AS3910-BQFP AMSCO [austriamicrosystems AG], AS3910-BQFP Datasheet - Page 8
AS3910-BQFP
Manufacturer Part Number
AS3910-BQFP
Description
13.56 MHz RFID Reader IC, ISO-14443 A/B
Manufacturer
AMSCO [austriamicrosystems AG]
Datasheet
1.AS3910-BQFP.pdf
(47 pages)
- Current page: 8 of 47
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AS3910
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
Table 3. Operating Conditions
Table 4. DC / AC Characteristics For Digital Inputs and Outputs
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
CMOS Inputs
Valid for input pins EN, SEN, SDATAI, SCLK and TEST
CMOS Outputs
Valid for output pins SDATAO, INTR and MCU_CLK
SPI Timing
T
T
Symbol
T
T
SENCLKR
SENCLKF
Symbol
I
T
LEAK
V
V
SCLKH
R
SCLKL
V
T
V
R
SENL
C
V
V
OH
AMB
OL
PD
IH
IL
O
DD
L
SS
Pull-down resistance pad EN
SCLK falling to SEN falling
SEN rising to SCLK rising
High level output voltage
Low level output voltage
High level input voltage
Low level input voltage
Input leakage current
SPI reset (SEN low)
Input pin voltage TRIM pins
Output Resistance
Negative supply voltage
Positive supply voltage
Capacitive load
Ambient Temperature
Parameter
SCLK high
SCLK low
Parameter
In case power supply is lower than
using internal regulators (minimum
2.6V, PSSR can not be improved
regulated voltage is 2.4V)
I
first SCLK pulse
last SCLK pulse
SOURCE
Revision 2.3
I
Conditions
SINK
Conditions
= 1mA
= 1mA
0.7 * V
0.9 * V
Min
2.4
-40
0
Min
100
100
100
50
50
DD
DD
Typ
Typ
100
250
0.3 * V
0.1 * V
Max
3.6
85
30
Max
0
500
50
2
DD
DD
Units
Units
ºC
µA
kΩ
V
V
V
pF
ns
ns
ns
ns
ns
Ω
8 - 47
V
V
V
V
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