AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
1
Electrical Characteristics (VCC = 2.5V to 5.5V, TA = -40 to +85ºC unless otherwise noted.
Typical values are at TA=25°C )
Symbol Description
Conditions
Min
Typ
Max Units
Push/Pull RESET Output (AAT3510, 3512, 3513, 3514, 3515, 3516, 3518, 3519)
VCC ≥ 1.0V, ISINK = 50µA
0.3
VCC ≥ 1.2V, ISINK = 100µA
0.3
0.3
0.4
VOL
RESET Low Output Voltage
V
VCC ≥ 2.7V, ISINK = 1.2mA
VCC ≥ 4.5V, ISINK = 3.2mA
VCC ≥ 2.7V, ISOURCE = 500µA
VCC ≥ 4.5V, ISOURCE = 800µA
VCC ≥ 2.7V, ISINK = 1.2mA
VCC ≥ 4.5V, ISINK = 3.2mA
VCC ≥ 1.8V, ISOURCE = 150µA
VCC ≥ 2.7V, ISOURCE = 500µA
VCC ≥ 4.5V, ISOURCE = 800µA
0.8 x VCC
VCC - 1.5
VOH
RESET High Output Voltage
RESET Low Output Voltage
V
0.3
0.4
V
VOH
0.8 x VCC
0.8 x VCC
VCC - 1.5
RESET High Output Voltage
Bidirectional RESET Output (AAT3511, 3514, 3516)
2
tS
Transition Flip-Flop Setup Time
400
ns
VCC = 3.0V, CL = 120pF
VCC = 5.0V, CL = 200pF
VCC = 3.0V, CL = 250pF
VCC = 5.0V, CL = 400pF
VCC = 5.0V
333
333
666
666
V
3
tR
RESET Output Rise Time
ns
VPTH
Active Pullup Enable Threshold
RESET Active Pullup Current
RESET Pullup Resistance
0.4
4.2
0.65
20
4.7
VCC = 5.0V
mA
kΩ
5.2
Open-Drain RESET Output (AAT3517, 3518, 3519)
VCC ≥ 1.0V, ISINK = 50µA
0.3
0.3
0.3
0.4
1.0
VCC ≥ 1.2V, ISINK = 100µA
VCC ≥ 2.7V, ISINK = 1.2mA
VCC ≥ 4.5V, ISINK = 3.2mA
VOL
RESET Low Output Voltage
Reset Leakage Current
V
ID(OFF)
µA
ms
Watchdog Input (AAT3510, 3511, 3512, 3513, 3514, 3517, 3518)
AAT351xIGV-xx-x-A-T1
AAT351xIGV-xx-x-B-T1
AAT351xIGV-xx-x-C-T1
4.3
71
1.12
6.3
102
1.6
50
9.3
153
2.4
tWD
Watchdog Timeout Period
WDI Minimum Pulse Width
4
s
ns
tWDI
VIL
VIH
VIL = 0.3 x VCC, VIH = 0.7 x VCC
5
WDI Input Threshold
0.3 x VCC
5
WDI Input Threshold
0.8 x VCC
160
V
WDI = VCC, time average
VWDI = 0, time average
120
-15
6
IWDI
WDI Input Current
µA
-20
4
3510.2004.08.1.4
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
