IEEE Solid-States Circuits Magazine - Fall 2021 - 41

784 Inputs
28 × 28 × 1
64 Nodes 64 Nodes 10 Nodes 10 Nodes 10 Output
Accuracy of MNIST
1
9
MACU
Input
Layer
Fully
Connected
Layer 1
Relu
Layer
(a)
Clean Speech
1
0.5
-0.5
-1
01 23
Noisy Speech
1
0.5
-0.5
-1
01 23
Denoised Speech
1
0.5
-0.5
-1
01 23
Time (s)
(c)
Original Gray Image
Standard Edge Detection Edge Detection by MACU
2.5
2
1.5
1
0.5
0123 4
Frequency (KHz)
2.5
2
1.5
1
0.5
0123 4
Denoised Speech
-50
-100
-150
2.5
2
1.5
1
0.5
01 2
Noisy Speech
-50
-100
-150
34
Clean Speech
-50
-100
-150
Fully
Connected
Layer 2
Softmax
Layer
Output
Layer
0.8
0.6
0.4
0.2
6
7
8
ADC Resolution
9 2
(b)
3
4
Standard Accuracy
MACUs Accuracy
5
6
Weight Resolution
(d)
FIGURE 19: The MACUs implementation. (a) A five-layer neural network for the Modified National Institute of Standards and Technology
(MNIST) data set classification, (b) testing accuracy of the data set, (c) speech denoising with MACUs, and (d) edge detection with MACUs [36].
ReLu: rectified linear unit; ADC: analog-to-digital converter.
IEEE SOLID-STATE CIRCUITS MAGAZINE
FALL 2021
41
Time (s)
Time (s)
Time (s)
Accuracy
Power/Frequency (dB/Hz) Power/Frequency (dB/Hz) Power/Frequency (dB/Hz)

IEEE Solid-States Circuits Magazine - Fall 2021

Table of Contents for the Digital Edition of IEEE Solid-States Circuits Magazine - Fall 2021

Contents
IEEE Solid-States Circuits Magazine - Fall 2021 - Cover1
IEEE Solid-States Circuits Magazine - Fall 2021 - Cover2
IEEE Solid-States Circuits Magazine - Fall 2021 - Contents
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IEEE Solid-States Circuits Magazine - Fall 2021 - Cover3
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