Simulation domain near memory computing array structure based on magnetic random access memory
A technology of random access memory and computing array, which is applied in the circuit design of multi-bit multiplication and accumulation calculation based on memory, and in the field of near-memory computing array structure in the analog domain, which can solve the problem of low TMR in the near-memory computing in the analog domain and non-standard computing in the analog near-memory computing. Linear and other issues, to achieve the effect of improving the equivalent TMR of MRAM, improving the accuracy of calculation results, and high quantization accuracy
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[0096] An MRAM-based analog domain computing array structure described in the present invention includes a 6T2M storage array, a read-write circuit, a row decoding drive circuit, a data input unit, a pulse generation circuit, a current mirror integration module, an A / D converter, a shift A bit addition circuit, a timing control circuit and a mode selection module.
[0097] Such as figure 1 The analog domain storage computing structure shown includes: 1T1M storage units are arranged in a matrix. In the read-write mode, the storage function equivalent to the 1T1M storage array is realized. In the calculation mode, the calculation function of the 1T1M is realized; the row decoding drive circuit and the read The writing circuit is used for row and column decoding and data reading and writing of the storage array in the read-write mode; the data input unit and the pulse generation circuit realize the input of activation data in the calculation mode, and convert the activation data ...
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