Maxim Integrated DS1231-50N Mounting Type: Through Hole Number Of Voltages Monitored: 1 Operating Temperature: -40?°C ~ 85?°C Output: Open Drain or Open Collector Package / Case: 8-DIP (0.300", 7.62mm) Reset: Active High/Active Low Reset Timeout: 150 ms Minimum Series: - Type: Simple Reset/Power-On Reset Voltage - Threshold: 4.37V, 4.62V RoHS: yes Number of Voltages Monitored: 1 Threshold Voltage: 4.5 V to 5.5 V Output Type: Active High, Active Low, Open Drain Manual Reset: No Manual Reset Watchdog: No Watchdog Battery Backup Switching: No Backup Supply Voltage - Max: 5.5 V Maximum Operating Temperature: + 85 C Chip Enable Signals: No Chip Enable Minimum Operating Temperature: - 40 C Operating Supply Current: 2000 uA Overvoltage Threshold: 4.74 V Power Fail Detection: Yes Supply Voltage - Min: 4.5 V Undervoltage Threshold: 4.5 V