AT77C105A Datasheet | Atmel

Features - - - - - - - - - - - - - - - Thermal Sensitive Layer Over a 0.35 µm CMOS Array Image Zone: 0.4 x 11.6 mm Image Array: 8 × 232 = 1856 Pixels Pixel Pitch: 50 × 50 µm = 500 dpi Resolution On-chip 8-bit Analog to Digital Converter Serial Peripheral Interface (SPI) - 2 Modes: - Fast Mode at 16 Mbps Max for Imaging - Slow Mode at 200 kbps Max for Navigation and Control Die Size: 1.5 × 15 mm Operating Voltage: 2.3 to 3.6V I/O Voltage: 1.65 to 3.6V Operating Temperature Range: -40°C to 85°C Finger Sweeping Speed from 2 to 20 cm/Second Low Power: 4.5 m A (Image Acquisition), 1.5 m A (Navigation), <10 µA (Sleep Mode) Hard Protective Coating (>4 Million Sweeps) High Protection from Electrostatic Discharge Small Form Factor Packaging Description Atmel’s AT77C105A fingerprint sensor is dedicated to PDA, cellular and smartphone applications. Based on Finger Chip thermal technology, the AT77C105A is a linear sensor that captures fingerprint images by sweeping the finger over the sensing area. This product embeds true hardware-based 8-way navigation and click functions as well, as enabling elimination of mechanical joystick devices. Applications - - - - - Scrolling, Menu and Item Selection for PDAs, Cellular or Smartphone Applications Cellular and Smartphones-based Security (Device Protection, Network and ISP Access, E-merce) Personal Digital Agenda (PDA) Access User Authentication for Private and Confidential Data Access Portable Fingerprint Acquisition Finger Chip® Thermal Fingerprint Sweep Sensor, Hardware Based Navigation and Click Functions, Extended I/O range (1.8-3.3V) AT77C105A Preliminary Sweep your finger to make life easier Chip-on-board Package Actual size of sensor 5419A- BIOM- 01/05 Table 1. Pin Description for Chip-on-board Package: AT77C105A-CB08V Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Note: GNDD GNDA VDDD VDDA SCK TESTA MOSI VDD_IO MISO SCANEN SSS IRQ FSS RST FPL G G P P I IO I P O I I O I I I Name Type Description Not connected Not...