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AT77C104B 데이터시트 PDF




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부품번호 AT77C104B 기능
기능 FingerChip Thermal Fingerprint Sweep Sensor
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT77C104B 데이터시트, 핀배열, 회로
www.DataSheet4U.com
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
Operating Temperature Range: -40° C to 85° C
Finger Sweeping Speed from 2 to 20 cm/Second
Low Power: 4.5 mA (Image Acquisition), 1.5 mA (Navigation), <10 µA (Sleep Mode)
Hard Protective Coating (>4 Million Sweeps)
High Protection from Electrostatic Discharge
Small Form Factor Packaging
Description
This document describes the specifications of Atmel’s AT77C104B fingerprint sensor
dedicated to PDA, cellular and smartphone applications. Based on FingerChip ther-
mal technology, the AT77C104B 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.
Applications
• Scrolling, Menu and Item Selection for PDAs, Cellular or Smartphone Applications
• Cellular and Smartphones-based Security (Device Protection, Network and ISP
Access, E-commerce)
• Personal Digital Agenda (PDA) Access
• User Authentication for Private and Confidential Data Access
• Portable Fingerprint Acquisition
FingerChip®
Thermal
Fingerprint
Sweep Sensor,
Hardware
Based,
Navigation and
Click Function,
SPI Interface
AT77C104B
Chip-on-board Package
Sweep your finger
to make life easier
Actual size of sensor
5347B–BIOM–08/04




AT77C104B pdf, 반도체, 판매, 대치품
Specifications
Table 2. Absolute Maximum Ratings
Parameter
Symbol
Power supply voltage
VDDD, VDDA
Front plane
FPL
Digital input
SSS, FSS,
SCK, MOSI
Temperature stabilization
power
TPP
Storage temperature
Tstg
Lead temperature
(soldering 10 seconds)
Tleads
Comments
Do not solder
Value
-0.5 to 4.6V
GND to VDD +0.5V
GND to VDD +0.5V
GND to VDD +0.5V
-50 to +100° C
Forbidden
Note: Stresses beyond those listed
under “Absolute Maximum
Ratings” may cause permanent
damage to the device. These are
stress ratings only and functional
operation of the device at these or
any other conditions beyond those
indicated in the operational
sections of this specification is not
implied. Exposure to absolute
maximum rating conditions for
extended periods may affect device
reliability.
Table 3. Recommended Conditions of Use
Parameter
Symbol
Positive supply voltage
Front plane
Digital input voltage
Digital output voltage
Digital load
Operating temperature range
Maximum current on TPP
VDD
FPL
CL
Tamb
ITPP
Comments
2.5 ±5%
3.3 ±10%
Must be grounded
Domestic "D" grade
Use of TPP is optional
Min Typ
2.5
2.3
3.3
GND
CMOS levels
CMOS levels
20
-40 to +85
0-
Max
3.6
50
60
Unit
V
V
V
V
pF
°C
mA
Table 4. Resistance
Parameter
ESD
On pins HBM (Human Body Model) CMOS I/O
On die surface (zap gun) air discharge
Mechanical Abrasion
Number of cycles without lubricant
Multiply by a factor of 20 for correlation with a real finger
Chemical Resistance
Cleaning agent, acid, grease, alcohol, diluted acetone
Min Value
2 kV
±16 kV
Standard Method
MIL-STD-883 method 3015.7
NF EN 6100-4-2
200 000
MIL E 12397B
4 hours
Internal method
4 AT77C104B
5347B–BIOM–08/04

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AT77C104B 전자부품, 판매, 대치품
AT77C104B
Switching Performances
The following characteristics are applicable to the operating temperature -40° C Ta +85° C.
Typical conditions are: nominal value; Tamb = 25° C; FSCK = 12 MHz; duty cycle = 50%; CLOAD 120 pF in digital output unless
specified otherwise.
Table 10. Timings
Parameter
Symbol
Clock frequency acquisition
mode
FACQ
Clock frequency navigation
mode and chip control
FCTRL
Duty cycle (clock SCK)
DC
Reset setup time
TRSTSU
Slave select setup time
TSSSU
Slave select hold time
TSSHD
Note: 1. TSCK = 1/FCTRL (clock period)
Test Level
IV
I
IV
I
I
I
Min
8
-
20
½ TSCK(1)
½ TSCK(1)
½ TSCK(1)
Typ
50
Max Unit
16 MHz
0.2 MHz
80 %
ns
ns
ns
Table 11. 3.3V ±10% Power Supply
Parameter
Symbol
Data in setup time
Data in hold time
Data out valid
Data out disable time from SS
high
TSU
TH
TV
TDIS
IRQ hold time
Note: All power supplies = +3.3V
TIRQ
Test Level
IV
IV
I
IV
IV
Min
Typ Max Unit
3 ns
1 ns
30 ns
3.8 ns
3 µs
Table 12. 2.5V ±5% Power Supply
Parameter
Symbol
Data in setup time
Data in hold time
Data out valid
Data out disable time from SS
high
TSU
TH
TV
TDIS
IRQ hold time
Note: All power supplies = +2.5V
TIRQ
Test Level
IV
IV
I
IV
IV
Min
Typ Max Unit
3 ns
1 ns
30 ns
3.8 ns
3 µs
5347B–BIOM–08/04
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관련 데이터시트

부품번호상세설명 및 기능제조사
AT77C104B

FingerChip Thermal Fingerprint Sweep Sensor

ATMEL Corporation
ATMEL Corporation

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