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. 2018 Jan 24;65(8):2431–2442. doi: 10.1109/TCSI.2018.2792219

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1549-8328 © 2018. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see http://creativecommons.org/licenses/by/4.0/

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Fig. 10. — (a) Layout diagram of the optrode. (b) The primary circuitry in the head: six I/O pads are used for power supply and digital & analog I/O, with custom-designed electrostatic discharge (ESD) protection circuitry. The 18 local control blocks consume die area in total. The size of the 18-bit decoder is . (c) The layout of integrated local stimulation and diagnostic circuitry. A guard ring is utilized to insulate the analog and digital parts. The area of this local block is only 0.0035 mm².

Inline graphic — (a) Layout diagram of the optrode. (b) The primary circuitry in the head: six I/O pads are used for power supply and digital & analog I/O, with custom-designed electrostatic discharge (ESD) protection circuitry. The 18 local control blocks consume die area in total. The size of the 18-bit decoder is . (c) The layout of integrated local stimulation and diagnostic circuitry. A guard ring is utilized to insulate the analog and digital parts. The area of this local block is only 0.0035 mm².