AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
Symbol Description
Conditions
Min
Typ
Max Units
Manual RESET Input (AAT3510, 3511, 3512, 3515, 3516, 3517, 3519)
VIL
VIH
MR Input Threshold
MR Input Threshold
0.3 x VCC
V
0.7 x VCC
MR Input Pulse Width
MR Glitch Rejection
MR Internal Pullup Resistance
MR to Reset Delay
1
µs
ns
kΩ
100
52
230
TA = 25°C
CC = 5V
35
75
V
ns
Note 1: Over-temperature limits are guaranteed by design, not production tested.
Note 2: This is the minimum time RESET must be held low by an external pulldown source to set the active pullup flip-flop.
Note 3: Measured from RESET VOL to (0.8 x VCC), Open Circuit Output.
Note 4: Watchdog timeout period C is not available on AAT3513, AAT3514, and AAT3518.
Note 5: WDI is internally serviced within the watchdog period if WDI is left unconnected.
Note 6: The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is
designed for a three-stated-output device with a 10µA maximum leakage current and capable of driving a maximum capacitive load of
200pF. The three-state device must be able to source and sink at least 200µA when active.
3510.2004.08.1.4
5
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