MAX699EPA+

The MAX699EPA+ is a low cost, power-on reset and watchdog controller in 8 pin DIP package. The device monitors +5V supply in microprocessor (μP) and digital systems. It supplies a RESET (complementary) pulse of at least 140ms duration on power-up, power-down and during low voltage brownout conditions. Circuit reliability is increased at reduced cost by eliminating all external components and adjustments. It also provides a watchdog input to monitor microprocessor activity. The RESET (complementary) output goes low if the watchdog input (WDI) is not toggled within 1 second. The watchdog feature can be disabled by leaving WDI open. Typical applications include intelligent instruments, controllers, computers and critical & µP power monitoring.

• Supply voltage range is 3V to 5.5V
• Operating temperature range from -40°C to 85°C
• Precision voltage monitor
• Power-OK/reset time delay
• Minimum component count
• Supply current is 5mA

Applications

System Monitoring

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party