| 摘要 |
A non-volatile semiconductor device includes a bus line; a plurality of bit lines coupled to the bus line; a cell transistor, connected between each of the bit lines and a word line, for storing electrical information; an output circuit, coupled to the bus line, for outputting a signal corresponding to the electrical information stored in the cell transistor under a condition in which the bus line has been charged to a predetermined voltage level; a constant voltage circuit coupled to the bus line, the constant voltage circuit generating a voltage having an approximately constant level when a current flows through the constant voltage circuit; and a current supply circuit, coupled to the bus line, for supplying a current to the constant voltage circuit via the bus line in accordance with a control signal supplied from an external unit, whereby the bus line is charged to a predetermined voltage level by the voltage generated by the constant voltage circuit.
|
