CY28405OXC
CY28405OXC Datasheet
CY28405
| Part | Datasheet |
|---|---|
CY28405OXC |
CY28405OXC (pdf) |
| Related Parts | Information |
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CY28405OXCT |
CY28405OXCT |
| PDF Datasheet Preview |
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| CY28405 CK409-Compliant Clock Synthesizer • Supports Springdale/Prescott CK409 • Selectable CPU frequencies • 3.3V power supply • Nine copies of PCI clock • Four copies 3V66 clock with one optional VCH • Two copies 48-MHz USB clock • Two copies REF clock • Three differential CPU clock pairs • • Supports SMBus/I2C Byte, Word, and Block Read/Write • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference EMI reduction • 48-pin SSOP package 3V66 Block Diagram XIN XOUT FS_[A:E] VTT_PWRGD# IREF XTAL OSC PLL Ref Freq PLL 1 Divider Network SELVCH PLL2 MODE SDATA SCLK I2C Logic WD Timer Pin Configuration **FS_A/REF_0 **FS_B/REF_1 VDD_REF VDD_REF REF[0:1] XOUT VDD_CPU VSS_REF CPUT[0:1,ITP], CPUC[0*:F1,SIT_PC] /PCIF0 *FS_D/PCIF1 *FS_E/PCIF2 VDD_PCI VSS_PCI PCI0 VDD_3V66 PCI1 3V66_[0:2] PCI2 PCI3 Ordering Information Output Current IOH = 6*IREF VOH Z 0.7V 50 Part Number CY28405OC CY28405OCT Lead Free CY28405OXC CY28405OXCT Package Type 48-pin Shrunk Small Outline package SSOP 48-pin Shrunk Small Outline package SSOP Tape and Reel 48-pin Shrunk Small Outline package SSOP 48-pin Shrunk Small Outline package SSOP Tape and Reel Product Flow Commercial, 0° to 70°C Commercial, 0° to 70°C Commercial, 0° to 70°C Commercial, 0° to 70°C Page 17 of 19 [+] Feedback Package Drawing and Dimensions 48-Lead Shrunk Small Outline Package O48 CY28405 51-85061-*C Purchase of I2C components from Cypress, or one of its sublicensed Associated Companies, conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. Intel and Pentium are registered trademarks of Intel Corporation. Dial-a-Frequency is a registered trademark of Cypress Semiconductor. All product and company names mentioned in this document are trademarks of their respective holders. Page 18 of 19 Cypress Semiconductor Corporation, 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. [+] Feedback CY28405 Document History Page Document Title CY28405 CK409-Compliant Clock Synthesizer Document Number 38-07512 Orig. of ECN NO. Issue Date Change Description of Change 125354 04/15/03 RGL New Data Sheet 127159 06/16/03 RGL Removed SRC functionality Modified the title to CK409-Compliant Clock Synthesizer 235894 See ECN RGL Removed all items referencing to 166MHz Added Lead Free devices in the ordering information table Page 19 of 19 [+] Feedback |
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