Abstract:
A reconfigurable operation apparatus consists of a plurality of operation units capable of reconfiguring themselves by using a piece of given first configuration data and of operating simultaneously with one another; RAMs; diverse processor elements required for constituting an operation apparatus; an inter-resource network interconnecting the operation units, the RAMs and the diverse processor elements, performing data transfers between resources connected thereto in a uniform transfer time independent of positions and kinds of the resources, and being reconfigurable by using a given second configuration data; and a configuration memory storing the first and the second configuration data. Configuration data is loaded from an external storage apparatus onto the configuration memory, and the first and the second configuration data are supplied to the reconfigurable processor resources in appropriate sequence and timing based on data available from a plurality of operation units.
Abstract:
A semiconductor integrated circuit comprises a plurality of first hierarchical units of logic devices each including a plurality of bipolar logic devices having a polycell structure. The bipolar logic devices have a first standardized size in a first direction and are arranged in a second direction for a second standardized size in each first hierarchical unit. Each of the first hierarchical units is defined by first and second main edges extending in the second direction for the second standardized size, and first and second side edges extending in the first direction for the first standardized size. Each of the first hierarchical units consumes a generally identical electric power and has a first power feed system extending in the second direction for the second standardized size for feeding the electric power to the bipolar logic devices therein. At least a part of the first hierarchical units are arranged in the first direction to form a plurality of second hierarchical units having respective lengths in the first direction wherein the first and second side edges are aligned in the first direction in each of the second hierarchical units. Further, the second hierarchical units are disposed such that there are at least two second hierarchical units having respective positions which are different in the second direction. Furthermore, there is provided a second power feed system extending in the first direction so as to cross the first power feed system for feeding the electric power thereto.
Abstract:
An integrated circuit semiconductor device of very large scale (VLSI) formed in a wafer, namely a wafer IC, is disclosed. In a wafer, a number of circuit blocks are formed in a matrix, being isolated from each other by an intermediate area locating between the circuit blocks. These circuit blocks are connected to interconnecting circuits which are formed on an insulative film in order to complete the wafer IC. The connection is performed by bonding corresponding bonding means, such as pads, disposed on the circuit blocks, repair chips and the interconnecting circuits by a conventional bonding process. With this structure of the wafer IC, the circuit blocks can be accessed easily by a computer aided testing apparatus in advance and the defective circuit blocks can be replaced by good ones, namely repair chips prepared in advance, without any rework of the interconnecting circuits. Bonding pads disposed on the circuit blocks and repair chips are arranged in a predetermined layout pattern for interchangeable bonding, by which the replacement of bad circuit blocks become possible regardless the location of the defective circuit blocks. Two types of the interconnecting film are disclosed for overcoming top surfaces of the repair chips, protruding from the surface of the wafer.
Abstract:
A complementary logic circuit which has large power handling capacity, high switching speed and still has low power consumption is disclosed. The circuit of the present invention is composed from a first stage comprising a complementary MIS-FET, and an output stage comprising a complementary vertical FET. The gate of the V-FET is arranged so as to serve as the drain or source of the MIS-FET. In such an arrangement, the steps of fabricating the IC are reduced and the packing density is increased. By varying the connection of positive and negative voltage sources, the circuit can be operated as an inverting or non-inverting logic circuit.
Abstract:
In an integrated circuit manufactured by the master slice method, the feeder line for supplying electric power to a unit-cell array is gradually narrowed in width from the periphery to the middle of the array. As a result, sufficient voltage is supplied to the unit-cells at the middle of the IC and an area of an interconnecting domain for connecting the unit-cells is expanded.
Abstract:
A semiconductor device includes a first layer, a first interconnection layer formed on the first layer, at least one dummy pad formed on the first layer in a vicinity of the first interconnection layer, a second layer which is made of an insulator material and is formed on the first layer so as to cover the first interconnection layer and the dummy pad, and a second interconnection layer formed on the second layer and electrically coupled to the first interconnection layer via a via hole in the second layer. The dummy pad is provided in a vicinity of the via hole so that the second layer is approximately flat at least in the vicinity of the via hole, and the dummy pad is electrically isolated from the first and second interconnection layers.
Abstract:
A testing method tests functions of a semiconductor integrated circuit which has a plurality of blocks each having a main block circuit part and an output part. The testing method comprises the steps of supplying a control signal to the output part of each of the blocks in a normal mode so that each output part outputs an output data of the main block circuit part of a corresponding one of the blocks, supplying the control signal and a test data to the output part of each of the blocks in a test mode so that each output part outputs the test data which is supplied to the main block circuit part of another block, and comparing the output data and the test data in the output part of each of the blocks in the test mode and outputting a failure detection signal which is indicative of a failure in a corresponding one of the blocks when the compared output data and test data do not match in the one block.
Abstract:
In a semiconductor large scale integrated circuit including a plurality of input terminals, sequential circuits and output buffer circuits, and further comprising a noise cut circuit, the semiconductor large scale integrated circuit comprises: a sense amplifier connected to an input terminal of the output buffer circuit for detecting a change of signal level at the input terminal and for generating an edge detection signal; a pluse generator connected to the sense amplifier for outputting a trigger pulse signal having a predetermined pulse width based on a plurality of the edge detection signals; and at least one tri-state circuit connected between the input terminal and the sequential circuit, and having a control terminal for receiving the trigger pulse signal for obtaining a high impedance state at an output line of the tri-state circuit during a predetermined period based on the trigger pulse signal input from the pulse generator.
Abstract:
A logical gate circuit includes an emitter-grounded switching transistor and a pull-up circuit connected to a collector of the switching transistor. The switching transistor is cut OFF when an input signal has a high level and is turned ON when the input signal has a low level. A control MIS transistor is connected to a base of the switching transistor and is turned ON and OFF in response to respective low and high levels, of the output terminal of the switching transistor. An input transistor is connected in series with the control MIS transistor and is turned ON and OFF when the input signal is high and low, respectively. Thus, the logical gate circuit allows current to flow only during a transient signal period.
Abstract:
An integrated circuit device such as a gate array or a master slice LSI device which is formed on a semiconductor chip and which comprises an inner cell array including a plurality of inner cells, an outer cell array including a plurality of outer cells formed around the inner cell array, a power supply portion having one or more outer power supply lines, and a plurality of inner power supply lines connected to the outer power supply lines and formed on the inner cell array. The ratio of the pitch length of the outer cells to the pitch length of the inner power supply lines or the inner cells is determined by the ratio of two integers. In the integrated circuit device, at least one set of an outer cell, and an inner cell which are arranged in a predetermined positional relation, is formed a plurality of times along a side of the semiconductor chip.