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AS3909 Datasheet(PDF) 7 Page - ams AG

No. de pieza AS3909
Descripción Electrónicos  13.56 MHz RFID Reader IC, ISO-14443 A/B
PDF  77 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS3909 Datasheet(HTML) 7 Page - ams AG

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ams Datasheet, Confidential: 2013-Oct [3-02]
AS3909/AS3910 – 7
El ec trical Charac t e ristics
All limits are guaranteed. The parameters with min and max
values are guaranteed with production tests or SQC (Statistical
Quality Control) methods.
Operating Conditions
Figure 7:
Operating Conditions
DC / AC Characteristics For Digital Inputs and
Outputs
Figure 8:
DC / AC Characteristics For Digital Inputs and Outputs
Symbol
Parameter
Comments
Min
Max
Unit
VDD
Positive supply
voltage
In case power supply is lower than 2.6V, PSSR
can not be improved using internal regulators
(minimum regulated voltage is 2.4V)
2.4
3.6
V
VSS
Negative supply
voltage
00V
TAMB
Ambient
Temperature
-40
85
ºC
VTRIM
Input pin voltage
TRIM pins
30
V
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
CMOS Inputs: Valid for input pins EN, SEN, SDATAI, SCLK and TEST
VIH
High level input voltage
0.7 *
VDD
V
VIL
Low level input voltage
0.3 *
VDD
V
ILEAK
Input leakage current
2
μA
RPD
Pull-down resistance pad
EN
100
kΩ
CMOS Outputs: Valid for output pins SDATAO, INTR and MCU_CLK
VOH
High level output voltage
ISOURCE = 1mA
0.9 *
VDD
V
VOL
Low level output voltage
ISINK = 1mA
0.1 *
VDD
V
CL
Capacitive load
50
pF
Electrical Characteristics



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