參數(shù)資料
型號(hào): AS3902
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 通信及網(wǎng)絡(luò)
英文描述: ISM 433 MHz ASK Transmitter
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO8
封裝: MSOP-8
文件頁數(shù): 8/14頁
文件大?。?/td> 348K
代理商: AS3902
ISM 433 MHz ASK Transmitter – Preliminary Data Sheet
AS3902
Rev. A7, December 2000
Page 8 of 14
2.4 Digital Pin Characteristics
T
AMB
= 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
Max
Units
Note
CLK/NWUP (μC clock output / wake-up input)
VOH
High level output voltage IOH =-1 mA
VDD-0.5
-
V
VOL
Low level output voltage IOL =1 mA
-
0.6
V
tr
Rise time
CLoad = 10 pF
20
ns
td
Fall time
CLoad = 10 pF
20
ns
jcc
Cycle to cycle jitter
+/-5
%
1)
VIH
High level input voltage
VDD-0.5
-
V
VIL
Low level input voltage
-
0.3
V
IIH
High level input current
VIH = VDD
1
μA
IIL
Low level input current
VIL =0 V; Due to
internal pull-up
-17
μA
2)
TX (serial data input)
VIH
High level input voltage
VDD-0.5
-
V
VIL
Low level input voltage
-
0.3
V
IIH
High level input current
VIH= VDD; Due to
internal pull-down
35
μA
IIL
Low level input current
VIL =0 V
-1
μA
NRES/PD (μC reset output / transmitter power down input)
VOH
High level output voltage IOH = -1mA
VDD-0.5
-
V
VOL
Low level output voltage IOL = 1mA
-
0.6
V
VIH
High level input voltage
VDD-0.5
-
V
VIL
Low level input voltage
-
0.3
V
IIH
High level input current
VIH = VDD
1
μA
IIL
Low level input current
VIL =0 V; Due to
internal pull-up
-17
μA
2)
Note:
1)
2)
guaranteed by design
cf. Figure 6
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