Semiconductor storage apparatus and printing apparatus
AssigneeCanon Kabushiki Kaisha
InventorTakaaki Saito
Life of this patent
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Abstract
A semiconductor storage apparatus comprising a memory unit including one or more memory devices, the semiconductor storage apparatus further comprising a first resistance connected in series to a power line that supplies a writing voltage to the memory unit, a second resistance connected in parallel to the first resistance via a drive element, and a control unit configured to control the drive element to be driven into conduction to allow current to flow through the first resistance and the second resistance when a memory device of the one or more memory devices of the memory unit is selected.
Claims14
A semiconductor storage apparatus comprising a memory unit including one or more memory devices, the semiconductor storage apparatus further comprising:
- a first resistance connected in series to a power line that supplies a writing voltage to the memory unit;
- a second resistance connected in parallel to the first resistance via a drive element;
- and
- a control unit configured to control the drive element to be driven into conduction to allow current to flow through the first resistance and the second resistance when a memory device of the one or more memory devices of the memory unit is selected,
- wherein the one or more memory devices are anti-fuse elements, and
- the first resistance is connected in series to the one or more memory devices.
A semiconductor storage apparatus comprising a plurality of memory units each including one or more memory devices, the semiconductor storage apparatus further comprising:
- a plurality of first resistances connected in series to a power line that supplies a writing voltage to each of the plurality of memory units;
- a plurality of drive elements connecting respective memory unit sides of the plurality of first resistances;
- and
- a control unit configured to control the plurality of drive elements to be driven into conduction when a memory device of the one or more memory devices of one of the plurality of memory units is selected,
- wherein the one or more memory devices are anti-fuse elements, and
- the plurality of first resistances are connected in series to the one or more memory devices.
A printing apparatus comprising a semiconductor storage apparatus including a memory unit including one or more memory devices, the printing apparatus further comprising:
- a first resistance connected in series to a power line that supplies a writing voltage of the memory unit;
- a second resistance connected in parallel to the first resistance via a drive element;
- and
- a control unit configured to control the drive element to be driven into conduction to allow current to flow through the first resistance and the second resistance when a memory device of the one or more memory devices of the memory unit is selected,
- wherein the one or more memory devices are anti-fuse elements, and
- the first resistance is connected in series to the one or more memory devices.
A printing apparatus comprising a semiconductor storage apparatus including a plurality of memory units each including one or more memory devices, the printing apparatus further comprising:
- a plurality of first resistances connected in series to a power line that supplies a writing voltage to each of the plurality of memory units;
- a plurality of drive elements connecting respective memory unit sides of the plurality of first resistances;
- and
- a control unit configured to control the plurality of drive elements to be driven into conduction when a memory device of the one or more memory devices of one of the plurality of memory units is selected,
- wherein the one or more memory devices are anti-fuse elements, and
- the plurality of first resistances are connected in series to the one or more memory devices.
Dependencies are inferred from the claim text.