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FCD4B14 Datasheet(PDF) 4 Page - ATMEL Corporation

Part No. FCD4B14
Description  Thermal Fingerprint Sensor with 0.4 mm x 14 mm Sensing Area and Digital Output
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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FCD4B14 Datasheet(HTML) 4 Page - ATMEL Corporation

 
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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
Operating temperature range
Tamb
Civil: “C” grade
0 to +70
°C
Maximum current on TPP
ITPP
0
100
mA


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