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FCD4B14CC Folha de dados(PDF) 4 Page - ATMEL Corporation |
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FCD4B14CC Folha de dados(HTML) 4 Page - ATMEL Corporation |
4 / 20 page 4 FCD4B14 1962C–01/02 Description FCD4B14 is part of the FingerChip Atmel monolithic fingerprint sensor family for which no optics, no prism and no light source are required. FCD4B14 is a single chip, high performance, low cost sensor based on temperature physical effects for fingerprint sensing. FCD4B14 has a linear shape, allowing for the capture of a fingerprint image by sweep- ing the finger across the sensing area. After capturing several images, Atmel proprietary software can reconstruct a full 8-bit fingerprint image, if needed. FCD4B14 has a small surface combined with CMOS technology, and a Chip-On-Board or ceramic dual-in-line package assembly. These facts contribute to a low-cost device. FCD4B14 delivers a programmable number of images per second, while an integrated Analog to Digital Converter delivers a digital signal adapted to interfaces such as an EPP parallel port, USB microcontroller or directly to micro-processors. Thus, no frame grabber or glue interface is necessary to send the frames. These facts make FCD4B14 an easy device to include in any system for identification or verification applications. Note: 1. Absolute maximum ratings are limiting values, to be applied individually, while other parameters are within specified operat- ing conditions. Long exposure to maximum ratings may affect device reliability. Table 3. Absolute Maximum Ratings(1) Parameter Symbol Comments Value Unit Positive supply voltage V CC GND to 6.5 V Temperature stabilization power TPP GND to 6.5 V Front plane FPL GND to VCC V Digital input voltage RST PCLK GND to VCC V Storage temperature Tstg -50 to +85 °C Lead temperature (soldering, 10 seconds.) T leads Do not solder DIP: socket mandatory Forbidden °C Table 4. Recommended Conditions Of Use Parameter Symbol Comments Min Typ Max Unit Positive supply voltage VCC 3V 5V 5.5V V Front plane FPL Must be grounded GND V Digital input voltage CMOS levels V Digital output voltage CMOS levels V Digital load C L 50 pF Analog load CA R A Not connected pF k Ω Operating temperature range Tamb Civil: “C” grade 0 to +70 °C Maximum current on TPP ITPP 0 100 mA |
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