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ICS308 - SERIAL PROGRAMMABLE QUAD PLL VERSACLOCK SYNTHESIZER

Datasheet Summary

Description

The ICS308 is a versatile serially programmable, quad PLL clock source.

The ICS308 can generate any frequency from 250 kHz to 200 MHz, and up to 6 different output frequencies simultaneously.

The outputs can be reprogrammed on the fly, and will lock to a new frequency in 10 ms or less.

Features

  • Packaged in 20-pin SSOP (QSOP).
  • Operating voltage of 3.3 V.
  • Highly accurate frequency generation.
  • M/N Multiplier PLL: M = 1..2048, N = 1..1024.
  • Serially programmable: user determines the output frequency via a 3-wire interface.
  • Eliminates need for custom quartz oscillators.
  • Input crystal frequency of 5 - 27 MHz.
  • Optional programmable on-chip crystal capacitors.
  • Output clock frequencies up to 200 MHz.
  • Refe.

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Datasheet Details

Part number ICS308
Manufacturer Integrated Circuit Systems
File Size 134.18 KB
Description SERIAL PROGRAMMABLE QUAD PLL VERSACLOCK SYNTHESIZER
Datasheet download datasheet ICS308 Datasheet
Additional preview pages of the ICS308 datasheet.

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Full PDF Text Transcription

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ICS308 SERIAL PROGRAMMABLE QUAD PLL VERSACLOCK SYNTHESIZER Description The ICS308 is a versatile serially programmable, quad PLL clock source. The ICS308 can generate any frequency from 250 kHz to 200 MHz, and up to 6 different output frequencies simultaneously. The outputs can be reprogrammed on the fly, and will lock to a new frequency in 10 ms or less. Smooth transitions (in which the clock duty cycle remains roughly 50%) are guaranteed if the output divider is not changed. The device includes a PDTS pin which tri-states the output clocks and powers down the entire chip. The ICS308 default for non-programmed start-up are buffered reference clock outputs on all clock output pins. Features • Packaged in 20-pin SSOP (QSOP) • Operating voltage of 3.
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