AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
4 3510.2004.08.1.4
Electrical Characteristics (V
CC
= 2.5V to 5.5V, T
A
= -40 to +85ºC
1
unless otherwise noted.
Typical values are at T
A
=25°C )
Symbol Description Conditions Min Typ Max Units
Push/Pull RESET Output (AAT3510, 3512, 3513, 3514, 3515, 3516, 3518, 3519)
V
CC
≥ 1.0V, I
SINK
= 50µA 0.3
V
CC
≥ 1.2V, I
SINK
= 100µA 0.3
V
OL
RESET Low Output Voltage
V
CC
≥ 2.7V, I
SINK
= 1.2mA 0.3
V
V
CC
≥ 4.5V, I
SINK
= 3.2mA 0.4
V
OH
RESET High Output Voltage
V
CC
≥ 2.7V, I
SOURCE
= 500µA 0.8 x V
CC
V
V
CC
≥ 4.5V, I
SOURCE
= 800µA V
CC
- 1.5
V
CC
≥ 2.7V, I
SINK
= 1.2mA 0.3
RESET Low Output Voltage
V
CC
≥ 4.5V, I
SINK
= 3.2mA 0.4
V
OH
V
CC
≥ 1.8V, I
SOURCE
= 150µA 0.8 x V
CC
V
RESET High Output Voltage V
CC
≥ 2.7V, I
SOURCE
= 500µA 0.8 x V
CC
V
CC
≥ 4.5V, I
SOURCE
= 800µA V
CC
- 1.5
Bidirectional RESET Output (AAT3511, 3514, 3516)
t
S
Transition Flip-Flop Setup Time
2
400 ns
V
CC
= 3.0V, C
L
= 120pF 333
t
R
RESET Output Rise Time
3
V
CC
= 5.0V, C
L
= 200pF 333
ns
V
CC
= 3.0V, C
L
= 250pF 666
V
CC
= 5.0V, C
L
= 400pF 666
V
PTH
Active Pullup Enable Threshold V
CC
= 5.0V 0.4 0.65 V
RESET Active Pullup Current V
CC
= 5.0V 20 mA
RESET Pullup Resistance 4.2 4.7 5.2 kΩ
Open-Drain RESET Output (AAT3517, 3518, 3519)
V
CC
≥ 1.0V, I
SINK
= 50µA 0.3
V
CC
≥ 1.2V, I
SINK
= 100µA 0.3
V
OL
RESET Low Output Voltage
V
CC
≥ 2.7V, I
SINK
= 1.2mA 0.3
V
V
CC
≥ 4.5V, I
SINK
= 3.2mA 0.4
I
D(OFF)
Reset Leakage Current 1.0 µA
Watchdog Input (AAT3510, 3511, 3512, 3513, 3514, 3517, 3518)
AAT351xIGV-xx-x-A-T1 4.3 6.3 9.3
t
WD
Watchdog Timeout Period AAT351xIGV-xx-x-B-T1 71 102 153
ms
AAT351xIGV-xx-x-C-T1
4
1.12 1.6 2.4 s
t
WDI
WDI Minimum Pulse Width V
IL
= 0.3 x V
CC
, V
IH
= 0.7 x V
CC
50 ns
V
IL
WDI Input Threshold
5
0.3 x V
CC
V
IH
WDI Input Threshold
5
0.8 x V
CC
V
I
WDI
WDI Input Current
6
WDI = V
CC
, time average 120 160
µA
V
WDI
= 0, time average -20 -15
