Appeal No. 96-2950
Application 08/145,710
claims 1 through 4 and 8 through 11. Claims 6, 7 and 12 through
15 have been canceled. Claim 5 has been objected to for being
dependent upon a rejected claim. Claims 16 and 17 have been
allowed.
The invention relates to output driver circuits that
suppress noise generation for semiconductor integrated circuit
devices.
Independent claim 1 is reproduced as follows:
1. An output driver circuit including a data output
terminal and for providing an output data via said data output
terminal, comprising:
a semiconductor substrate,
a predetermined node formed in said substrate,
current providing means formed in said substrate and
responsive to an applied data signal defining said output data
for providing an output current via said data output terminal,
and
current increasing rate control means formed in said
substrate and responsive to a potential at said predetermined
node for controlling an increasing rate of the output current by
said current providing means,
wherein said current providing means comprises a first field
effect transistor connected between a first power supply
potential and said data output terminal, and said current
increasing rate control means comprises conductance increasing
2
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