摘要:
A semiconductor integrated circuit device includes a first memory circuit which stores normal data, a second memory circuit which stores determination information used to determine whether a value of the normal data is changed or not, and a determination circuit which determines whether a value of the normal data is changed or not based on the determination information. The capacitance of a data storage node of the second memory circuit is larger than that of a data storage node of the first memory circuit.
摘要:
A semiconductor memory device is disclosed, which includes a memory cell array including memory cells arranged in rows and columns, a word line, a bit line, a row decoder and a column decoder, a sense amplifier provided for each of the columns of the memory cell array, a write latch circuit configured to store externally input data and sets data of one row of the memory cell array in the sense amplifiers in test mode, a read latch circuit configured to store data of one row, which is read from the memory cell array and set in the sense amplifiers in test mode, a first comparison circuit configured to compare the data stored in the write latch circuit and the data stored in the read latch circuit, and a first comparison result register configured to store a comparison result of the first comparison circuit.
摘要:
A semiconductor device includes a relief-subject circuit, a relief circuit, and a plurality of fuse elements. The relief-subject circuit implements a predetermined function. The relief circuit is provided to relieve the relief-subject circuit in order to implement the predetermined function. The plurality of fuse elements are provided corresponding to the relief circuit in order to replace the relief-subject circuit with the relief circuit, thus storing information to specify the relief-subject circuit when this relief-subject circuit is replaced by the relief circuit.
摘要:
A semiconductor memory device is disclosed, which comprises a memory cell array including memory cells arranged in rows and columns, a word line, a bit line, a row decoder and a column decoder, a sense amplifier provided for each of the columns of the memory cell array, a write latch circuit configured to store externally input data and sets data of one row of the memory cell array in the sense amplifiers in test mode, a read latch circuit configured to store data of one row, which is read from the memory cell array and set in the sense amplifiers in test mode, a first comparison circuit configured to compare the data stored in the write latch circuit and the data stored in the read latch circuit, and a first comparison result register configured to store a comparison result of the first comparison circuit.
摘要:
According to one embodiment, a memory cell is configured using a field effect transistor and includes n anti-fuse elements, one ends of which are connected in common. A program voltage selection circuit selects, out of the n anti-fuse elements, an anti-fuse element to which a program voltage is applied. A sense amplifier is provided for the each memory cell and determines, based on data stored in the n anti-fuse elements, three or more values of readout levels.
摘要:
According to one embodiment, a memory cell is configured using a field effect transistor and includes n anti-fuse elements, one ends of which are connected in common. A program voltage selection circuit selects, out of the n anti-fuse elements, an anti-fuse element to which a program voltage is applied. A sense amplifier is provided for the each memory cell and determines, based on data stored in the n anti-fuse elements, three or more values of readout levels.
摘要:
A semiconductor integrated circuit includes a main memory cell array, redundancy memory cell array, memory macro and repair information transferring circuit. A repair information analyzing circuit fetches repair information of transferred unit repair information therein, outputs the repair information to the memory macro having a redundancy repair mechanism and subjects the memory macro to a redundancy repair process by the redundancy repair mechanism of the memory macro in a case where memory identification information of the transferred unit repair information coincides with memory identification information stored in a nonvolatile memory element.
摘要:
A semiconductor integrated circuit includes a main memory cell array, redundancy memory cell array, memory macro and repair information transferring circuit. A repair information analyzing circuit fetches repair information of transferred unit repair information therein, outputs the repair information to the memory macro having a redundancy repair mechanism and subjects the memory macro to a redundancy repair process by the redundancy repair mechanism of the memory macro in a case where memory identification information of the transferred unit repair information coincides with memory identification information stored in a nonvolatile memory element.
摘要:
A fuse device includes a plurality of serially connected fuse elements whose number is n (n is an integer of two or more), a power source connected to one end of a first fuse element that is a top of the n serially connected fuse elements, and a plurality of program control transistors. Each of the program control transistors is connected to each of nodes between the fuse elements, and to an end of the n-th fuse element, respectively.
摘要:
A semiconductor device includes a relief-subject circuit, a relief circuit, and a plurality of fuse elements. The relief-subject circuit implements a predetermined function. The relief circuit is provided to relieve the relief-subject circuit in order to implement the predetermined function. The plurality of fuse elements are provided corresponding to the relief circuit in order to replace the relief-subject circuit with the relief circuit, thus storing information to specify the relief-subject circuit when this relief-subject circuit is replaced by the relief circuit.