MicroManager Single-Channel Battery Backup Circuit, 4.5V to 5.5V, 4mA, DIP Package
MicroManager Single-Voltage Supervisor, 4.25V/4.5V, 4.37V Threshold, 4mA
Power Supply Management Circuit, Fixed, 2 Channel, PDIP16, 0.300 INCH, DIP-16
IC SUPERVISOR 1 CHANNEL 16SOIC