FM1233DDS3X FAIRCHILD [Fairchild Semiconductor], FM1233DDS3X Datasheet
FM1233DDS3X
Available stocks
Related parts for FM1233DDS3X
FM1233DDS3X Summary of contents
Page 1
FM1233D 3-Pin µC Supervisor Circuit General Description The FM1233D is a supervisor circuit that monitors a micropro- cessor power supply or other system voltage and issues a reset pulse when a fault condition exists. Several different threshold voltages are offered ...
Page 2
Absolute Maximum Ratings Voltage on any pin relative to GND V CC RESET Input Current Output Current (RESET) These are stress ratings only, and functional operation is not implied for these levels or beyond. Exposure to Absolute Maximum Rating conditions ...
Page 3
Typical Operating Characteristics Supply Current Vs. Temperature Power up Reset Timeout Vs. Temperature 600 500 400 300 200 100 FM1233D Rev. D -55C +25C Temperature (C) -40C +25C +105C Temperature ( ...
Page 4
Pin Descriptions Pin Number Name 1 2 RESET 3 Circuit Timing (Ex: FM1233D GND GND When operating properly with also be about 5V. When V starts to fall, RESET ...
Page 5
General Description The FM1233D features a highly accurate voltage reference to which V is compared. Once threshold, it will drive the RESET line and continue to hold it low until V returns above the threshold and the ...
Page 6
... Ordering Information Part Number Top Marking FM1233DFS3X 3DF FM1233DDS3X 3DD FM1233DES3X 3DE Note 5 : Devices listed above feature 250ms typical reset pulse width. Consult Fairchild Sales for other reset pulse width options. FM1233D Rev. D RESET Threshold (V) Output Type 4.62 Open-Drain, active LOW 4.38 Open-Drain, active LOW 4 ...
Page 7
Physical Dimensions inches (millimeters) unless otherwise noted 0.021 0.015 0.120 0.105 0.079 0.071 Life Support Policy Fairchild's products are not authorized for use as critical components in life support devices or systems without the express written approval of the President ...