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AS3901 Datasheet(PDF) 11 Page - ams AG

Part # AS3901
Description  ISM 433/315 MHz FSK/ASK Transmitter
PDF  18 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3901 Datasheet(HTML) 11 Page - ams AG

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ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet
AS3901
Rev. 6, August 2000
Page 11 of 18
2.4 Digital Pin Characteristics
TAMB = 23 °C, VDD = 3.0 V, unless specified otherwise. GND is the 0 V reference.
Symbol Parameter
Conditions
Min
Typ
Max
Units
Note
CLK (µC clock output)
VOH
High level output voltage IOH = -1 mA
VDD-0.7
-
VDD
V
VOL
Low level output voltage
IOL = 1 mA
GND
-
1.2
V
tr
Rise time
CLoad = 10 pF
20
ns
td
Fall time
CLoad = 10 pF
20
ns
jcc
Cycle to cycle jitter
+/-5
%
1)
NRES (Inverted reset output)
VOH
High level output voltage IOH = -1 mA
VDD-0.3
-
VDD
V
VOL
Low level output voltage
IOL = 1 mA
GND
-
0.2
V
tr
Rise time
CLoad = 10 pF
20
ns
td
Fall time
CLoad = 10 pF
20
ns
TX/ASK (Driving amplifier and FSK modulator on/off (ASK) input)
VIH
High level input voltage
VDD-0.5
-
VDD
V
VIL
Low level input voltage
GND
-
0.3
V
IIH
High level input current
VIH = VDD
1
IIL
Low level input current
VIL = 0 V.
internal pull-up
-40
µA
DATA (FSK data input)
VIH
High level input voltage
VDD-0.5
-
VDD
V
VIL
Low level input voltage
GND
-
0.3
V
IIH
High level input current
VIH = VDD
1
µA
IIL
Low level input current
VIL = 0 V
-1
µA



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