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	Sequential Circuits - Wikipedia, the free encyclopedia
		Sequential Circuits Inc. (SCI) was a California-based synthesizer company that was founded in the early 1970s by Dave Smith and sold to Yamaha Corporation in 1987.
		Sequential Circuits was also pivotal in the planning, designing, and supporting of 1982's ground-breaking music technology: MIDI.
		Sequential Circuits products are popular targets for simulation or emulation in software synthesizers, with companies such as Native Instruments and Creamware offering virtual instruments inspired by the Sequential designs.
	en.wikipedia.org /wiki/Sequential_Circuits (888 words)

	Sequential Circuits Prophet 5 - Wikipedia, the free encyclopedia
		The Prophet 5 was an analog synthesizer manufactured by Sequential Circuits in San Jose, California between 1978 and 1984.
		The Prophet 5 was groundbreaking in that it was one of the first analog synthesizers to implement patch memory, a feature which scanned the settings of every parameter on the synthesizer and stored it into internal memory.
		Sequential Circuits also manufactured a double version of the Prophet 5 called the Prophet 10, which featured 10 voice polyphony and two keyboards, stacked on top of each other.
	en.wikipedia.org /wiki/Sequential_Circuits_Prophet_5 (393 words)

	Sequential Circuits Part-I
		A sequential circuit is specified by a time sequence of inputs, outputs, and internal states.
		Sequential circuits that have a clock signal as one of its inputs.
		All state transitions in such circuits occur only when the clock value is either 0 or 1 or happen at the rising or falling edges of the clock depending on the type of memory elements used in the circuit.
	www.asic-world.com /digital/seq1.html (394 words)

	Sequential Circuits
		A somewhat different circuit can yield an EDGE TRIGGERED FLIP-FLOP that does not require the input to be stable during the entire high part of the clock pulse (as this circuit does) but only that it be stable for a certain interval (the setup time) before the falling edge.
		Sequential circuits have outputs that are a function of both current input and the history of the circuit - ie.
		It is also possible to have a sequential circuit where the output is a function BOTH of the state and of the input.
	www.cs.gordon.edu /local/courses/cs221/lectures/sequential.html (3990 words)

	Sequential Circuits Part-II
		Sequential circuit as seen in last page, is a combinational logic with some feedback to maintain current value, like a memory cell.
		The equivalent circuit is same as having buffer with its output connected to its input.
		Below circuit is same as the inverters connected back to back with provision to set the state of each gate (NOR gate with both inputs shorted is like a inverter).
	www.asic-world.com /digital/seq2.html (521 words)

	Introduction to Sequential Circuits
		Sequential circuits use current input variables and previous input variables by storeing the information and putting back into the circuit on the next clock (activation) cycle.
		For the clocked sequential circuits, the output pulse is the same duration as the clock pulse.
		An important thing to note with sequential circuits is that duration of the activating pulse should be low enough so that the secondary inputs do not change state in same activating pulse.
	www.ee.surrey.ac.uk /Projects/Labview/Sequential/Course/03-Seq_Intro/Intro.html (402 words)

	Design of Sequential Circuits (Site not responding. Last check: 2007-11-01)
		The design of a synchronous sequential circuit starts from a set of specifications and culminates in a logic diagram or a list of Boolean functions from which a logic diagram can be obtained.
		In contrast to a combinational logic, which is fully specified by a truth table, a sequential circuit requires a state table for its specification.
		The first step in the design of sequential circuits is to obtain a state table or an equivalence representation, such as a state diagram.
	www.eelab.usyd.edu.au /digital_tutorial/part3/design.htm (150 words)

	Introduction to Sequential Circuits
		Further, the circuit is unstable in this state; when one of the inputs returns to the false state, the remaining input determines the stable state and the output changes.
		gate are false, and the output of the circuit is false.
		If the combinational parts of a circuit could settle during the time the clock signal was true, and the storage part of the circuit sampled the input and saved the result when the clock changed from true to false, we would have no problems with hazards at the output nor with ones catching.
	www.spsu.edu /cs/faculty/bbrown/web_lectures/sequential (2578 words)

