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Apparatus and method for implementing a bank interlock scheme and related test mode for multi-bank memory devices
Apparatus and method for implementing a bank interlock scheme and related test mode for multi-bank memory devices
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机译:用于实现多存储体存储装置的存储体互锁方案和相关测试模式的设备和方法
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摘要
Testing of a multibank memory device having a plurality of memory banks which includes activating two or more of the plurality of memory banks for participation in the test; selecting at least one common memory address corresponding to a memory cell within each activated bank; simultaneously writing test data into the selected memory cell of each activated bank;simultaneously reading the test data previously written into the selected memory cell of each activated bank; and comparing the test data read from each activated bank with the test data from each other activated bank and if a match is determined to exist, then indicating a pass condition, else indicating a fail condition.
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