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MAX694 Microprocessor Supervisory IC Datasheet

Photograph
MAX694CPA - MAX694 Microprocessor Supervisory IC

Product Details

The MAX694 is a microprocessor monitor for monitoring the system voltage of 4.65V. The device includes a reset output for power up and down conditions, together with low voltage brownout reset. Battery backup switching is provided to switch to a back-up battery in power fail conditions. The MAX694 also includes a watchdog timer, to reset the device in cases of program lockup.


Features

  • Precision Voltage Monitor 4.65V
  • Power OK/Reset Time Delay - 50, 200ms, or Adjustable
  • Watchdog Timer - 100ms, 1.6 sec, 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 Layout
Maxim MAX694CPA Pin Layout

Pin Description
Pin Number Description
1 Vout - Sense Output
2 Vcc - +5V Power Supply
3 GND - Ground
4 PFI - Power Fail Input
5 PFO - Power Fail Output
6 WDI - Watchdog Input
7 RESET - Active High Reset
8 Vbatt - Backup Battery Input
Dimensional Drawing
MAX694 DIP8 Dimension Drawing

Technical Data

Datasheet

Maxim Integrated Website - Datasheet for MAX694 Datasheet

Application Notes