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AT77C102B Datasheet(PDF) 8 Page - ATMEL Corporation

Part No. AT77C102B
Description  Thermal Fingerprint Sensor with 0.4 mm x 14 mm (0.02 x 0.55) Sensing Area and Digital Output (On-chip ADC)
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT77C102B Datasheet(HTML) 8 Page - ATMEL Corporation

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8
5364A–BIOM–09/05
AT77C102B
.
Figure 3-1.
Reset
Table 3-7.
Switching Performances
The following characteristics are applicable to the operating temperature -40
°C ≤ Ta ≤ +85°C
Typical conditions are: nominal voltage; T
amb = 25°C; FPCLK = 1 MHz; Duty cycle = 50%
C
load 120 pF on digital and analog outputs unless otherwise specified
Parameter
Symbol
Test Level
Min
Typ
Max
Unit
Clock frequency
fPCLK
I0.5
1
2
MHz
Clock pulse width (high)
t
HCLK
I
250
ns
Clock pulse width (low)
tLCLK
I
250
ns
Clock setup time (high)/reset falling edge
tSetup
I0
ns
No data change
t
NOOE
IV
100
ns
Reset pulse width high
tHRST
IV
50
ns
Table 3-8.
3.3V ±10% Power Supply
Parameter
Symbol
Test Level
Min
Typ
Max
Unit
Output delay from PCLK to ACKN rising edge
t
PLHACKN
I
145
ns
Output delay from PCLK to ACKN falling edge
tPHLACKN
I
145
ns
Output delay from PCLK to data output Dxi
tPDATA
I
120
ns
Output delay from PCLK to analog output AVx
t
PAVIDEO
I
250
ns
Output delay from OE to data high-Z
tDATAZ
IV
34
ns
Output delay from OE to data output
t
ZDATA
IV
47
ns
tHRST
tSETUP
Reset RST
Clock PCLK


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