Fingerprint Sensor. AT77C101B Datasheet

AT77C101B Sensor. Datasheet pdf. Equivalent


ATMEL Corporation AT77C101B
www.DataSheet4U.com
Features
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 kV Air Discharge
Power Consumption: 20 mW 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
PDA (Access Control, Data Protection)
Cellular Phones, SmartPhones (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. FingerChipPackages
Chip-on-Board Package
with connector
Chip-on-Board Package
(COB)
Thermal
Fingerprint
Sensor with
0.4 mm x 14 mm
(0.02" x 0.55")
Sensing Area
and
Digital Output
(On-chip ADC)
AT77C101B
FingerChip
Actual size
Sweep your finger
to make life easier
Rev. 2150B–BIOM–09/03
1


AT77C101B Datasheet
Recommendation AT77C101B Datasheet
Part AT77C101B
Description Thermal Fingerprint Sensor
Feature AT77C101B; www.DataSheet4U.com Features • • • • • • • • • • • • Sensitive Layer Over a 0.8 µm CMOS Array Image.
Manufacture ATMEL Corporation
Datasheet
Download AT77C101B Datasheet




ATMEL Corporation AT77C101B
Table 1. Pin Description for Chip-on-Board Package: AT77C101B-CB01Ι
Pin Number
Name
Type
1
GND
GND
2 AVE Analog output
3
AVO
Analog output
4 TPP Power
5 TPE Digital input
6
VCC
Power
7
GND
GND
8
RST
Digital input
9
PCLK
Digital input
10 OE Digital input
11
ACKN
Digital output
12 De0 Digital output
13 Do0 Digital output
14 De1 Digital output
15 Do1 Digital output
16 De2 Digital output
17 Do2 Digital output
18 De3 Digital output
19 Do3 Digital output
20 FPL GND
21
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
20
GND
21
2 AT77C101B FingerChip
2150B–BIOM–09/03



ATMEL Corporation AT77C101B
AT77C101B FingerChip
Table 2. Pin Description for COB with Connector Package: AT77C101B-CB02Ι(1)
Pin Number
Name
Type
1 FPL GND
2 Not connected
3 Not connected
4 DE3 Digital output
5
DO3
Digital output
6 DE2 Digital output
7
DO2
Digital output
8 DE1 Digital output
9
DO1
Digital output
10 DE0 Digital output
11
DO0
Digital output
12 AVE Analog output
13
AVO
Analog output
14 TPP Power
15 TPE Digital input
16
VCC
Power
17
GND
GND
18
RST
Digital input
19
PCLK
Digital input
20 OE Digital input
21
ACKN
Digital output
Note: 1. Ref Connector: FH18-21S-0.3SHW (HIROSE).
2150B–BIOM–09/03
3







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