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| May 2008 rev 0.2 Multi-Output Clock Generator Features * Generates multiple clock outputs from an inexpensive 27MHz crystal . * Multiple Clock outputs: * * * * * * 27MHz Reference clock 27MHz Reference clock 10MHz 24MHz 28.322MHz 24.576MHz PCS1P2858A Product Description The PCS1P2858A is a versatile multi output clock generator. The PCS1P2858A uses the latest PLL technology. The six Clock outputs are generated using an inexpensive 27MHz Crystal. The accuracy of the 27MHz Input Clock should be within 50ppm. The outputs consist of 24.576MHz, 24 MHz, 10MHz, and 28.322 MHz clocks together with two 27 MHz reference clock. The OE tri-states all the clocks when disabled. The device operates from a Supply JEDEC package. Voltage of 3.3V5%V. The device is available in a 16-pin TSSOP * Supply Voltage:3.3V 5%V * 16 pin TSSOP Package * Commercial Temperature range * Low-power CMOS process. Application PCS1P2858A is targeted for use in HDTV digital video Block Diagram VDD OE VDDFOUT 27MHz 10MHz XIN/CLKIN Crystal Oscillator 24MHz PLL 28.322MHz XOUT 24.576MHz 27MHz GND GNDFOUT 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. May 2008 rev 0.2 Pin Configuration PCS1P2858A XIN/CLKIN XOUT VDD VDDFOUT GNDFOUT GND 27MHz 27MHz 1 2 3 4 5 6 7 8 16 15 14 NC OE NC 10MHz 24MHz 28.322MHz 24.576MHz NC PCS1P2858A 13 12 11 10 9 Pin Description Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name XIN/CLKIN XOUT VDD VDDFOUT GNDFOUT GND 27MHz 27MHz NC 24.576MHz 28.322MHz 24MHz 10MHz NC OE NC Pin Type Input Output Power Power Power Power Output Output Output Output Output Output Input - Pin Description Crystal connection or External reference Clock input. Connection to crystal. If using an external reference clock, this pin must be left unconnected. Connect to +3.3V. Connect to +3.3V. Connect to ground. Connect to ground. 27MHz Reference Clock output 27MHz Reference Clock output No connection 24.576MHz Output Clock 28.322MHz Output Clock 24MHz Output Clock 10MHz Output Clock No connection Output Enable bit. When this pin is made HIGH, the output clocks are enabled. Tri-states all the clocks when disabled. Has an Internal pull-up resistor No connection Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 2 of 7 May 2008 rev 0.2 Absolute Maximum Ratings Symbol VDD VIN TSTG Ts TJ TDV PCS1P2858A Parameter Power Supply Voltage relative to Ground Input Voltage relative to Ground (Input Pins) Storage temperature Max. Soldering Temperature (10 sec) Junction Temperature Static Discharge Voltage (As per JEDEC STD22- A114-B) Rating -0.5 to +4.6 -0.5 to VDD+0.3 -65 to +150 260 125 2 Unit V C C C KV Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect device reliability. Operating Conditions Parameter VDD / VDDFOUT Operating Voltage TA CL CIN Operating Temperature (Ambient Temperature) Load Capacitance Input Capacitance 5 Description Min 3.135 0 Typ 3.3 Max 3.465 +70 15 Unit V C pF pF DC Electrical Characteristics Symbol VDD VIH VIL VOH VOL IOS ICC IDD ZOUT Parameter Operating Voltage Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Short Circuit Current Static Current Dynamic Current Nominal output impedance Conditions Min 3.135 2 GND-0.3 Typ 3.3 Max 3.465 VDD+0.3 0.8 0.4 Units V V V V V mA mA mA IOH= -12mA IOL= 12mA Clock outputs CLKIN Pin pulled low No Load, All Clocks on 2.4 70 10 30 30 Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 3 of 7 May 2008 rev 0.2 AC Electrical Characteristics Symbol CLKIN Input Clock frequency PCS1P2858A Parameter Min Typ 27 27 10 24 24.576 28.322 Max Unit MHz CLK OUT Output Clock frequency MHz tLH* tHL * tJC Output rise time (Measured from 0.8V to 2.0V) Output fall time ( Measured from 2.0V to 0.8V) Period Jitter Synthesis Error (Output Frequency) 28.322MHz Other outputs 0.8 0.8 1.4 1.4 300 5.68 0 2.0 2.0 nS nS pS ppm ppm tD * tON Output duty cycle Power up Time (first locked cycle after power-up) 45 50 3 55 5 % mS *tLH and tHL are measured into a capacitive load of 15pF Typical Crystal Oscillator Circuit R1 = 510 C1 = 27 pF C2 = 27 pF Typical Crystal Specifications Fundamental AT cut parallel