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SC670 - I2C Clock Generator

General Description

Xin, Xout - These pins form an on-chip reference oscillator when connected to terminals of an external parallel resonant crystal (nominally 14.318 MHz).

Xin may also serve as input for an externally generated reference signal.

SEL - Standard frequency select input.

Key Features

  • SEL.

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Datasheet Details

Part number SC670
Manufacturer International Microcircuits
File Size 129.65 KB
Description I2C Clock Generator
Datasheet download datasheet SC670 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com SC670 I2C Clock Generator for Pentium Notebook Designs. Approved Product PRODUCT FEATURES SEL FREQUENCY TABLE CPU 60.0 66.6 PCI 30.0 33.3 0 1 • • • • • • • • • • • • • • Supports Pentium & Pro CPUs. 4 CPU clocks up to 8 loads. Up to 8 SDRAM clocks for 2 DIMs. Supports Power Savings Frequencies. 7 PCI synchronous clocks. Optional common or mixed supply mode: (Vdd = Vddq3 = Vddq2 = 3.3V) or (Vdd = Vddq3 = 3.3V, Vddq2 = 2.5V) < 250ps skew CPU and SDRAM clocks. < 250ps skew among PCI clocks. I2C 2-Wire serial interface Programmable registers featuring: - enable/disable each output pin - mode as tri-state, test, or normal - 24/48 MHz selections 1 IOAPIC clock for multiprocessor support.