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US 7,881,003 B1Granted
Write driver system for data storage systems
AssigneeMarvell International Ltd.
InventorsFarbod Aram, Pantas Sutardja
Life of this patent
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Abstract
A write driver system includes a logic circuit including first switching devices which receive input write signals and generate control signals. A plurality of predriver circuits includes second switching devices and generates drive signals based on the control signals. A write drive circuit includes third switching devices and generates write drive signals based on the drive signals. The third switching devices have higher threshold voltages than the first and second switching devices.
Claims17
A write driver system, comprising:
- a logic circuit including first switching devices, wherein the logic circuit is configured to (i) receive input write signals and (ii) generate control signals based on the input write signals;
- a plurality of predriver circuits including second switching devices, wherein the plurality of predriver circuits is configured to generate drive signals based on the control signals;
- and
- a write drive circuit including third switching devices,
- wherein the write drive circuit is configured to generate write drive signals based on the drive signals generated by the plurality of predriver circuits, and
- wherein the third switching devices have higher threshold voltages than (i) the first switching devices and (ii) the second switching devices.
3 more elements
Dependencies are inferred from the claim text.