Semiconductor device, circuit having the device, and correlation calculation apparatus, signal converter, and signal processing system utilizing the circuit

A semiconductor comprising a semiconductor device comprising capacitor means having plural first terminals and plural second terminals, and a differential input/output type sense amplifier, wherein first terminals of said capacitor means are connected to multiple input terminals via first switch means which can select a positive or negative logic of an input signal, the second terminals of said capacitor means are commonly connected to first differential input means of said differential input/output type sense amplifier via second switch means, and to second differential input means of said differential input/output type sense amplifier via third switch means, said second differential input means having a polarity opposite to a polarity of said first differential input means,

• wherein, when a minimum capacitance of the capacitances of said capacitor means is represented by C, a total of capacitances of said commonly connected capacitor means is substantially equal to an odd positive integer multiplied by C.

A correlation calculation apparatus for performing a correlation arithmetic operation using a semiconductor circuit comprising first and second semiconductor devices, each having a differential input/output type sense amplifier and capacitor means which has first terminals and second terminals, connected respectively to input terminals through a first switch means which can select positive or negative logic of an input signal, and said second terminals being commonly connected through second switch means to a first different input means of said differential input/output type sense amplifier, and said second terminals of said capacitor means being connected through a third switch means to a second differential input means of a polarity opposite to the first differential input means of said differential input/output type sense amplifier, wherein said first and second semiconductor devices are connected so that an inversion output from said first semiconductor device is input to said second semiconductor device.

A signal converter which comprises a semiconductor device comprising capacitor means having plural first terminals and plural second terminals, and a differential input/output type sense amplifier, wherein first terminals of said capacitor means are connected to multiple input terminals via first switch means which can select a positive or negative logic of an input signal, the second terminals of said capacitor means are commonly connected to first differential input means of said differential input/output type sense amplifier via second switch means, and to second differential input means of said differential input/output type sense amplifier via third switch means, said second differential input means having a polarity opposite to a polarity of said first differential input means,

• wherein an analog signal is input to said semiconductor device, and a digital signal is output corresponding to the analog signal.

A signal converter which comprises a semiconductor device comprising capacitor means having plural first terminals and plural second terminals, and a differential input/output type sense amplifier, wherein first terminals of said capacitor means are connected to multiple input terminals via first switch means which can select a positive or negative logic of an input signal, the second terminals of said capacitor means are commonly connected to first differential input means of said differential input/output type sense amplifier via second switch means, and to second differential input means of said differential input/output type sense amplifier via third switch means, said second differential input means having a polarity opposite to a polarity of said first differential input means,

• wherein a digital signal is input to the semiconductor device, and an analog signal is output corresponding to the digital signal.

A signal processing system comprising a correlation calculation apparatus for performing a correlation arithmetic operation using a semiconductor circuit which comprises first and second semiconductor devices, each having a differential input/output type sense amplifier and capacitor means which has first terminals and second terminals, connected respectively to input terminals through a first switch means which can select positive or negative logic of an input signal, and said second terminals being commonly connected through second switch means to a first differential input means of said differential input/output type sense amplifier, and said second terminals of said capacitor means being connected through a third switch means to a second differential input means of a polarity opposite to the first differential input means of said differential input/output type sense amplifier, wherein said first and second semiconductor devices are connected so that an inversion output from said first semiconductor device is input to said second semiconductor device.

A signal processing system comprising a signal converter which comprises a semiconductor device comprising capacitor means having plural first terminals and plural second terminals, and a differential input/output type sense amplifier, wherein first terminals of said capacitor means are connected to multiple input terminals via first switch means which can select a positive or negative logic of an input signal, the second terminals of said capacitor means are commonly connected to first differential input means of said differential input/output type sense amplifier via second switch means, and to second differential input means of said differential input/output type sense amplifier via third switch means, said second differential input means having a polarity opposite to a polarity of said first differential input means.

• wherein an analog signal is input to said semiconductor device, and a digital signal is output corresponding to the analog signal.

A signal processing system comprising a signal converter which comprises a semiconductor device comprising capacitor means having plural first terminals and plural second terminals, and a differential input/output type sense amplifier, wherein first terminals of said capacitor means are connected to multiple input terminals via first switch means which can select a positive or negative logic of an input signal, the second terminals of said capacitor means are commonly connected to first differential input means of said differential input/output type sense amplifier via second switch means, and to second differential input means of said differential input/output type sense amplifier via third switch means, said second differential input means having a polarity opposite to a polarity of said first differential input means,

• wherein a digital signal is input to the semiconductor device, and an analog signal is output corresponding to the digital signal.

A semiconductor apparatus comprising first and second semiconductor devices, each having a differential input/output type sense amplified and capacitor means which has first terminals and second terminals, connected respectively to input terminals through a first switch means which can select positive or negative logic of an input signal, and said second terminals being commonly connected through second switch means to a first differential input means of said differential input/output type sense amplifier, and said second terminals of said capacitor means also being connected through a third switch means to a second differential input means of a polarity opposite to the first differential input means of said differential input/output type sense amplifier, wherein said first and second semiconductor devices are connected so that an inversion output from said first semiconductor device is input to said second semiconductor device.