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What does asynchronous mean?
In an asynchronous circuit, parts are largely autonomous. They are not governed by any regular, periodic time-controlling mechanism, such as a clock circuit or signal, but instead need only wait for the signals that indicate completion of instructions and operations. These signals are often specified by simple data transfer protocols.
This digital logic design is contrasted with a synchronous circuit which operates according to clock timing signals.
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2014-09-03 Power tip: Benefits of synchronising power supplies
Should you synchronize switching frequencies or let each power supply switch independently? In this article, we explain why synchronizing makes for well-behaved power supplies.
2004-09-13 Philips UARTs eye space-constrained apps
Philips expanded its family of 16C Universal Asynchronous Receiver/Transmitters with the release of four new devices in compact lead-free HVQFN packaging.
2004-02-12 Philips UART provides 256-byte FIFO
Royal Philips Electronics has disclosed that its SC28L202 is the industry's first UART with 256B FIFO and real-time error detection.
2002-04-19 Philips SiGe process targets optical network chips
Philips Electronics has announced the availability of the QUBiC4G semiconductor process that combines high-speed SiGe technology with the passive component integration, substrate isolation, and dense logic capabilities of their QUBiC4 BICMOS process.
2005-09-16 Performing new tricks with PICs
Squeeze extra features out of PIC microcontrollersthe tricks are all here and can be used on other MCUs as well
2006-08-29 PC/104 module has eight serial ports with ESD protection
WinSystems has introduced a RoHS-compliant 8-channel PC/104 asynchronous communications module suited for embedded applications requiring a large number of serial I/O ports.
2002-04-15 NEC PHY chip integrates four 622Mbps SONET/SDH channels
The 5PD98413 ATM and POS PHY device from NEC Corp. integrates four 622Mbps SONET/SDH framer function channels on one chip, making it suitable for 3G mobile basestations, DSLAMs, and other high-end WAN edge equipment.
2002-03-25 NEC ATM, POS chip packs four 622Mbps SONET/SDH framer channels
The 5PD98413 ATM and POS PHY chip from NEC integrates four 622Mbps SONET/SDH framer function channels on one chip, enabling faster 3G mobile basestations, DSLAM, and WAN edge equipment.
2002-07-10 NanoAmp rolls 16Mb PSRAMs
NanoAmp Solutions Inc. has released its family of asynchronous single-transistor PSRAMs targeted at 2.5G and 3G mobile phones.
2010-02-25 Migration to 90nm 5V Async SRAMs
This application note discusses the migration of 5V asynchronous SRAMs from existing technology (250nm and earlier) to 90nm technology.
2002-10-22 Lucent to supply China Unicom with switching products
Lucent Technologies has announced that it will provide telecom service provider China Unicom Ltd, with a range of its multiservice switching products, to support voice and data services of China Unicom subscribers.
2002-08-14 LSI Logic offers ADSL modem chipset
LSI Logic Corp. is moving into the standard-chips business for ADSL modems with the introduction of a three-piece chipset.
2002-08-20 LinkCom ADSL transformers fit Conexant chipset
LinkCom Mfg Co. Ltd's LAL0102 and LAL0103 ADSL transformers have been approved by Conexant Systems Inc. for use in their CX82310-11 ADSL router and CX82320-11 ADSL USB chipsets.
2005-11-01 Learn how processor-based emulation works
Learn more about processor-based emulation and how design constructs are mapped into it
2002-10-03 ISSI SRAMs reduce power rating in half
Integrated Silicon Solution's IS61LV12816L and IS61LV2568L 2MB ASRAMs feature an access time of 8ns, while consuming <50mA active power.
2002-05-23 ISSI ships MCPs in Fujitsu's FBGA technology
Integrated Silicon Solution Inc. has announced the shipment of a family of stacked multichip packaged (MCP) modules that uses Fujitsu Ltd's FBGA packaging technology.
2003-02-20 ISSI ASRAMs feature 8ns access time
Integrated Silicon Solution Inc. has announced the availability of the industry's first 8Mb ASRAMs that operate in the 3.3V range.
2002-03-05 Infineon unveils ATM, packet over VDSL solution
The company has announced the release of the 4bVDSL standard-compliant ATM over VDSL solution and the PoVDSL packet over VDSL solution, enabling telecommunications equipment that offer the highest possible broadband transmission rates.
2004-05-17 Infineon processor bridges ATM, Ethernet traffic
Infineon has created the specialized processor ConverGate-C, designed to aggregate ATM-based xDSLs and convert the traffic to Internet Protocol on the line card.
2011-08-01 Industrial server boasts 12 expansion slots
Kontron has released a 64bit industrial server that is equipped with Intel Core i3/i5/i7 processors and targets I/O intensive applications.
2002-08-28 ICSI offers ASRAMs in BGA, STSOP-1 packages
Integrated Circuit Solution Inc. has announced it has added the BGA and STSOP-1 package types to its 1Mb ASRAM products designed for use in wireless LAN applications.
2002-05-30 Iconoclast designers choose MIPS
A group of engineers in Calabasas Hills, California, wants to turn the microprocessor world on its head by doing the unthinkable: tossing out the clock and letting the signals move about unencumbered.
2010-12-03 How to migrate FIFO generator
Here's a guide to migrating existing designs containing instances of either legacy FIFO cores or older versions of FIFO Generator cores to the latest version of the FIFO Generator.
1999-06-01 High-speed isochronous bus for next-generation PCs
This paper describes system buses and performance bottleneck issues, and provides a migration path to high speed isochronous system buses.
2005-02-09 GSI, Nu Horizons expand partnership agreement
GSI Technology and Nu Horizons Electronics Corp. have disclosed the expansion of their North American partnership agreement.
1999-12-31 Frame relay in ATM networks
This note discusses Ericsson's frame relay/ATM network system that features high scalability for great network demands of present industry applications.
2005-03-28 First PCI 3.0-compliant UART
Exar's XR17V258 UART devices will support 66MHz PCI bus interfacesup to 8 channels with 32bit data.
2014-05-30 Exploring the micropipeline
The micropipeline is a powerful yet simple design approach enabling the implementation of extremely efficient asynchronous circuits. Here's a review of its underlying concepts.
2006-09-25 Exar unveils UARTs for battery-operated consumer devices
Exar Corp. expanded its serial communications product portfolio with the release of a new family of high performance, low voltage UARTs.
2006-08-28 Exar unrolls 'first' quad-channel 66MHz PCI 3.0 compliant UART
Exar has announced a quad-channel 66MHz PCI 3.0 compliant UART device, said to be the industry's first such product.
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