AS1916 - AS1918
austriamicrosystems
Data Sheet
Table 3. Electrical Characteristics (Continued)
Parameter 1
Symbol
Conditions
Min
Typ
Max Units
VCC ≥ 1.0V, ISOURCE = 1µA,
Reset Asserted, TAMB = 0 to +85ºC
0.8 x
VCC
VCC ≥ 1.50V, ISOURCE = 100µA,
0.8 x
VCC
Reset Asserted
RESET Output High
(Push/Pull Only)
VOH
V
VCC ≥ 2.55V, ISOURCE = 500µA,
0.8 x
VCC
Reset Asserted
VCC ≥ 3.3V, ISOURCE = 800µA,
0.8 x
VCC
Reset Asserted
VCC ≥ 1.8V, ISINK = 500µA,
0.3
Reset Asserted
RESET Output Low
VCC ≥ 3.15V, ISINK = 1.2mA,
VOL
0.3
0.4
V
V
(Push/Pull Only)
Reset Asserted
VCC ≥ 3.3V, ISINK = 3.2mA,
Reset Asserted
Manual Reset Input
0.3 x
VCC
VIL
MRN Input voltage
VIH
0.7 x
VCC
MRN Minimum Input Pulse
MRN Transient Rejection
MRN to Reset Delay
1
µs
ns
ns
kΩ
90
130
50
MRN Pullup Resistance
Watchdog Input
25
75
TAMB = -40 to +85ºC
TAMB = -40 to +125ºC
1.12
0.80
1.5
2.4
tWD
Watchdog Timeout Period
WDI Pulse Width 2
s
2.60
tWDI
VIL
20
ns
0.3 x
VCC
WDI Input Voltage
WDI Input Current
V
0.7 x
VCC
VIH
WDI = VCC, Time Average
WDI = 0, Time Average
80
160
IWDI
µA
-20
-11
1. Over-temperature limits are guaranteed by design and not production tested. Devices tested at +25ºC.
2. Guaranteed by design and not production tested.
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