3.
    发明专利
    未知

    公开(公告)号:DE102004022327A1

    公开(公告)日:2005-12-01

    申请号:DE102004022327

    申请日:2004-05-06

    Abstract: An integrated semiconductor memory includes a memory cell array with at least one memory cell, in which a data value is stored, and an evaluation circuit with a counter. During a test of the integrated semiconductor memory, a counter reading of the counter is altered if the data value stored in the memory cell deviates from a desired value. A threshold value is predefined by a control circuit. A programming circuit compares the threshold value on the input side with the instantaneous counter reading of the counter. If the counter reading of the counter exceeds the threshold value, a programming element changes from a first programming state to a second programming state. After the conclusion of the test, the state of the programming element is read out via an output terminal. This scheme makes it possible to deduce a possible cause of failure of the integrated semiconductor memory.

    4.
    发明专利
    未知

    公开(公告)号:DE10358038B4

    公开(公告)日:2006-05-18

    申请号:DE10358038

    申请日:2003-12-11

    Abstract: An integrated circuit includes a programming circuit ( 10 ) for generating programming signals (PS 1 , . . . , PS 4 ) with a first input terminal (E 1 ) for applying a control voltage (ES), a second input terminal (E 2 ) for applying a reference voltage (Vref), a storage circuit ( 30 ) with programmable switches ( 35, . . . , 38 ) and output terminals (A 1 , . . . , A 4 ). The programming circuit in each case generates a programming signal (PS 1 , . . . , PS 4 ) when the control voltage (ES) exceeds a predefined threshold voltage formed from the reference voltage. The number of programming signals (PS 1 , . . . , PS 4 ) is dependent on the magnitude of the threshold voltage exceeded by the control voltage (ES). The programming signals are used for programming the programmable switches ( 35, . . . , 38 ). The programming state of the programmable switches can be read out via the output terminals (A 1 , . . . , A 4 ) of the integrated circuit. The integrated circuit enables the storage of external operating parameters of the integrated circuit.

    5.
    发明专利
    未知

    公开(公告)号:DE102004022327B4

    公开(公告)日:2006-04-27

    申请号:DE102004022327

    申请日:2004-05-06

    Abstract: An integrated semiconductor memory includes a memory cell array with at least one memory cell, in which a data value is stored, and an evaluation circuit with a counter. During a test of the integrated semiconductor memory, a counter reading of the counter is altered if the data value stored in the memory cell deviates from a desired value. A threshold value is predefined by a control circuit. A programming circuit compares the threshold value on the input side with the instantaneous counter reading of the counter. If the counter reading of the counter exceeds the threshold value, a programming element changes from a first programming state to a second programming state. After the conclusion of the test, the state of the programming element is read out via an output terminal. This scheme makes it possible to deduce a possible cause of failure of the integrated semiconductor memory.

    7.
    发明专利
    未知

    公开(公告)号:DE10358038A1

    公开(公告)日:2005-07-21

    申请号:DE10358038

    申请日:2003-12-11

    Abstract: An integrated circuit includes a programming circuit ( 10 ) for generating programming signals (PS 1 , . . . , PS 4 ) with a first input terminal (E 1 ) for applying a control voltage (ES), a second input terminal (E 2 ) for applying a reference voltage (Vref), a storage circuit ( 30 ) with programmable switches ( 35, . . . , 38 ) and output terminals (A 1 , . . . , A 4 ). The programming circuit in each case generates a programming signal (PS 1 , . . . , PS 4 ) when the control voltage (ES) exceeds a predefined threshold voltage formed from the reference voltage. The number of programming signals (PS 1 , . . . , PS 4 ) is dependent on the magnitude of the threshold voltage exceeded by the control voltage (ES). The programming signals are used for programming the programmable switches ( 35, . . . , 38 ). The programming state of the programmable switches can be read out via the output terminals (A 1 , . . . , A 4 ) of the integrated circuit. The integrated circuit enables the storage of external operating parameters of the integrated circuit.

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