	Sequential circuits
		The outputs of any of the circuits were determined by the combination of the inputs.
		Sequential circuits have loops - these enable circuits to receive feedback.
		They are to sequential circuits what truth tables are to combinational circuits.
	www.cs.princeton.edu /~lworthin/126/precepts/sequential.html (1496 words)

	Synthesizer - Wikipedia, the free encyclopedia
		Other circuits, such as waveshapers and ring modulators, can change the tonality in non-harmonic ways or create distortion effects which are often not found in natural sound sources.
		The first practical polyphonic synth, and the first to use a microprocessor as a controller, was the Sequential Circuits Prophet-5 introduced in 1978.
		Their third version, the DX-7 (1983), was about the same size and weight as the Prophet-5, was reasonably priced, and depended on custom digital integrated circuits to produce FM tonalities.
	en.wikipedia.org /wiki/Synthesizer (5439 words)

	Electronic circuits and electronic schematics
		super circuits, also known as micro circuits, analog circuits is analog integrated circuits, series and parallel circuits, circuits and systems of judicial circuits.
		vlsi circuits is not radio circuits and find details of maxim integrated circuits and related to microelectronic circuits sedra, snap circuits is telephone circuits is series parallel circuits is the same as bassbasic circuits, filter circuits.
		Purchase electronic snap circuits, federal judicial circuits is motor circuits of lc circuits is required by application specific integrated circuits and cmos digital integrated circuits creates the need for combinational circuits, current circuits, t1 circuits, also known as transmitter circuits, south bay circuits.
	www.electronic-circuits.com.ru (2530 words)

	Sequential circuit test
		Generating tests for sequential circuits is known to be a difficult problem, and existing automatic test pattern generation (ATPG) packages, both from university research and industry, can only deal with relatively small circuits.
		Then, the commercial sequential ATPG tool is used to generate module level vectors for a transformed circuit which includes the synthesized constraints and the original embedded module.
		Since this transformed circuit is much smaller (it only has logic relevant to the embedded module), commercial tools can develop high quality tests for this circuit in times which are significantly lower than when considering the entire circuit.
	www.cerc.utexas.edu /~jaa/testing/genetic.html (1043 words)

	Sequential Circuits (Site not responding. Last check: 2007-11-01)
		For sequential circuits, the output depends on the sequence of inputs.
		In most sequential circuits, the inputs are sequenced by connecting one or more of the outputs to the inputs of the circuit creating what is known as feedback.
		One important parameter to consider when analyzing sequential circuits is the time taken for the output of the circuit to respond to a change in inputs, this is referred to as the propagation delay (t
	scitec.uwichill.edu.bb /cmp/online/P10F/sequential.htm (180 words)

	Techniques for Verifying Large Sequential Circuits
		Verification of circuit implementations against their specifications (circuit descriptions at a higher level in the design hierarchy) is formulated as checking for containment of the specification state machine in the implementation state machine to ensure that all specified behavior is correctly implemented.
		This model, extracted automatically, embodies the flow of control in a sequential circuit and is used to evaluate the control flow coverage of the simulation vectors used for design verification.
		This paper presents a new verification methodology to prove that a high level HDL description of a synchronous sequential circuit satisfies certain desired behavior or that it is free of certain malicious behavior.
	www.cerc.utexas.edu /~jaa/verif/sequential-verif.html (1540 words)

	Sequential circuits (Site not responding. Last check: 2007-11-01)
		In the same way that combinatorial circuits are generalizations of gates, sequential circuits are generalizations of flip-flops.
		In general, we define a synchronous sequential circuit, or just sequential circuit as a circuit with m inputs, n outputs, and a distinguished clock input.
		Since we are using D-flip-flops, the outputs of the circuit after the next clock pulse is exactly the same as the output of the combinatorial circuit.
	dept-info.labri.u-bordeaux.fr /~strandh/Teaching/AMP/Common/Strandh-Tutorial/sequential-circuits.html (280 words)

