MAX16997AAUA+ Maxim Integrated Products, MAX16997AAUA+ Datasheet - Page 14

• Manufacturer Part Number: MAX16997AAUA+
• Description: IC TIMER WATCHDOG 8-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Watchdog Circuitr

Specifications of MAX16997AAUA+

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: Adjustable/Selectable
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-Voltage Watchdog Timers with
Adjustable Timeout Delay
Figure 11. MAX16998A/B/D Switch Over to Backup Circuitry
Figure 12. MAX16997A Application Diagram
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______________________________________________________________________________________
R1
R2
V
BATT
V
CC
R2
R1
V
BATT
V
CC
EN
SWT
MAX16997A
SRT
RESETIN
SWT
GND
IN
MAX16998A/B/D
GND
IN
ENABLE
WDI
ENABLE
RESET
WDI
I/O
V
CC
REGULATOR
GND
µC
5V
RESET
I/O
EN
RESET
I/O
LDO
GND
µC
BACKUP CIRCUITRY,
BACKUP
CIRCUITRY FLAGS
PERIPHERAL
WATCHDOG
5V
REGULATOR
BACKUP CIRCUITRY,
PERIPHERAL
SEPARATE
WATCHDOG
5V