AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
3510.2004.08.1.4 3
Absolute Maximum Ratings (T
A
=25°C unless otherwise noted)
Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at con-
ditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time.
Thermal Information
Note 1: Mounted on FR4 board
Electrical Characteristics (V
CC
= 2.5V to 5.5V, T
A
= -40 to +85°C
1
unless otherwise noted.
Typical values are at T
A
=25°C )
Symbol Description Conditions Min Typ Max Units
V
CC
Operating Voltage Range T
A
= -40°C to +85°C 1 5.5 V
AAT3510/1/2/3/4/7/8: V
CC
= 3.6V 5 15
MR & WDI unconnected V
CC
= 5.5V 6 18
I
CC
Supply Current
AAT3515/6/9: V
CC
= 3.6V 15
µA
MR unconnected V
CC
= 5.5V 18
V
TH
Reset Threshold Voltage
T
A
= 25°C V
THNOM
-1.5% V
TH
V
THNOM
+1.5%
V
T
A
= -40 to +85°C V
THNOM
-2.5% V
TH
V
THNOM
+2.5%
T
C
Reference Voltage -40°C < T
A
< +85°C ±40 ppm/°C
Temp Coeff
AAT351xIGV-xx-A-x-T1 1 1.4 2
t
RP
Reset Active Timeout
AAT351xIGV-xx-B-x-T1 20 28 40 ms
Period
AAT351xIGV-xx-C-x-T1 140 200 280
T
RD
V
CC
to RESET Delay V
CC
falling at 1mV/µs 40 µs
Symbol Description Value Units
Θ
JA
Maximum Thermal Resistance
1
190 °C/W
P
D
Maximum Power Dissipation
1
526 mW
Symbol Description Max Units
V
CC
V
CC
to GND -0.3 to 6 V
V
MR
, V
WDI
MR, WDI to GND -0.3 to V
CC
+0.3 V
V
RESET
RESET to GND (Push-Pull or Bidirectional Output) -0.3 to V
CC
+0.3
V
RESET to GND (Open Drain Output) -0.3 to 6
I
VCC
, I
MR
, I
WDI
Maximum Continuous Input Current 20 mA
I
RESET
RESET/RESET Output Current 20 mA
dV
CC
/dt Rate of rise of V
CC
100 V/µs
T
J
Operating Junction Temperature Range (-40° to 150°C) 150 °C
