applications such as aerospace, where precise and reliable timing is required.The ICS7152MI-11 is also used in DDR memory systems to control data transfers between memory chips. By controlling the timing and frequency of data transfers, the device ensures that memory chips are always kept in synchronization.Working PrincipleThe ICS7152MI-11 utilizes a 16-bit integer-N technology to generate a high accuracy frequency synthesis. This device features both a programmable divider and a wideband fractional-N divider, which can be operated in either frequency synthesis or phase-locked loop mode.In frequency synthesis mode, the ICS7152MI-11 will take an input reference frequency, typically 100MHz, and divide it down to the desired output frequency. The device can generate up to 11 output frequencies ranging from .1 to 5.25GHz. The output frequency is determined by the 16-bit integer-N programming, which is stored in an internal non-volatile memory.In phase-locked loop mode, the ICS7152MI-11 acts as a PLL. It locks onto an input reference frequency, typically from 10-500MHz, and generates a more accurate and stable output frequency by using the wideband fractional-N divider. The output frequency is adjustable from 1Hz to 5.25GHz, within a range of +-1 Hz.The ICS7152MI-11 also features a digital loop filter and an on-chip VCO that allows for dynamic tuning, ensuring that the device can quickly and accurately lock onto a reference frequency. The device also has an integrated control logic to control the loop filter and other internal control logic.ConclusionThe ICS7152MI-11 is a versatile integrated circuit designed to be used as a clock generator, PLL, or frequency synthesizer. It is highly accurate and suitable for a wide range of Clock/Timing applications that require precise synchronization and frequency control. This device uses a 16-bit integer-N technology to generate a high accuracy frequency synthesis, and its wideband fractional-N divider allows for operation in both frequency synthesis and phase-locked loop mode. The ICS7152MI-11 also features an integrated digital loop filter and an on-chip VCO, which allow for dynamic tuning, ensuring that the device can quickly and accurately lock onto a reference frequency.

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