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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.
total search1672 articles
2010-08-06 Using synchronous smart cards with the 73S12xxF
This application note describes how to use synchronous smart cards with the 73S12xxF family.
2011-04-01 Using serial synchronous mode in CC110x and CC2500
Learn about the register settings to configure the radio in serial synchronous mode and the considerations to minimize the packet error rate for continuous data streaming applications.
2000-12-07 Using PSPICE to analyze performance of power MOSFETs in step-down, switching regulators employing synchronous rectification
This application note describes an easy method to analyze the performance of various power MOSFETs in step-down switching regulators using the PSPICE circuit analysis tool.
2003-06-20 Using IR1176 Synchronous Rectifier Driver IC in DC/DC converters
This application note discusses how the IR1176 synchronous rectifier driver IC to drive dc/dc converters.
2004-11-22 Using Intel Flash Memory: Asynchronous page mode and synchronous burst mode
This app note describes asynchronous page read mode and synchronous burst read mode operations for Intel flash memory products that support these features.
2002-10-15 Using an FX469 FFSK synchronous modem with an asynchronous data I/O
This application note describes the construction of a low-cost asynchronous modem for the transmission of RS-232 data in the form of FFSK or MSK, between terminals by a radio or line medium.
2001-03-28 Understanding synchronous FIFOs
This application note discusses the general operation and features of Cypress Semiconductor's line of synchronous FIFOs.
2001-03-29 Understanding synchronous dual-ports
This application note explains the basic operations and features of Cypress Semiconductor's synchronous dual-port memories.
2010-12-02 Understanding source-synchronous SerDes
Know how to efficiently use primitives in conjunction with the input delay blocks and phase detector circuitry.
2001-03-20 Understanding burst modes in synchronous SRAMs
This application note discusses the different burst modes on synchronous SRAMs.
2000-06-22 Ultra-fast synchronous counters
This application note discusses the implementation of a fully synchronous, non-loadable, binary counter by using the XC4000 and XC3000 FPGA designs.
2000-11-27 Timing margin analysis for clock buffers in high-speed synchronous networking systems
This application note describes how skew has become a major constraint that forms the upper boundary for a system clock's frequency, and shows how to calculate timing margin and the minimum clock output skew.
2006-08-25 TI's PCIe x1 PHY supports source synchronous, DDR clocking
TI's new PCIe x1 PHY chip supports source synchronous clocking and DDR clocking, easing board layout design and enabling customers to choose low-cost FPGAs that don't run faster than 125MHz.
2013-11-01 TI unveils 20V DC/DC synchronous buck controller
The LM27403 is touted by the firm as the industry's first analogue DC/DC controller with dynamic temperature-compensated inductor current sensing.
2014-08-04 TI delivers triple-output synchronous buck converters
TPS65261 and TPS65262 feature 4.5V to 18V input supply voltage range for intermediate bus voltages operating off 5V, 9V, 12V or 15V power buses or batteries.
2003-01-09 Thales PMC supports synchronous, asynchronous protocols
The PMC-SIO octal serial I/O PCI mezzanine card mixes a quad ESCC and a quad UART equipped with EIA-232 or EIA-422/485 interfaces.
2011-01-31 Synchronous stepdown DC/DC controller touts precise conversion
Linear Technology Corp.'s LTC3880/-1 allows for digital programming and read back for real-time control and monitoring of critical point-of-load converter functions.
2012-05-24 Synchronous step-down switching regulator offers 96% efficiency
Synchronous rectification by Linear Technology's LT8610 synchronous step-down switching regulator enables the DC/DC converter to deliver 96 percent efficiency from a 2.5A, 42V input.
2013-12-23 Synchronous step-down regulators run from 3.5A, 42V supplies
The LT8610A and LT8610AB claim to offer 96 percent efficiency and have Burst Mode operation that keeps quiescent current under 2.5uA in no-load standby conditions.
2005-11-21 Synchronous step-down controller with 95 percent efficiency
Intersil's new synchronous step-down controller integrates a synchronous buck PWM controller, a sourcing and sinking LDO regulator and a 10mA reference output buffer.
2007-10-24 Synchronous SRAMs come in standard, no-wait options
A family of 36Mbit high speed synchronous SRAMs have been launched by Integrated Silicon Solution Inc.
2008-03-31 Synchronous rectifier ups efficiency in power designs
Fairchild has rolled out a 40V breakdown DC/DC synchronous rectifier that it says enables designers to achieve higher levels of efficiency in their power designs.
2006-03-14 Synchronous rectifier IC boosts flyback, resonant half-bridge designs
International Rectifier touts its SmartRectifier chipset, which comprises the IR1167 with external HEXFET MOSFETs, as the first high-efficiency solution that's viable from the standpoint of technology and cost.
2001-05-22 Synchronous rectification to enhance dc-dc converter design
Use synchronous rectification to reduce power dissipation and deliver superior efficiency.
2002-05-08 Synchronous motor controller prevents pole slip and saves costs when operating brushless synchronous motors
This application note discusses the process of preventing pole slip via a synchronous motor controller.
1999-10-15 Synchronous dual-port static RAMs for DSP and communications applications
Data transfers are moving towards being more synchronous and may be random, sequential, pipelined, and/or non-pipelined applications. If dual-ported technology is the answer, then synchronous dual-ported SRAM will carry today's designs even further.
2007-11-29 Synchronous driver rolls for n-channel MOSFETs
Linear Technology has introduced a high-speed synchronous MOSFET driver designed to drive upper and lower n-channel power MOSFETs in a synchronous rectified converter topology.
2006-12-18 Synchronous converter delivers up to 600mA
Linear Technology has announced the LTC3530, a synchronous buck-boost converter that delivers up to 600mA of output current to a regulated output voltage with inputs above, below or equal to the output.
2006-11-02 Synchronous controller operates from 2.75-4.5V
Linear Technology has introduced a dual-output, two-phase, low-input voltage current mode synchronous step-down switching controller that operates from an input voltage from 2.75V to 4.5V.
2005-10-11 Synchronous buck switching controller offered in SOT-23 package
The LM1770 from National Semiconductor is claimed to be the industry's first SOT-23 synchronous buck switching controller for low-voltage DC/DC conversion.
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