AS1904(2005) 查看數據表（PDF） - austriamicrosystems AG
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AS1904 Datasheet PDF : 9 Pages
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AS1904, AS1905, AS1906
Data Sheet
austriamicrosystems
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Table 3. Coding of Factory-trimmed Reset Active Time-Out Period
Device
Suffix
tTP in Milliseconds
Min
Typ
Max
AS190x_xx
A
3
5
8
AS190x_xx
B
12
20
32
AS190x_xx
C
60
100
160
AS190x_xx
D
300
500
800
Table 4. Output Variants
Device
AS1904xxx
AS1905xxx
AS1906xxx
Output Functionality
Active Low (RESETN)
Active High (RESET)
Open Drain (RESETN)
Table 5. Coding of Factory-Trimmed Reset Threshold Voltages
Reset Threshold Voltage, VTH in V
Device
Suffix
TA = +25°C
TA = -40 to +85°C
Min
Typ
Max
Min
Max
AS190xx__
22
2.167
2.2
2.233
2.145
2.255
AS190xx__
23
2.285
2.32
2.355
2.262
2.378
AS190xx__
24
2.364
2.4
2.436
2.340
2.460
AS190xx__
25
2.463
2.5
2.538
2.438
2.563
AS190xx__
26
2.591
2.63
2.669
2.564
2.696
AS190xx__
27
2.660
2.7
2.741
2.633
2.768
AS190xx__
28
2.758
2.8
2.842
2.730
2.870
AS190xx__
29
2.886
2.93
2.974
2.857
3.003
AS190xx__
30
2.955
3.0
3.045
2.925
3.075
AS190xx__
31
3.034
3.08
3.126
3.003
3.157
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Revision 1.4
5-9
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