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CY28517 Datasheet PCI Express Clock Generator

Manufacturer: Cypress (now Infineon)

Overview: CY28517 PCI Express Clock Generator.

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General Description

3.3V Power Supply for XTAL and REF 27 MHz Crystal Input/ Clock Input 27 MHz Crystal Output Ground for XTAL and REF 3.3V Power Supply for 25 MHz Outputs 25 MHz Clock Input for Enabling/Disabling 25 MHz [A:B] and 100 MHz [A:D] Clock.

It is a high true signal and has an internal pull down resistor with value >100 KOhms.

Ground for 25 MHz Outputs 9 VSS25 www.DataSheet4U.com 10, 11, 13, 14, 100MT/C[A:D] 15, 16, 18, 19 12, 21 17, 22 20 23 24 25 26 27 28 VSS100 VDD100 RSET VDD48 48M VSS25 SDATA SCLK 27M O, DIF Differential 100 MHz Clocks Intel Type-X buffer.

Key Features

  • Selectable, Triangle, and Lexmark profiles SMbus support with readback capabilities 3.3V power supply Packages are Pb free and ROHS compliant 28-pin TSSOP packages 100M x4 25M x2 27M x1 48M x1 Four 100 MHz differential clocks 48 MHz clock Two 25 MHz clocks 27 MHz Reference Clock OE control per clock output Selectable drive strength per output Logic Block Diagram OE_100_25 X1/CLK X2 XTAL OSC 27M 100MT[A:D] PLL1 RSET 100MC[.

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