Current-voltage converter circuit and its control method

Details Current-voltage converter circuit and its control method Current-voltage converter circuit and its control method

2006-05-16

2006-05-16

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S103000

Reexamination Certificate

active

07046043

ABSTRACT:
An input current flowing into a current-voltage conversion circuit (1) is converted to a voltage value at an output terminal SAIN and, then, a differential amplification circuit (5) amplifies and outputs a differential voltage between the voltage value and the reference voltage Vref. PMOS and NMOS transistors T1, T2are connected between the output terminal SAIN and the power-supply voltage VCC. After the output terminal SAIN is precharged to the power-supply voltage VCC by making the transistors conductive, the current-voltage conversion operation is performed by making a voltage drop corresponding to the input current. The precharge operation precharges the output terminal SAIN up to the power-supply voltage VCC and supplies precharge to a common data line N3and bit lines.

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