AS3901 データシートの表示（PDF） - austriamicrosystems AG

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AS3901

ISM 433/315 MHz FSK/ASK Transmitter

austriamicrosystems AG 

ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet

AS3901

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

CLK (µC clock output)

VOH High level output voltage IOH = -1 mA VDD-0.7

-

VOL Low level output voltage IOL = 1 mA

GND

-

tr Rise time

CLoad = 10 pF

20

td Fall time

CLoad = 10 pF

20

jcc Cycle to cycle jitter

NRES (Inverted reset output)

VOH High level output voltage IOH = -1 mA VDD-0.3

-

VOL Low level output voltage IOL = 1 mA

GND

-

tr Rise time

CLoad = 10 pF

20

td Fall time

CLoad = 10 pF

20

TX/ASK (Driving amplifier and FSK modulator on/off (ASK) input)

VIH High level input voltage

VDD-0.5

-

VIL Low level input voltage

GND

-

IIH High level input current VIH = VDD

IIL

Low level input current VIL = 0 V.

-40

internal pull-up

DATA (FSK data input)

VIH High level input voltage

VDD-0.5

-

VIL Low level input voltage

GND

-

IIH

High level input current VIH = VDD

IIL

Low level input current VIL = 0 V

-1

Max

VDD

1.2

+/-5

VDD

0.2

VDD

0.3

1

VDD

0.3

1

Units Note

V

V

ns

ns

%

1)

V

V

ns

ns

V

V

µA

V

V

µA

µA

Rev. 6, August 2000

Page 11 of 18

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