Description
The MAX817/MAX818/MAX819 microprocessor (µP) supervisory circuits simplify power-supply monitoring, battery control, and chip-enable gating in µP systems by reducing the number of components required.
Features
- o Precision Supply-Voltage Monitor: 4.65V (MAX81_L) 4.40V (MAX81_M) o 11µA Quiescent Supply Current o 200ms Reset Time Delay o Watchdog Timer with 1.6sec Timeout (MAX817/MAX818) o Battery-Backup Power Switching; Battery Voltage Can Exceed VCC o Battery Freshness Seal o On-Board, 3ns Gating of Chip-Enable Signals (MAX818) o Uncommitted Voltage Monitor for Power-Fail or Low-Battery Warning (MAX817/MAX819) o Manual Reset Input (MAX819)
MAX817L/M, MAX818L/M, MAX819L/M.
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MAX818M_MaximIntegratedProducts.pdf
