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ASM3P2856AG-16-TT Datasheet(PDF) 1 Page - PulseCore Semiconductor |
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ASM3P2856AG-16-TT Datasheet(HTML) 1 Page - PulseCore Semiconductor |
1 / 8 page ASM3P2856A November 2006 ASM3P2856B rev0.1 Notice: The information in this document is subject to change without notice. PulseCore Semiconductor Corporation 1715 S. Bascom Ave Suite 200 Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018 www.pulsecoresemi.com Custom Clock generator for LCD Projector Features • Custom Clock Generator for LCD Projector • Generates EMI optimized clock signals for LCD Projector system • Uses an inexpensive 14.7456 MHz crystal for generating the required Outputs • Frequency outputs: • CLK1 : 27.002MHz (± 20 ppm) • CLK2 : 14.7456MHz (Zero ppm) • CLK3 : 65MHz (± 15 ppm) • CLK4,CLK5 : 65MHz (±15 ppm) Spread Spectrum Clock • ASM3P2856A: +/- 1% centre spread ASM3P2856B: selectable +/-1.0% & +/-1.5% Centre Spread option • Supply voltage range 3.3V ± 0.3V. • Available in 16 Pin TSSOP • Available in Commercial Temperature range Product Description ASM3P2856A/B generate the required four custom clock frequencies for the LCD Projector. An inexpensive 14.7456MHz crystal is used to generate a 14.7456MHz used by the microcomputer, a 27MHz used by Video, a non-spread 65MHz, and a centre spread 65MHz clock used by the LCD projector system. The spread spectrum clock has +/- 0.5% or +/- 1% spread options. The spread spectrum clock of ASM3P2856A/B reduces electromagnetic interference (EMI) at the clock source. This allows significant system cost savings by reducing the number of circuit board layers and shielding that are required to pass EMI regulations. Applications ASM3P2856A/B is targeted for use in LCD Projectors. Block Diagram GND VDD CLK4 Crystal Oscillator XIN XOUT CLK1 PLL CLK2 CLK3 CLK5 SSON SS% |
Similar Part No. - ASM3P2856AG-16-TT |
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Similar Description - ASM3P2856AG-16-TT |
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