AT77C101B
AT77C101B is Thermal Fingerprint Sensor manufactured by Atmel.
Features
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Sensitive Layer Over a 0.8 µm CMOS Array Image Zone: 0.4 x 14 mm = 0.02" x 0.55" Image Array: 8 x 280 = 2240 pixels Pixel Pitch: 50 µm x 50 µm = 500 dpi Pixel Clock: up to 2 MHz Enabling up to 1780 Frames per Second Die Size: 1.7 x 17.3 mm Operating Voltage: 3 V to 5.5 V Naturally Protected Against ESD: > 16 k V Air Discharge Power Consumption: 20 m W at 3.3 V, 1 MHz, 25°C Operating Temperature Range: -40°C to +85°C Resistant to Abrasion: >1 Million Finger Sweeps Chip-on-Board (COB), Chip-on-Board (COB) with Connector, or 20-lead Ceramic DIP Available for Development, with Specific Protective Layer
Applications
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- PDA (Access Control, Data Protection) Cellular Phones, Smart Phones (Access e-business) Notebook, PC-add on (Access Control, e-business) PIN Code Replacement Automated Teller Machines, POS Building Access Electronic Keys (Cars, Home,...) Portable Fingerprint Imaging for Law Enforcement TV Access
Figure 1. Finger Chip™ Packages
Thermal Fingerprint Sensor with 0.4 mm x 14 mm (0.02" x 0.55") Sensing Area and Digital Output (On-chip ADC) AT77C101B Finger Chip™
Chip-on-Board Package with connector
Chip-on-Board Package (COB)
Sweep your finger to make life easier
Actual size
Rev. 2150B- BIOM- 09/03
Table 1. Pin Description for Chip-on-Board Package: AT77C101B-CB01Ι
Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Name GND AVE AVO TPP TPE VCC GND RST PCLK OE ACKN De0 Do0 De1 Do1 De2 Do2 De3 Do3 FPL GND Type GND Analog output Analog output Power Digital input Power GND Digital input Digital input Digital input Digital output Digital output Digital output Digital output Digital output Digital output Digital output Digital output Digital output GND GND
The die attach is connected to pins 1, 7 and 21, and must be grounded. The FPL pin must be grounded.
GND AVE AVO TPP TPE VCC GND RST PCLK OE ACKN De0 Do0 De1 Do1 De2 Do2 De3 Do3 FPL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19...