resonant crystal Nominal frequency Frequency tolerance Operating temperature range Storage temperature Load capacitance Shunt capacitance ESR 27MHz 50 ppm or better at 25C -25C to +85C -40C to +85C 18pF 7pF maximum 25 Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 4 of 7 May 2008 rev 0.2 Package Information PCS1P2858A 16-lead Thin Shrunk Small Outline Package (4.40-MM Body) 8 1 PIN 1 ID E H 9 16 A Seating Plane L C e D A2 B A1 D Dimensions Symbol Min A A1 A2 B C D E e H L 0.020 0 0.002 0.031 0.007 0.004 0.193 0.169 0.026 BSC 0.252 BSC 0.030 8 0.50 0 Inches Max 0.043 0.006 0.041 0.012 0.008 0.201 0.177 0.05 0.80 0.19 0.09 4.90 4.30 Millimeters Min Max 1.20 0.15 1.05 0.30 0.20 5.10 4.50 0.65 BSC 6.40 BSC 0.75 8 Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 5 of 7 May 2008 rev 0.2 Ordering Code Part Number PCS1P2858AG-16TR PCS1P2858AG-16TT PCS1P2858A Marking 3P2858AG 3P2858AG Package 16-Pin TSSOP, TAPE & REEL, Green 16-Pin TSSOP, TUBE, Green Temperature Commercial Commercial Device Ordering Information PCS1P2858AG-16-TR R = Tape & Reel, T = Tube or Tray O = TSOT23 S = SOIC T = TSSOP A = SSOP V = TVSOP B = BGA Q = QFN U = MSOP E = TQFP L = LQFP U = MSOP P = PDIP D = QSOP X = SC-70 J=TSOT26 DEVICE PIN COUNT G = GREEN PACKAGE, LEAD FREE, and RoHS PART NUMBER X= Automotive I= Industrial P or n/c = Commercial (-40C to +125C) (-40C to +85C) (0C to +70C) 1 = Clock Generator 2 = Non PLL based 3 = EMI Reduction 4 = DDR support products 5 = STD Zero Delay Buffer 6 = Power Management 7 = Power Management 8 = Power Management 9 = Hi Performance 0 = Reserved PULSECORE SEMICONDUCTOR MIXED SIGNAL PRODUCT Licensed under US patent Nos 5,488,627 and 5,631,920. Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 6 of 7 May 2008 rev 0.2 PCS1P2858A PulseCore Semiconductor Corporation 1715 S. Bascom Ave Suite 200 Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018 www.pulsecoresemi.com Copyright (c) PulseCore Semiconductor All Rights Reserved Part Numbers: PCS1P2858A Document Version: 0.2 Note: This product utilizes US Patent # 6,646,463 Impedance Emulator Patent issued to PulseCore Semiconductor, dated 11-11-2003 Many PulseCore Semiconductor products are protected by issued patents or by applications for patent (c) Copyright 2006 PulseCore Semiconductor Corporation. All rights reserved. Our logo and name are trademarks or registered trademarks of PulseCore Semiconductor. All other brand and product names may be the trademarks of their respective companies. PulseCore reserves the right to make changes to this document and its products at any time without notice. PulseCore assumes no responsibility for any errors that may appear in this document. The data contained herein represents PulseCore's best data and/or estimates at the time of issuance. PulseCore reserves the right to change or correct this data at any time, without notice. If the product described herein is under development, significant changes to these specifications are possible. The information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. PulseCore does not assume any responsibility or liability arising out of the application or use of any product described herein, and disclaims any express or implied warranties related to the sale and/or use of PulseCore products including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in PulseCore's Terms and Conditions of Sale (which are available from PulseCore). All sales of PulseCore products are made exclusively according to PulseCore's Terms and Conditions of Sale. The purchase of products from PulseCore does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of PulseCore or third parties. PulseCore does not authorize its products for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result in significant injury to the user, and the inclusion of PulseCore products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify PulseCore against all claims arising from such use. Multi-Output Clock Generator Notice: The information in this document is subject to change without notice. 7 of 7 |
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