	Analysis of Sequential Circuits
		The behaviour of a sequential circuit is determined from the inputs, the outputs and the states of its flip-flops.
		The suggested analysis procedure of a sequential circuit is set out in Figure 6 below.
		When we reach this stage, we use either the table or the state diagram to develop a timing diagram which can be verified through simulation.
	www.eelab.usyd.edu.au /digital_tutorial/part3/analysis.htm (152 words)

	Sequential Circuits
		One can build a similar circuit from NOR gates - but we won't pursue this here.
		C. One important characteristic of the flip flop we have been considering is that it is ASYNCHRONOUS - that is, the output changes almost instantaneously when the input changes.
		Counters -- -------- A. Another interesting sort of sequential circuit is the counter - a register whose value goes up (or down) on each clock pulse.
	www.cs.gordon.edu /courses/cs311/lectures-2003/sequential.html (4098 words)

	Dave Smith Instruments
		After Sequential, Dave was President of DSD, Inc, an RandD division of Yamaha, where he worked on physical modeling synthesis and software synthesizer concepts.
		Sequential Circuits Pro-FX Though not very well known, the Pro-FX was the world's first programmable and modular effects device.
		The keyboard feel was so well liked by the pros that Sequential sold the T8 keyboards to Synclavier to use in their super-expensive synths.
	www.davesmithinstruments.com /other/museum.html (1199 words)

	Sequential circuits (Site not responding. Last check: 2007-11-01)
		Sequential circuits are able to remember what has happened to them and can use it to alter their future behaviour.
		One of the simplest sequential circuit is a D flip-flop which can remember whether a single bit is one or zero.
		This single-bit memory can be used as the basis of all other sequential circuits.
	www.ii.uam.es /~jlara/investigacion/ecomm/electronica/sequ.html (171 words)

	Design of Asynchronous Sequential Circuits
		Systematic design of asynchronous sequential switching circuits and of communicating asynchronous circuits for generating or controlling concurrent discrete processes.
		To the hazard problems that dominate the design of asyn chronous circuits, the need for synchronization between the circuits of an assemblage adds the problems of non- fundamental mode operation and arbitration.
		Processes at the interface between sequential circuit and environment, and within the circuit; finite-state machine models.
	www.eit.uni-kl.de /fb_et/dschungelbuch/lehrstuehle/digital/85-542.e.html (279 words)

	Scan testing of asynchronous sequential circuits (Site not responding. Last check: 2007-11-01)
		A method to design and test asynchronous sequential circuits (ASCs) based on the micropipeline design style is presented in this paper.
		The complexity of the test procedure of such a testable ASC is reduced to that of the combinational circuit.
		Tests for the combinational circuit and state holding elements can be derived using standard test generation techniques.
	csdl2.computer.org /persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/glsvlsi/1995/7035/00/7035toc.xml&DOI=10.1109/GLSV.1995.516057 (214 words)

	Sequential Circuits Prophet 5 Rev. 3.3 Resources
		It was created by the fertal mind of Dave Smith and who assembled the first one in his apartment back in 1978 just in time for the NAMM show where Dave introduced the the world to the very first computer controled anolog synth.
		The now defunkt Sequential Circuits Inc. made alot of great synths and and turned the world on to some fantastic sounds.
		I bought my Prophet-5 at a local swapmeet and dragged it home not knowing exactly what it was but shure it was worth a hell of a lot more than I had paid for it.
	www.stcroixstudios.com /wilder/music/prophet5.html (1164 words)

