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PCS1P2857A

Part Number	PCS1P2857A
Manufacturer	PulseCore Semiconductor
Description	Multi-Output Clock Generator
Published	Feb 17, 2011
Detailed Description	September 2006 rev 0.1 Multi-Output Clock Generator Features Product Description • Generates multiple clock outputs from...
Datasheet	PCS1P2857A PDF File

Overview

September 2006 rev 0.
1 Multi-Output Clock Generator Features Product Description • Generates multiple clock outputs from an inexpensive 27MHz crystal .
• Frequency outputs: PCS1P2857A • • • • • • • CLK1 : 27 MHz CLK2 : 24 MHz CLK3 : 14.
31818 MHz CLK4 : 14.
31818 MHz CLK1 : 27 MHz CLK2 : 24 MHz CLK3 : 28.
322 MHz PCS1P2857A/B The PCS1P2857A/B is a versatile multi output clock generator.
The PCS1P2857A/B uses the latest PLL technology.
The four Clock outputs are generated using an inexpensive 27MHz Crystal.
The accuracy of the 27MHz Input Clock should be within ±50ppm.
The outputs consist of 24 MHz, 14.
31818 MHz, and 28.
322 MHz clocks together with a 27 MHz reference clock.
The device operates from a Supply Voltage of 3.
3V±5%V.
The device is available in a 8 pin SOIC and 8 pin TSSOP JEDEC package.
• Frequency outputs: PCS1P2857B • Operates with a 3.
3V ± 5%V Supply Voltage • Available in 8 -pin SOIC and 8 -pin TSSOP.
Application PCS1P2854A/B is targeted for use in HDTV digital video.
Block Diagram VDD CLK2 XIN XOUT Crystal Oscillator PLL CLK3 CLK4 CLK1 www.
DataSheet4U.
com GND PulseCore Semiconductor Corporation 1715 S.
Bascom Ave Suite 200, Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018 www.
pulsecoresemi.
com Notice: The information in this document is subject to change without notice.
September 2006 rev 0.
1 Pin Deseription PCS1P2857A/B XIN 1 XOUT 2 8 CLK1 7 CLK2 XIN 1 XOUT 2 8 CLK1 7 CLK2 PCS1P2857A VDD 3 GND 4 6 PCS1P2857B CLK3 VDD 3 GND 4 6 5 CLK3 NC 5 CLK4 Pin Description Pin # 1 2 3 4 5 6 7 8 Pin Name XIN XOUT VDD GND CLK4 NC CLK3 CLK2 CLK1 Pin Type Input Output Power Power Output Output Output Pin Description Crystal connection or external reference frequency input.
It can be connected to a 27MHz Fundamental mode crystal Connection to crystal.
If using an external reference clock, this pin must be left unconnected.
Connect to +3.
3V.
Connect to ground.
14.
31818MHz Clock output (PCS1P2857A) No connection (PCS1P2857B) 14.
31818MHz ...

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