CY26187SC-2

THIS SPEC IS OBSOLETE Spec No: 38-07131 Spec Title: CY26187-2 Broadcom Reference Design Clock Generator Sunset Owner: RGL Replaced by: NA 1CY2295 CY26187-2 Broadcom Reference Design Clock Generator Features • Integrated phase-locked loop • Low skew, low jitter, high accuracy outputs • 3.3V Operation Part Number CY26187-2 Outputs 1 Broadcom Reference Design BCM5680_5404 Input Frequency 50 MHz Output Frequencies 1 copy of 142.8 MHz (3.3V) Benefits Highest Performance PLL tailored for multimedia applications Meets critical timing requirements in complex system designs Logic Block Diagram OUTPUT MULTIPLEXER AND DIVIDERS VCO P 50 XIN XOUT P Comp OSC Q 142.8 MHz PLL OE VDD VDD VSS VSS Pin Configuration CY26187 8-pin SOIC XIN AVDD OE AVSS 1 2 3 4 8 7 6 5 XOUT VSS 142.8 MHz VDD Cypress Semiconductor Corporation Document #: 38-07131 Rev. OBS • 3901 North First Street • San Jose • CA 95134 • 408-943-2600 Revised December 02, 2004 CY26187-2 Summary Name XIN[1] AVDD OE AVSS VDD 142.8 MHz VSS XOUT[1] Pin Number 1 2 3 4 5 6 7 8 Description Reference Crystal Input Analog Voltage Supply Output enable (0-off; 1-on) Ground Voltage Supply 142.8-MHz clock output Ground Reference Crystal Output Absolute Maximum Conditions Parameter VDD TS TJ Storage Description Supply Voltage Temperature[2] –65 VSS – 0.3 VSS – 0.3 2 Junction Temperature Digital Inputs Digital Outputs referred to VDD Electro-Static Discharge Min. Max. 7.0 125 125 VDD + 0.3 VDD + 0.3 Unit V °C °C V V kV Recommended Operating Conditions Parameter VDD TA CLOAD Pmax fREF tPU Description Operating Voltage Ambient Temperature Max. Load Capacitance Max. Output Power Dissipation, 8-pin package Reference Frequency Power-up time for all VDD's to reach minimum specified voltage (power ramps must be monotonic) 0.05 50 500 Min. 3.135 0 Typ. 3.3 Max. 3.465 70 15 150 Unit V C pF mW MHz ms DC Electrical Characteristics Parameter Name Output High Current Output Low Current Input Capacitance Input Leakage Current IVDD 3.3V, All outputs @ 10 MHz Notes: 1. Float XOUT pin if XIN is driven by reference clock (as opposed to crystal). 2. Rated for 10 years. Description VOH = VDD – 0.5, VDD = 3.3V VOL = 0.5, VDD = 3.3V Min. 12 12 Typ. 24 24 Max. Unit mA mA 7 5 35 pF µA mA Document #: 38-07131 Rev. OBS Page 2 of 5 CY26187-2 AC Electrical Characteristics (VDD = 3.3V) (3.) Parameter t3 t4 t9 t10 Name Output Duty Cycle Description Duty Cycle is defined in Figure 1, 50% of VDD Min. 45 0.8 0.8 Typ. 50 1.4 1.4 200 3 Max. 55 Unit % V/ns V/ns ps ms Rising Edge Slew Rate Output Clock Rise Time, 20%-80% of VDD Falling Edge Slew Rate Output Clock Fall Time, 80% to 20% of VDD Clock Jitter PLL Lock Time Peak to Peak period jitter Note: 3. Not 100% tested. Test Circuit VDD 0.1 µF OUTPUTS CLK out CLOAD VDD 0.1 µF GND t1 t2 CLK 50% Figure 1. Duty Cycle Definition; DC = t2/t1. t3 80% t4 CLK 20% Figure 2. Rise and Fall Time Definitions. Ordering Information Ordering Code CY26187SC-2 Package Name S8 Package Type 8-Pin SOIC Operating Range Commercial Operating Voltage 3.3V Document #: 38-07131 Rev. OBS Page 3 of 5 CY26187-2 Package Diagram 8-Lead (150-Mil) SOIC S8 51-85066-A Document #: 38-07131 Rev. OBS Page 4 of 5 © Cypress Semiconductor Corporation, 2001. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. CY26187-2 Revision History Document Title: CY26187-2 Broadcom Reference Design Clock Generator Document Number: 38-07131 REV. ** *A OBS ECN NO. 110096 121872 294822 Issue Date 02/19/02 12/14/02 See ECN Orig. of Change CKN RBI RGL Description of Change New data sheet Power up requirements added to Operating Conditions Information TO Obsolete the DS Document #: 38-07131 Rev. OBS Page 5 of 5