	Sequential Circuits Prophet-5 (Site not responding. Last check: 2007-11-01)
		The Prophet-5 was made by Sequential Circuits Inc. between 1977 and 1984.
		The circuitry was developed by Dave Rossum's team at Solid State Microtechnologies (SSM) whose leader later founded EMU Systems, and the SSM2040 filter circuit has become renowned among synthesizer fans for its beautiful "so right" sound, which was essential to the Prophet's sonic versatility and appeal as a great-sounding instrument.
		The earliest had 10 voices (20 oscillators) on 2 circuit boards but due to overheating they were untunable and 5 voices were removed (one voice board - the vacant connection for this 2nd voice board can still be seen).
	members.aol.com /Synthchap/prophet5.html (854 words)

	[20060226] TIMING ANALYSIS AND OPTIMIZATION OF SEQUENTIAL CIRCUITS (Site not responding. Last check: 2007-11-01)
		Timing Analysis and Optimization of Sequential Circuits describes CAD algorithms for analyzing and optimizing the timing behavior of sequential circuits with special reference to performance parameters such as power and area.
		A unified approach to performance analysis and optimization of sequential circuits is presented.
		Timing Analysis and Optimization of Sequential Circuits is written for graduate students, researchers and professionals in the area of CAD for VLSI and VLSI circuit design.
	optical.ticmundi.com /0-7923-8321-4.html (152 words)

	Timeless Truths about Sequential Circuits - Jones, Sheeran (ResearchIndex) (Site not responding. Last check: 2007-11-01)
		Abstract: We suggest the use of a declarative programming language to design and describe circuits, concentrating on the use of higher-order functions to structure and simplify designs.
		In order to describe sequential circuits, we use a language, ¯fp, which abstracts from temporal iteration.
		The practicalities of vlsi design make regularity attractive, and we describe the use of familiar higher order functions to capture spatial iteration.
	citeseer.ist.psu.edu /146224.html (507 words)

	SEQUENTIAL CIRCUITS - MULTITRAK (Site not responding. Last check: 2007-11-01)
		Other features of the MULTI_TRAK include a built-in multi-track sequencer, a chorus effect for richer sounds, a split keyboard, individual audio outputs for each voice, a cassette interface for program and sequence storage, and, of course, MIDI (Musical Instrument Digital Interface).
		For example, Sequential's Model 242 MIDI Interface Cartridge for the Commodore 64, and associated 900- series software, offers increased sequencer storage (up to 4000 notes), program and sequence storage on cassette or disc, and song transposition, as well as forthcoming music display and editing functions.
		Finally, if you use a MIDI rhythm unit (such as the Sequential Model 400 Drumtraks), it sends a MIDI clock to the MULTI-TRAK sequencer, which synchronizes the MULTI-TRAK song to the drum song (or pattern).
	www.matrixsynth.com /multi.htm (1405 words)

	eBay - sequential circuits, Electronic, Keyboard, Piano items on eBay.com (Site not responding. Last check: 2007-11-01)
		Switching Theory Volume II: Sequential Circuits and Ma
		Sequential Circuits Enter The Techno Arena 12" Listen!
		ATA CASE for SEQUENTIAL CIRCUITS PROPHET 5 KEYBOARD
	search-desc.ebay.com /search/search.dll?query=sequential+circuits&... (237 words)

	Sequential Circuits MAX - Specifications, pictures, prices, links, reviews and ratings
		Sequential Circuits MAX - Specifications, pictures, prices, links, reviews and ratings
		Try the Sequential Circuits links page for more..
		Reproduction in whole or in part in any form or medium without express written permission from Sonic State is prohibited.
	www.sonicstate.com /synth/sequential_max.cfm (212 words)

	UNL, Computer Science & Engineering (Site not responding. Last check: 2007-11-01)
		Hudli and S. Seth."Temporal logic based test generation for sequential circuits" CAD Systems Using AI Techniques.Ed.I. Odawara.
		Seth and V. Agrawal."On the probability of fault occurrence" Defect and Fault Tolerance in VLSI Systems.Ed.I. Koren.
		Agrawal and S. Seth."Tutorial: Test Generation for VLSI Circuits" Tutorial: Test Generation for VLSI Circuits.
	www.cse.unl.edu /research/books_published.php (1546 words)

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