Decoder circuit

Details Decoder circuit Decoder circuit

H - Electricity

03

K

328/148

H03K 19/20 (2006.01) G11C 8/00 (2006.01) G11C 8/06 (2006.01) G11C 8/10 (2006.01) G11C 11/411 (2006.01) G11C 11/415 (2006.01) H03K 5/15 (2006.01) H03K 19/086 (2006.01) H03K 19/177 (2006.01)

Patent

CA 1157533

ABSTRACT OF THE DISCLOSURE A decoder circuit comprises input gates, a logic circuit for generating an output according to input signals, an output gate for driving a word line, and a current switching circuit for activating the output gate according to the output of the logic circuit. The current switching circuit comprises a first transistor and a constant current source connected in series, The voltage at the collector of this resistor is maintained constant by two further transistors connected to a voltage clamping circuit. The circuit is advantageous over known decoder circuits in that it provides a quicker response time for switching between high and low states without increasing power con- sumption.

367335

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