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ASM3P2508SP - Clock Synthesizer and Frequency Generator

General Description

The ASM3P2508SP is a versatile Dual PLL based Clock Synthesizer and Frequency Generator optimised and designed specifically for three clock frequencies.

Key Features

  • Dual PLL based Architecture Operates with a 3.3V ±0.3V supply. Generates an EMI optimized Spread Spectrum PCI Clock output Generates a high accuracy non Spread T1 clock of ±25ppm accuracy. Generates a non spread system reference clock Low power CMOS design. Input frequency: 25 MHz. Outputs: Sys_ REF_CLK: 20 MHz T1 Clock: 25 MHz (±25 ppm) PCI_CLK: 33.33MHz Spread Spectrum.
  • Frequency deviation: -0.5% (Typ). Available in 8L SOIC Package. The ASM3.

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Datasheet Details

Part number ASM3P2508SP
Manufacturer Alliance Semiconductor Corporation
File Size 337.44 KB
Description Clock Synthesizer and Frequency Generator
Datasheet download datasheet ASM3P2508SP Datasheet

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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February 2005 www.DataSheet4U.com rev 0.4 ASM3P2508SP Clock Synthesizer and Frequency Generator with Peak EMI reduction Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Dual PLL based Architecture Operates with a 3.3V ±0.3V supply. Generates an EMI optimized Spread Spectrum PCI Clock output Generates a high accuracy non Spread T1 clock of ±25ppm accuracy. Generates a non spread system reference clock Low power CMOS design. Input frequency: 25 MHz. Outputs: Sys_ REF_CLK: 20 MHz T1 Clock: 25 MHz (±25 ppm) PCI_CLK: 33.33MHz Spread Spectrum ƒ Frequency deviation: -0.5% (Typ). Available in 8L SOIC Package. The ASM3P2508SP uses the most efficient and optimized modulation profile approved by the FCC.