AAT3510_06 Datasheet, PDF (2/11 Pages) Advanced Analogic Technologies – Micropower μP Reset with Watchdog Timer

AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
Pin Descriptions
Pin #
AAT3510 AAT3512 AAT3513 AAT3515
AAT3511
AAT3514 AAT3516
AAT3517
AAT3518 AAT3519 Symbol
1
N/A
1
1
RESET
2
2
2
N/A
1
3
2
GND
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 V_DD
falls below the reset threshold. CMOS push-pull output.
AAT3511/14/16: RESET output goes low whenever V_DD
falls below the reset threshold. Bidirectional CMOS push-
pull output intended to interface directly to microprocessors
with bi-directional resets.
AAT3517/18/19: RESET output goes low whenever V_DD
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
5 _VCC
GND ²
MR ³
4 _WDI
AAT3510
AAT3511
AAT3517
RESET ¹
5 _VCC
GND ²
MR ³
4 _WDI
AAT3512
5-lead SOT23
(Top View)
5-lead SOT23
(Top View)
RESET ¹
5 _VCC
GND ²
RESET ³
4 _WDI
AAT3513
AAT3514
AAT3518
RESET ¹
5 _VCC
GND ²
RESET ³
4 _MR
AAT3515
AAT3516
AAT3519
2
3510.2006.03.1.7