Resistance compensation device and method for storage chip, and storage chip
AssigneeZhejiang Hikstor Technology Co., Ltd.
InventorWei Fang
Life of this patent
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Abstract
A compensation resistor is gated by arranging a compensation circuit switch to be gated in synchronization with the reception of a bit cell, and corresponding resistance compensation is performed on the bit cell which is gated by a total resistance value of a pre-designed compensation resistor array structure, and compensation resistor traces are sequentially connected in series into two metal wires.
Claims16
A resistance compensation device for a storage chip, wherein the resistance compensation device has a compensation resistor array structure composed of a plurality of compensation resistors and a plurality of compensation circuit switches;
- the compensation resistor array structure is arranged between a bit cell power output end of the storage chip and a preset power supply end of a bit cell array of the storage chip;
- wherein the plurality of the compensation circuit switches are arranged corresponding to bit cells in the bit cell array;
- and
- the compensation circuit switch and the bit cell correspondingly are synchronously gated and synchronously turned off, so as to synchronously change a total resistance value of the compensation resistor array structure to perform corresponding resistance compensation on the bit cell which is gated,
- wherein compensation resistor traces are sequentially connected in series into two or more metal wires;
- and the metal wires are connected to each other through the plurality of the compensation circuit switches,
- wherein the number of the metal wires is specifically two.
A storage chip, comprising a resistance compensation device, wherein the resistance compensation device has a compensation resistor array structure composed of a plurality of compensation resistors and a plurality of compensation circuit switches;
- the compensation resistor array structure is arranged between a bit cell power output end of the storage chip and a preset power supply end of a bit cell array of the storage chip;
- wherein the plurality of the compensation circuit switches are arranged corresponding to bit cells in the bit cell array;
- and
- the compensation circuit switch and the bit cell correspondingly are synchronously gated and synchronously turned off, so as to synchronously change a total resistance value of the compensation resistor array structure to perform corresponding resistance compensation on the bit cell which is gated,
- wherein compensation resistor traces are sequentially connected in series into two or more metal wires;
- and the metal wires are connected to each other through the plurality of the compensation circuit switches,
- wherein the number of the metal wires is specifically two.
A resistance compensation method for a storage chip, applied to a compensation resistor array structure composed of a plurality of compensation resistors and a plurality of compensation circuit switches, the compensation resistor array structure being arranged between a bit cell power output end of the storage chip and a preset power supply end of a bit cell array of the storage chip, the plurality of the compensation circuit switches being arranged corresponding to bit cells in the bit cell array, and the resistance compensation method comprising:
- in a case that a first control signal of the bit cell is generated, generating a second control signal of the compensation circuit switch corresponding to the bit cell;
- and
- synchronously sending the first control signal and the second control signal to perform corresponding resistance compensation on the bit cell which is gated by a total resistance value of the compensation resistor array structure controlled by the second control signal,
- wherein compensation resistor traces are sequentially connected in series into two or more metal wires;
- and the metal wires are connected to each other through the plurality of the compensation circuit switches,
- wherein the number of the metal wires is specifically two.
Dependencies are inferred from the claim text.