AS1907/AS1908/AS1909
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
VCC = Full Range, TAMB = -40 to +125ºC (unless otherwise specified). Typ values are at VCC = +3.0V, TAMB = +25ºC.
Table 4. Electrical Characteristics
Parameter
Symbol
Conditions
Min Typ Max Unit
AS1907, AS1908 0.7
3.6
TAMB = 0 to +85ºC
AS1909
1.0
3.6
Supply Voltage Range
VCC
AS1907, AS1908 0.78
TAMB = -40 to +85ºC
AS1909
1.2
3.6
V
3.6
TAMB = -40 to +125ºC
1.2
3.6
Supply Current1
ICC
VCC = 1.8V, no load
VCC = 2.5V, no load
2.4 6.0
µA
2.6 7.0
TAMB = +25ºC
VTH -
0.9%
VTH
VTH +
0.9%
V
RESET Threshold Voltage
VTH
TAMB = 0ºC to +50°C;
AS1909C17 and AS1909C168 only
VTH -
1.2%
VTH
VTH +
1.2%
V
TAMB = -40 to +125ºC
VTH -
3%
VTH
VTH +
3%
V
VCC Falling Reset Delay
tRD
VCC falling at 10V/ms
33
µs
RESET Active
Time-Out Period
tTP
AS190x-Azz-T
AS190x-Bzz-T
AS190x-Czz-T
1 1.5
2
20 30
40
ms
100 150 200
RESETN Output Low Voltage;
RESET asserted
VOL
(AS1907/AS1909)
ISINK = 50µA, VCC ≥ 1.0V
ISINK = 500µA, VCC ≥ 1.8V
0.4
V
0.3
RESETN Output High Voltage;
RESET Not Asserted (AS1907)
VOH
ISOURCE = 200µA, VCC ≥ 1.8V
ISOURCE = 500µA, VCC ≥ 2.7V
0.8 x
VCC
0.8 x
VCC
V
RESET Output Voltage; RESET
Asserted (AS1908)
VOH
ISOURCE = 1µA, VCC ≥ 1.0V
ISOURCE = 200µA, VCC ≥ 1.8V
0.8 x
VCC
0.8 x
VCC
V
RESET Output Voltage; RESET
Not Asserted (AS1908)
VOL
ISINK = 500µA, VCC ≥ 1.8V
ISINK = 1.2mA, VCC ≥ 2.7V
0.3
V
0.3
RESETN Output Leakage
Current; RESETN
Deasserted (AS1909)
ILEAK
VCC > VTH
0.5 µA
1. Not valid if VCC = VTH.
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