Datenblatt-Suchmaschine für elektronische Bauteile |
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SI52146 Datenblatt(PDF) 1 Page - Silicon Laboratories |
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SI52146 Datenblatt(HTML) 1 Page - Silicon Laboratories |
1 / 20 page Preliminary Rev. 0.1 12/11 Copyright © 2011 by Silicon Laboratories Si52146 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Si52146 PCI-E XPRESS G EN 1, G EN 2, & G EN 3 S IX O UTPUT C LOCK G ENERATOR Features Applications Description The Si52146 is a spread-controlled PCIe clock generator that can source six PCIe clocks simultaneously. The device has six hardware inputs for enabling the respective outputs on the fly while powered on along with the spread control hardware pin to enable Spread for EMI reduction. Functional Block Diagram PCI-Express Gen 1, Gen 2, & Gen 3 compliant Low power push-pull type differential output buffers Integrated resistors on differential clocks Dedicated output enable pin for each clock Hardware selectable spread control Six PCI-Express clocks 25 MHz crystal input or clock input I2C support with readback capabilities Triangular spread spectrum profile for maximum electromagnetic interference (EMI) reduction Industrial temperature: –40 to 85 oC 3.3 V Power supply 32-pin QFN package Network attached storage Multi-function printer Wireless access point Routers Control RAM Control & Memory XIN/CLKIN XOUT SCLK SDATA OE [5:0] CKPWRGD/PDB SSON DIFF3 DIFF5 PLL1 (SSC) Divider DIFF4 DIFF0 DIFF2 DIFF1 Patents pending Ordering Information: See page 18 Pin Assignments 9 10 11 12 13 14 15 16 VDD OE2 1 SSON 2 OE3 1 OE5 1 OE4 1 1 2 3 4 5 6 30 29 28 27 26 25 24 23 22 21 20 19 VDD DIFF5 DIFF5 VDD DIFF4 DIFF4 VDD NC 7 8 18 17 DIFF3 DIFF3 32 31 Notes: 1. Internal 100 kohm pull-up. 2. Internal 100 kohm pull-down. 33 GND |
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Ähnliche Beschreibung - SI52146 |
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