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Motore di ricerca datesheet componenti elettronici |
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QR0001 Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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QR0001 Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
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1 / 40 page  TLF11928 PRELIMINARY October 1994 QR0001 QuickRing TM Data Stream Controller General Description QuickRing is a point-to-point data transfer architecture de- signed to facilitate high speed data streams The QuickRing architecture can be applied both inside the chassis as well as outside the chassis environments to increase data throughput Each QR0001 QuickRing Controller node in the ring is capable of streaming up to 231 MSampless per sig- nal line simultaneously including protocol overhead This device is intended for use in applications that handle high- bandwidth data streams associated with graphics uncom- pressed video disk arrays high-speed local area networks multiprocessor systems and to interconnect peripherals over a few meters of cable The QR0001 QuickRing Con- troller can be used to augment the performance of tradition- al backplane buses in personal computers workstations and high-end systems The QR0001 is useful for routing high-bandwidth streams in systems that are larger or topo- logically more complex than bus-based systems Features Y 160-pin PQFP package Y 16 node single ring capability Y Peak theoretical rate over 1 GBytesec for 16 node ring Y Support for Multi-Ring topologies Y Error detection detects 1- and 2-bit errors RING INTERFACE Y Precision PLL captures data at 231 MSampless max Y 33 MHz maximum ring clock frequency Y Low Voltage Differential Signaling (LVDS) ring interface (IEEE P15963) CLIENT INTERFACE Y 132 MBytess data transfer rate at both Tx and Rx ports Y 32-bit transmit and receive data ports Y Readable internal diagnostic register Y TTL signal interface Block Diagram TLF11928 – 1 QuickRingTM is a trademark of Apple Computer Incorporated C1995 National Semiconductor Corporation RRD-B30M75Printed in U S A |
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Descrizione simile - QR0001 |
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