Patent ID: 11860226
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The method according to claim 5, wherein during acquiring the time parameters of each of DUTs, first time parameters of a first DUT in a plurality of DUTs are acquired comprises:
determining that the signal source sends the test signal and a first TCK signal of the TCK signals with the plurality of frequencies to the first DUT;
according to the second preset rule, sequentially setting a TIS of the first DUT to the plurality of TISs;
controlling the first DUT to receive the test signal with the first TCK signal at a first TIS of the plurality of TISs; and
determining, based on whether the first DUT successfully receives the test signal, identification information, corresponding to the first TIS and the first TCK signal, in the first time parameters.