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AS1908C18-T Datasheet(PDF) 4 Page - ams AG

Part # AS1908C18-T
Description  Low-Voltage Microprocessor Reset Circuits
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1908C18-T Datasheet(HTML) 4 Page - ams AG

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AS1907/AS1908/AS1909
Datasheet - Electrical Character i s t ics
www.ams.com/Supervisors/AS1907-09
Revision 1.8
4 - 10
6 Electrical Characteristics
VCC = Full Range, TAMB = -40 to +125ºC (unless otherwise specified). Typ values are at VCC = +3.0V, TAMB = +25ºC. All limits are guaranteed.
The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 4. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VCC
Supply Voltage Range
TAMB = 0 to +85ºC
AS1907, AS1908
0.7
3.6
V
AS1909
1.0
3.6
TAMB = -40 to +85ºC
AS1907, AS1908
0.78
3.6
AS1909
1.2
3.6
TAMB = -40 to +125ºC
1.2
3.6
ICC
Supply Current
1
1. Not valid if VCC = VTH.
VCC = 1.8V, no load
2.4
6.0
µA
VCC = 2.5V, no load
2.6
7.0
TAMB = +25ºC
VTH -
0.9%
VTH
VTH +
0.9%
V
VTH
RESET Threshold Voltage
TAMB = 0ºC to +50°C;
AS1909C17, AS1909C168, AS1909C188 only
VTH -
1.2%
VTH
VTH +
1.2%
V
TAMB = -40 to +125ºC
VTH -
3%
VTH
VTH +
3%
V
tRD
VCC Falling Reset Delay
VCC falling at 10V/ms
33
µs
tTP
RESET Active
Time-Out Period
AS190x-Azz-T
1
1.5
2
ms
AS190x-Bzz-T
20
30
40
AS190x-Czz-T
100
150
200
VOL
RESETN Output Low Voltage; RESET
asserted
(AS1907/AS1909)
ISINK = 50µA, VCC
≥ 1.0V
0.4
V
ISINK = 500µA, VCC
≥ 1.8V
0.3
VOH
RESETN Output High Voltage; RESET
Not Asserted (AS1907)
ISOURCE = 200µA, VCC
≥ 1.8V
0.8 x
VCC
V
ISOURCE = 500µA, VCC
≥ 2.7V
0.8 x
VCC
VOH
RESET Output Voltage; RESET
Asserted (AS1908)
ISOURCE = 1µA, VCC
≥ 1.0V
0.8 x
VCC
V
ISOURCE = 200µA, VCC
≥ 1.8V
0.8 x
VCC
VOL
RESET Output Voltage; RESET Not
Asserted (AS1908)
ISINK = 500µA, VCC
≥ 1.8V
0.3
V
ISINK = 1.2mA, VCC
≥ 2.7V
0.3
ILEAK
RESETN Output Leakage Current;
RESETN
Deasserted (AS1909)
VCC > VTH
0.5
µA


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