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AAT3510 Datasheet, PDF (2/12 Pages) Advanced Analogic Technologies – Micropower uP Reset with Watchdog Timer
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AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
Pin Descriptions
Pin #
AAT3510 AAT3512 AAT3513
AAT3511
AAT3514
AAT3517
AAT3518
1
N/A
1
AAT3515
AAT3516
AAT3519
1
Symbol
RESET
2
2
2
2
GND
1
3
3
RESET
3
3
N/A
4
MR
4
4
4
N/A
WDI
5
5
5
5
VCC
Function
AAT3510/13/15: RESET output goes low whenever VDD
falls below the reset threshold. CMOS push-pull Output
AAT3511/14/16: RESET output goes low whenever VDD
falls below the reset threshold. Bidirectional CMOS push-
pull Output intended to interface directly to microproces-
sors with bi-directional resets
AAT3517/18/19: RESET output goes low whenever VDD
falls below the reset threshold. Open drain output. Connect
a pull-up resistor to any supply voltage up to 5.5V
Ground connection pin
RESET active-high output. This CMOS push-pull signal is
the logical inverse of RESET.
Manual reset input pin. Active low. Pull low to force a reset.
Watchdog input pin. Triggers a reset if it remains in a
steady state for the duration of the watchdog timer period.
Input voltage pin
Pin Configuration
5-lead SOT23
(Top View)
5-lead SOT23
(Top View)
RESET 1
GND 2
MR 3
5 VCC
4 WDI
AAT3510
AAT3511
AAT3517
RESET 1
GND 2
RESET 3
5 VCC
4 WDI
AAT3513
AAT3514
AAT3518
5-lead SOT23
(Top View)
5-lead SOT23
(Top View)
RESET 1
GND 2
RESET 3
5 VCC
4 MR
RESET 1
GND 2
MR 3
5 VCC
4 WDI
AAT3515
AAT3516
AAT3519
AAT3512
2
3510.2004.08.1.4
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