Patent ID: 11894043
Assignee: INTEGRATED SILICON SOLUTION INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. A power management circuit in a low-power double data rate memory, which is configured to manage a plurality of power supplies of the low-power double data rate memory according to a first reference voltage, a second reference voltage and a control signal, the power management circuit in the low-power double data rate memory comprising:
a first low dropout regulator having a first transmitting terminal and a second transmitting terminal, wherein the first transmitting terminal is configured to transmit a first voltage of the power supplies, the second transmitting terminal is configured to transmit a second voltage of the power supplies, and the first low dropout regulator adjusts a first voltage difference between the first voltage and the second voltage according to the first reference voltage;
a second low dropout regulator having a third transmitting terminal, a fourth transmitting terminal and a fifth transmitting terminal, wherein the third transmitting terminal is configured to transmit a third voltage of the power supplies, the fourth transmitting terminal is configured to transmit the first voltage of the power supplies, the fifth transmitting terminal is configured to transmit a fourth voltage of the power supplies, and the second low dropout regulator adjusts a second voltage difference between the third voltage and the first voltage according to the second reference voltage and the control signal, and adjusts a third voltage difference between the fourth voltage and the first voltage according to the control signal; and
a power network structure electrically connected to the first low dropout regulator and the second low dropout regulator and having a unit network space, wherein the power network structure is electrically connected to the first transmitting terminal and the second transmitting terminal through a first connecting point and a second connecting point, the second connecting point is separated from the first connecting point by a distance, and the distance is smaller than or equal to the unit network space.