The TC1270A, TC1271A and TC1270AN are cost-effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. A manual reset input is provided to override the reset monitor, and is suitable for use as a push-button reset. The TC1270A has a push-pull, active-low RESET output, the TC1271A has a push-pull, active-high RESET output and TC1270AN has an open-drain, active-low RESET output.. All devices are available in industry standard pin-out and industry standard 4-Pin SOT-143 and 5-pin SOT23 packages. The TC1270A/70AN/71A are optimized to reject fast transient glitches on the VCC line and are suitable for all battery powered applications.

• Precision Voltage Monitor
  • 2.63V, 2.93V, 3.08V, 4.38V and 4.63V Trip Points (Typical)
• Manual Reset Input
• Reset Time-Out Delay:
  • Standard: 280 ms (Typical)
  • Optional: 2.19 ms, and 35 ms (Typical)
• Power Consumption <=15 µA max
• No glitches on outputs during power-up
• Active Low Output Options:
  • Push-Pull Output and Open-Drain Output
• Active High Output Option:
  • Push-Pull Output
• Replacement for (Specification compatible with):
  • TC1270, TC1271, TCM811, TCM812
• Fully Static Design
• Low-Voltage Operation (1.0V)
• ESD Protection:
  • >=4 kV Human Body Model (HBM)
  • >=400V Machine Model (MM)
• Extended (E) Temperature Range:
  • -40°C to +125°C
• Package Options:
  • 4-Lead SOT-143
  • 5-Lead SOT-23
  • Pb-free Device