AS3902 データシートの表示（PDF） - austriamicrosystems AG

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AS3902

ISM 433 MHz ASK Transmitter

austriamicrosystems AG 

ISM 433 MHz ASK Transmitter – Preliminary Data Sheet

AS3902

2.4 Digital Pin Characteristics

TAMB = 23 °C, VDD = 3.0 V, unless specified otherwise. GND is the 0 V reference.

Input parameters for bi-directional pins (CLK/NWUP, NRES/PD) are valid at disabled outputs.

Symbol Parameter

Conditions

Min

Typ

CLK/NWUP (µC clock output / wake-up input)

VOH High level output voltage IOH =-1 mA

VDD-0.5 -

VOL Low level output voltage IOL =1 mA

-

tr Rise time

CLoad = 10 pF

20

td Fall time

CLoad = 10 pF

20

jcc Cycle to cycle jitter

VIH High level input voltage

VDD-0.5 -

VIL Low level input voltage

-

IIH High level input current VIH = VDD

IIL Low level input current VIL =0 V; Due to

-17

internal pull-up

TX (serial data input)

VIH High level input voltage

VDD-0.5 -

VIL Low level input voltage

-

IIH High level input current VIH= VDD; Due to

internal pull-down

IIL Low level input current VIL =0 V

-1

NRES/PD (µC reset output / transmitter power down input)

VOH High level output voltage IOH = -1mA

VDD-0.5 -

VOL Low level output voltage IOL = 1mA

-

VIH High level input voltage

VDD-0.5 -

VIL Low level input voltage

-

IIH High level input current VIH = VDD

IIL Low level input current VIL =0 V; Due to

-17

internal pull-up

Note:

1)

2)

guaranteed by design

cf. Figure 6

Max Units Note

V

0.6

V

ns

ns

+/-5

%

1)

V

0.3

V

1

µA

µA

2)

V

0.3

V

35

µA

µA

V

0.6

V

V

0.3

V

1

µA

µA

2)

Rev. A7, December 2000

Page 8 of 14

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