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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The TC1232EOA is a fully-integrated Processor Supervisor provides three important functions to safeguard processor sanity - precision power on/off reset control, watchdog timer and external reset override. On power-up, the TC1232 holds the processor in the reset state for a minimum of 250ms after VCC is within tolerance to ensure a stable system start-up. Microprocessor sanity is monitored by the on-board watchdog circuit. The microprocessor must provide a periodic low-going signal on the ST input. The outputs of the TC1232 are immediately driven active when the PB input is brought low by an external pushbutton switch or other electronic signal. When connected to a push button switch, the TC1232 provides contact debounce.
No external components
Debounced manual reset input for external override

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TC1232EOA Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	4.50V (min)
Operating Voltage	4V ~ 5.5V
Supply Current	50 μA
Number of Positions	8 Position
Quiescent Current	50 µA
Threshold Voltage	4.37 V
Rise Time	0 μs
Reset Threshold Voltage (Min)	4.5V, 4.25V
Reset Threshold Voltage (Max)	4.74V, 4.49V
Fall Time	10 μs
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Length	5 mm
Size-Width	3.99 mm
Size-Height	1.55 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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