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MAX691CPE - MAX691 Microprocessor Supervisory Circuits Datasheet - Buy MAX691CPE


Photograph
MAX691 Maxim IC
Features
Precision Voltage Monitor - 4.65V
Power OK/Reset Time Delay
Watchdog Timer - 100ms, 1.6sec or adjustable
Minimum Component Count
1µA Standby Current
Battery Backup Power Switching
Onboard Gating of Chip Enable Signals
Voltage Monitor for Power Fail or Low Battery Warning

Pin Description
Pin Number Description
1 Vbatt - Backup battery input.
2 Vout - The higher of Vcc or Vbatt is internally switched to Vout
3 Vcc - +5V Input
4 GND - Ground
5 Batt On - Batt On goes high when Vout is internally switched to the Vbatt input
6 Low Line - Low Line goes low when Vcc falls below the reset threshold.
7 OSC IN - See Data Sheet
8 OSC SEL - See Data Sheet
9 PFI - See Data Sheet
10 PFO - See Data Sheet
11 WDI - Watchdog Input
12 CE Out - See Data Sheet
13 CE In - See Data Sheet
14 WDO - Watchdog Output
15 Reset - See Data Sheet
16 Reset - See Data Sheet
Pin Layout
MAX691 Maxim IC

Dimensional Drawing
DIP Dimension Drawing

Technical Data
Data Sheet

Maxim - Data Sheet for MAX691


Application Notes
   





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