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ICS9248-192 - Frequency Timing Generator

General Description

Pin number 1 2 3 Pin name GNDREF X1 X2 4 PD# 12, 11, 10, 7, 6, 5 8 9 15 13 14 16 17 18 PCICLK (5:0) GNDPCI VDDPCI Sel48_24# 24_48MHz SDATA SCLK CPU3.3-2.5# 48MHz GND48 VDD48 19 SEL 66/60# 20 VDD_Core 21 GND_Core 22 PCI_Stop# 23 CPUCLK0 24 GNDLCPU 25 VDDLCPU 26 CPU_STOP# 27 R

Key Features

  • 1CPU(2.5V or 3.3V selectable) up to 66.6MHz & overclocking of 66MHz.
  • 6 PCI (3.3V) @ 33.3MHz (all are free running selectable).
  • 1 REF (3.3V) at 14.318MHz.
  • 1 48MHz (3.3V).
  • 1 24_48MHz selectable output. Features:.
  • Supports Spread Spectrum modulation for CPU and PCI clocks, default -0.4 downspread.
  • Efficient Power management scheme through stop clocks and power down modes.
  • Uses external 14.318MHz crystal, no external loa.

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Datasheet Details

Part number ICS9248-192
Manufacturer Renesas
File Size 352.11 KB
Description Frequency Timing Generator
Datasheet download datasheet ICS9248-192 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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ICS9248-192 Frequency Timing Generator for Transmeta Systems Recommended Application: Transmeta Output Features: • 1CPU(2.5V or 3.3V selectable) up to 66.6MHz & overclocking of 66MHz. • 6 PCI (3.3V) @ 33.3MHz (all are free running selectable). • 1 REF (3.3V) at 14.318MHz. • 1 48MHz (3.3V). • 1 24_48MHz selectable output. Features: • Supports Spread Spectrum modulation for CPU and PCI clocks, default -0.4 downspread. • Efficient Power management scheme through stop clocks and power down modes. • Uses external 14.318MHz crystal, no external load cap required for CL=18pF crystal. • 28-pin TSSOP package, 4.40mm (173mil).