AAT3510 Datasheet, PDF (6/12 Pages) Advanced Analogic Technologies – Micropower uP Reset with Watchdog Timer

AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
Typical Characteristics
(Unless otherwise noted, V_IN = 3V, T_A = 25°C)
Supply Current vs. Temperature
10
9
8 Vcc=5V
7
6
5 Vcc=3V
4
3
2 _Vcc=1V
1
0
-40
-20
0
20
40
60
80
100
Temperature (°C)
Vcc Falling To RESET Propagation
Delay vs. Temperature
160
140 _{Vcc falling at 1mV/µs}
120 _{VRST -Vcc=100mV}
100
80
60
40
20
0
-40
-20
0
20
40
60
Temperature (°C)
80
100
Manual Reset to RESET Propagation
Delay vs. Temperature
500
450 ^VCC=5V
400
350
300
250
200
-40
-20
0
20
40
60
Temperature (°C)
80
100
Normalized Reset Timeout Period vs.
Temperature
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
-40
-20
0
20
40
60
Temperature (°C)
80
100
Normalized Watchdog Timeout Period
vs. Temperature
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
-40
-20
0
20
40
60
Temperature (°C)
80
100
6
Maximum V_CC Transient Duration vs.
Reset Threshold Overdrive
80
70
60
50
40
30
V_RST =2.63V
20
10
0
10
100
1000
Reset Threshold Overdrive (mV) V_RST-V_CC
3510.2004.08.1.4