MPC9817EN

Ratio - Input:Output:	1:8
Base Part Number:	MPC9817
Supplier Device Package:	20-QSOP
Package / Case:	20-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	3.135 V ~ 3.465 V
Frequency - Max:	66MHz
Differential - Input:Output:	No/No
Series:	--
Number of Circuits:	1
Output:	LVCMOS
Input:	Crystal
Main Purpose:	CPU, PowerQUICC, Telecom
PLL:	Yes
Part Status:	Obsolete
Packaging:	Tube

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MPC9817EN Application Field and Working Principle

Clock/Timing - Application SpecificThe MPC9817EN is an integrated timing solution designed to provide PC applications with precision timing, low-skew clock management, and improved power efficiency. This flexible chip integrates several timing functions, including synchronizing, assertion, and deassertion timing, as well as delay updating, into a single device. This design decreases the complexity of timing circuits and improves the overall performance of the system.The MPC9817EN is also designed to provide PC applications with a versatile solution for managing high frequency clocks with extreme accuracy. It offers precision timing, reliable clock transitions, and exceptional power efficiency. Additionally, the chip features an advanced programmable pre-emphasis mechanism that can adjust the rise and fall times of the output clock signals.The MPC9817EN features a full-range of frequency multiplication ratios and fractional frequency synthesis capabilities. In addition, the chip supports several I/O formats and is designed to fit into PC applications with a range of board densities.At the heart of the MPC9817EN is a fully integrated high speed digital logic block. This block manages the timing functions of the chip and implements the four basic timing operations: synchronizing, assertion, deassertion, and delay updating. The components of this block include a programmable delay buffer, an edge detector, a latch, and a programmable logic array.The programmable delay buffer is used to adjust the chip\'s synchronization and deassertion timing. It also allows the chip to recognize and interpret which I/O format is being used. The edge detector is responsible for detecting any edges or edges transitions of the output clock signals and the latch is used to store and process the signals. The programmable logic array provides the flexibility to program the chip for different applications.The MPC9817EN is designed to address PC applications with varying needs. It offers a complete range of frequency multiplication ratios, a programmable pre-emphasis control, and adjustable timing cycles. It also offers reliable output clock timing with low-skew, and improved power efficiency.The MPC9817EN is a versatile chip that is suitable for various PC application needs, including synchronous determination, frequency synchronization and synchronization management, cost reduction constraints, and increased performance. As such, it is an invaluable addition to any system design.

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