用于指纹传感器/识别器的零沉电流施密特触发和窗口柔性计数电路

2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519) Pub Date : 2004-09-13 DOI:10.1109/ISSCC.2004.1332624

H. Morimura, T. Shimannura, K. Fujii, S. Shigematsu, Y. Okazaki, M. Katsuyuki

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引用次数: 14

摘要

像素并行架构，每像素1b ADC，功耗6.4/spl mu/W。像素存储元件和事件计数传感电路控制指纹采集。在0.25/spl mu/m CMOS工艺中构建了224 x 256像素阵列。

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A zero-sink-current Schmitt trigger and window-flexible counting circuit for fingerprint sensor/identifier

Pixel-parallel architecture with 1b ADC per pixel achieves 6.4/spl mu/W dissipation. Pixel memory element and event counting sensing circuitry control fingerprint acquisition. A 224 x 256 pixel array is built in a 0.25/spl mu/m CMOS process.

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2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519)

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