Patent ID: 11899064
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. A device, comprising:
a first die; and
a second die,
wherein each of the first and second dies comprises:
a plurality of latches; and
a plurality of multiplexers, each multiplexer connected to a respective one of the plurality of latches,

wherein respective ones of the plurality of multiplexers in the first die are connected to a subset of latches within the plurality of latches in one of the first die and the second die,
wherein a scan path comprises a closed loop comprising each of said plurality of latches in the first and second dies, and wherein the scan path goes consecutively through a first latch in the first die, a second latch in the second die, a third latch in the second die, and a fourth latch in the first die,
wherein the first latch and the fourth latch are adjacent to each other in the first die,
wherein the second latch and the third latch are adjacent to each other in the second die.