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Part Number: FM1233E
Description: The FM1233E is a supervisor circuit that monitors a microprocessorpower supply or other system voltage and iss...
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FM1233E
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DataSheet
General Description
FM1233E General Description
The FM1233E is a supervisor circuit that monitors a microprocessor power supply or other system voltage and issues a reset pulse when a fault condition exists. Several different threshold
voltages are offered to accommodate 3V systems with different tolerances.
The device features a precision temperature-compensated voltage reference and comparator. When VCC falls to the threshold voltage, a RESET pulse is issued, holding the output in the
active state. When power rises above VTH, the reset remains for approximately 250 ms to allow the system clock and other circuits to stabilize. The reset output of FM1233E is of open-drain active low type.
FM1233E Maximum Ratings
Voltage on any pin relative to GND
VCC..............................................................-0.3V to +6.0V
RESET............................................... .-0.3V to (VCC+ 0.3V)
Input Current ...........................................................20mA
Output Current (RESET)........................................... 20mA
Continuous Power Dissipation (TA= 70°C)
SOT23 (derate 4mW above 70°C)....................... 300mW
Operating Temperature Range........... .-40°C to +105°C
Storage Temperature Range.............. .-65°C to +150°C
Lead Temperature (soldering, 10s) .....................+300°C
FM1233E Features
Precision monitoring of 3.3V and lower voltage microprocessor systems
VTH values of 2.88V, 2.72V
Automatic restart of microprocessor after power failure
140ms (min) power-on RESET delay (typ.: 256ms)
Internal 5k pull-up resistor
Other reset choices available: 32 to 128ms
Operating Temperature -40°C to +105°C
SOT23-3 package
VTH values of 2.88V, 2.72V
Automatic restart of microprocessor after power failure
140ms (min) power-on RESET delay (typ.: 256ms)
Internal 5k pull-up resistor
Other reset choices available: 32 to 128ms
Operating Temperature -40°C to +105°C
SOT23-3 package
FM1233E
PDF/DataSheet Download
- Datasheet: FM1233E
- File Size: 32185 KB
- Manufacturer: FAIRCHILD [Fairchild Semiconductor]
- Click here to Download
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