AAT3510 Datasheet, PDF (3/12 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
Absolute Maximum Ratings (T_A=25°C unless otherwise noted)
Symbol
Description
Max
Units
V_CC
V_MR, V_WDI
V_RESET
I_VCC, I_MR, I_WDI
I_RESET
dV_CC/dt
T_J
V_CC to GND
MR, WDI to GND
RESET to GND (Push-Pull or Bidirectional Output)
RESET to GND (Open Drain Output)
Maximum Continuous Input Current
RESET/RESET Output Current
Rate of rise of V_CC
Operating Junction Temperature Range (-40° to 150°C)
-0.3 to 6
-0.3 to V_CC+0.3
-0.3 to V_CC+0.3
-0.3 to 6
20
20
100
150
V
V
V
mA
mA
V/µs
°C
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
Symbol
Description
Θ_JA
Maximum Thermal Resistance¹
P_D
Maximum Power Dissipation¹
Note 1: Mounted on FR4 board
Value
190
526
Units
°C/W
mW
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
I_CC Supply Current
MR & WDI unconnected V_CC = 5.5V
AAT3515/6/9:
V_CC = 3.6V
6
18
15
µA
MR unconnected
V_CC = 5.5V
18
V_TH
Reset Threshold Voltage ^{TA = 25°C}
T_A = -40 to +85°C
V_THNOM-1.5% V_TH V_THNOM+1.5%
V
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
t_RP
Reset Active Timeout
Period
AAT351xIGV-xx-A-x-T1
AAT351xIGV-xx-B-x-T1
AAT351xIGV-xx-C-x-T1
1
1.4
2
20
28
40
ms
140
200
280
T_RD V_CC to RESET Delay
V_CC falling at 1mV/µs
40
µs
3510.2004.08.1.4
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