Neural network crossbar stack
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 10, 2024
Grant Date -
Nov 10, 2022
app pub date -
May 23, 2022
filing date -
May 23, 2022
priority date (Note) -
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Abstract
A circuit for performing neural network computations for a neural network is described. The circuit includes plurality of neural network layers each including a crossbar arrays. The plurality of crossbar arrays are formed in a common substrate in a stacked configuration. Each crossbar array includes a set of crosspoint devices. A respective electrical property of each of the crosspoint devices is adjustable to represent a weight value that is stored for each respective crosspoint device. A processing unit is configured to adjust the respective electrical properties of each of the crosspoint devices by pre-loading each of the crosspoint devices with a tuning signal. A value of the turning signal for each crosspoint device is a function of the weight value represented by each respective crosspoint device.
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