674R-01LF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Last Time Buy
Moisture Sensitivity Level (MSL):	--
Type:	Clock Divider
PLL:	No
Input:	Clock
Output:	Clock
Number of Circuits:	1
Ratio - Input:Output:	2:2
Differential - Input:Output:	No/No
Frequency - Max:	235MHz
Divider/Multiplier:	Yes/No
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	28-QSOP
Base Part Number:	ICS674-01

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674R-01LF Application Field and Working PrincipleThe 674R-01LF is a high performance clock generator, PLL, and frequency synthesizer from IDT. It is optimized for a range of Clock/Timing solutions, including synchronous Ethernet Switch/Router application, Industrial Wireless Hub/Router, Ethernet Switch/Router, consumer electronics such as set-top box, and more. The 674R-01LF is an ultra low jitter, high performance output device delivered in a small, easy to use package that requires minimal external components for implementation.The product is available in the industry-standard 8-pin SOIC package, allowing for simple implementation with limited board space requirements. Its features include a broad frequency synthesis range from 10 to 456 MHz, high speed programmable synthesis method, multiple programming interfaces, and plenty of power-saving features. The 674R-01LF can be used as a clock generator for systems such as 10/100/1000 Ethernet Switches, creating clock outputs for the data path. It can also be used as a PLL that can replace the need for multiple PLLs, thus reducing the design complexity.The 674R-01LF has a low jitter output of 0.3 psec RMS and an integrated VCO harmonics rejection filter to reduce RF interference. This allows for system clock accuracy and boasts excellent timing performance. The device is built on a robust and adaptive design architecture, providing strong performance stability over voltage, temperature and process variations.The 674R-01LF has a unique analog programmable synthesis method with a wide input frequency range, allowing it to synthetically generate several possible output clocks with a single device. This means that the 674R-01LF is ideal for applications where multiple clock speeds or frequencies are required in the same system or when using different frequencies in different parts of the system.The 674R-01LF also has several programmable features such as a selectable PLL bandwidth, lock time, and slew rate to support a variety of applications. There are multiple programming interfaces available, including a Low Voltage Serial Peripheral Interface (SPI) and a Multi I/O Port Interface (MIP). These convenient interfaces make it easy to control the device and access its features.The 674R-01LF can be used in a range of applications requiring multiple clock frequencies, increased frequency synthesis options, improved overall timing and jitter performance, low power consumption, and ease of use and flexibility. Its simple structure and built-in cost effective programming and control signals makes it the ideal choice for providing high performance clock and timing solutions.

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