(China (Mainland))
Product Summary
The ICS8442AYLF is a general purpose, dual output Crystal-to-Differential LVDS High Frequency Synthesizer and a member of the HiPerClockS family of High Performance Clock Solutions from ICS. The ICS8442AYLF has a selectable TEST_CLK or crystal input. The TEST_CLK input accepts LVCMOS or LVTTL input levels and translates them to LVDS levels. The VCO operates at a frequency range of 250MHz to 700MHz. The VCO frequency is programmed in steps equal to the value of the input reference or crystal frequency. The VCO and output frequency can be programmed using the serial or parallel interface to the configuration logic. The low phase noise characteristic of the ICS8442AYLF makes it an ideal clock source for Gigabit Ethernet and Sonet applications.
Parametrics
ICS8442AYLF absolute maximum ratings: (1)Supply Voltage, VDD: 4.6V; (2)Inputs, VI: -0.5V to VDD + 0.5V; (3)Outputs, IO Continuous Current: 10mA; (4)Surge Current: 15mA; (5)Package Thermal Impedance, θJA: 47.9℃/W (0 lfpm); (6)Storage Temperature, TSTG: -65℃ to 150℃.
Features
ICS8442AYLF features: (1)Dual differential LVDS outputs; (2)Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK; (3)Output frequency range: 31.25MHz to 700MHz; (4)Crystal input frequency range: 10MHz to 25MHz; (5)VCO range: 250MHz to 700MHz; (6)Parallel or serial interface for programming counter and output dividers; (7)RMS period jitter: 2.7ps (typical); (8)Cycle-to-cycle jitter: 18ps (typical); (9)3.3V supply voltage; (10)0℃ to 85℃ ambient operating temperature; (11)"Lead-Free" package available.
Diagrams
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 ICS8442AYLF |
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IC SYNTHESIZER DUAL LVDS 32-LQFP |
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ICS8442AYLFT |
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IC SYNTHESIZE DUAL 700MHZ 32LQFP |
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