Voltage Detection and System Reset IC  
Part No. Features Vcc(V) Icc(uA) Detect Volt. Range (V) Accurate Package
81XX Power Reset IC

*High precision voltage detection. (VSS±3% max)
*low current consumption.
(ICCH=5μA max. ICCL=5μA max.)
*Low operating threshold voltage (0.65V typ.)
*Hysteresis voltage is provided as a detect voltage.
(50mV typ.)
*Large output current at the time ON (15mA typ.)
*The detect voltage can be selected at your discretion at 0.1V step
within the range of 1.9V to 4.6V by the following stipulation
method.
-0.3V~+10.0V 3.0uA (Typ)/ 5.0uA (Max) 1.8V~4.6V & 5.0V ±3.0% SOT-23 SOT-25 SOT-23-3
SOT-89 TO-92
81CXX CMOS Output Voltage Detectors with Built-in Delay.                                                   Built-in Delay Time:1ms ~ 50ms &50 ~ 200 ms& 200ms ~ 400ms

* Highly Accurate: Detect voltage ± 2%
* Built-In Delay time : 1ms ~ 50ms
50ms ~ 200ms
200ms ~ 400ms
* Detect Voltage Temperature
Characteristics: TYP± 100ppm/°C
* Wide Operating Voltage Range : 0.7V ~ 10.0V
* Low Current Consumption : TYP 1.0μA (VIN=2.0V)
0.7V~+10.0V 2.0uA (Typ)/ 4.2uA (Max) 1.0V ~ 5.0V ±2.0% SOT-23 SOT-89 SOT-323
TO-92 SOT-223 SOT-23-3
81NXX Nch Open Drain Voltage Detectors with Built-in Delay.                                               Built-in Delay Time:1ms ~ 50ms &50 ~ 200 ms& 200ms ~ 400ms

* Highly Accurate: Detect voltage ± 2%
* Built-In Delay time : 1ms ~ 50ms
50ms ~ 200ms
200ms ~ 400ms
* Detect Voltage Temperature
Characteristics: TYP± 100ppm/°C
* Wide Operating Voltage Range : 0.7V ~ 10.0V
* Low Current Consumption : TYP 1.0μA (VIN=2.0V)
0.7V~+10.0V 2.0uA (Typ)/ 4.2uA (Max) 1.0V ~ 5.0V ±2.0% SOT-23 SOT-89 SOT-323
TO-92 SOT-223 SOT-23-3
82XX Voltage Detection and System Reset IC with Manual Reset Function,
Built-in Delay Time:30~75ms;60~150ms;120~300ms;240ms ~600ms;480~1200ms

* Internal Fixed Delay Time Setting by Counter Timer
* Grate Delay Time Temperature Characteristics:±800ppm/°C
* Operating Limit Voltage as 0.65V(Typ.)
* Hysteresis Voltage Provided: 50mV(Typ.)
* Circuit Current While On ICCL=300μA(Typ.)
* Circuit Current While Off ICCH=200μA(Typ.)
-0.3V~+10.0V 600uA (Max) 1.8V~4.6V & 5.0V - SOT-25
82CXX CMOS Output Voltage Detectors

*High-accuracy detection voltage : ±2%
*Detect voltage range : 1.3V to 6.2V in 0.1V increments
*Detect voltage temperature characteristics: TYP. ±100ppm/°С.
*Wide operating voltage range : 0.7V to 10.0V
*Low current consumption : TYP 0.7μA(at VIN=1.5V)
12.0V 1.1uA (Typ)/ 3.6uA (Max) 0.9V ~ 6.2V ±2.0% SOT-25 SOT-23 SOT-23-3
SOT-89 TO-92
82NXX N-ch Open Drain Output Voltage Detectors

* High-accuracy detection voltage : ±2%
* Detect voltage range : 1.3V to 6.0V in 0.1V increments
* Detect voltage temperature characteristics: TYP.±100ppm/°C.
* Wide operating voltage range : 0.7V to 10.0V
* Low current consumption : TYP 0.7μA (at VIN=1.5V)
12.0V 1.3uA (Typ)/ 4.0uA (Max) 0.9V ~ 6.0V ±2.0% SOT-25 SOT-23 SOT-23-3
SOT-89 TO-92
83CXXX CMOS Output Voltage Detectors with Manual Reset Function.                                     Built-in Delay Time: 140~520ms

* +3V, +3.3V, and +5V power-supply voltages
* Full temperature rated
* Supply current: 5μA
* Available in configuration: push-pull RESET output
* 140ms minimum power-on reset pulse width
* Guaranteed reset to VCC = +1V
* Power supply transient Immunity
* Eliminating external components
* Manual reset input
-0.3V~+6.0V 5.0uA (Typ)/ 8.0uA (Max) 2.93V ~ 3.08V ±2.5% SOT-143
88CXX CMOS Output High-Precision Voltage Detectors with Delay Controlled by External Capacitor

* Highly accurate : 2.0%
* Hysteresis characteristics: 5% typ.
* Ultra-low current consumption: 1.0μA typ. (VDD=2.0V)
* Detection voltage ranges: 1.5~6V and step by 0.1V.
* Low operating voltage based on detection voltage
* Delay time setting by an additional external capacitor
0.95V~+10.0V 1.5uA (Typ)/ 5.0uA (Max) 1.6V,1.7V,1.8V,1.9V,2.0V,2.1V,2.2V,2.3V,2.4V,2.5V,2.6V,2.7V,2.8V,2.9V,3.0V,3.1V,3.2V,3.3V,3.4V,3.5V,3.6V,3.7V,3.8V,3.9V,4.0V,4.1V,4.2V,4.3V,4.4V,4.5V,4.6V,4.7V,4.8V,4.9V,5.0V,5.1V,5.2V,5.3V,6.0V ±2.0% SOT-23-5 SOT-25 
88NXX Nch Open Drain  High-Precision Voltage Detectors with Delay Controlled by External Capacitor

* Extremely Low Current Dissipation :
1.2μA Typ. (Detection Voltage 1.5 V @ VDD=3.5 V)
* ±2.0 % Accuracy Detection Voltage
* Hysteresis Characteristics: 5% TYP
* Detection Voltage varies from 1.5V to 6.0V with 0.1V step
* Output Forms: N-ch open-drain output (when it is in Active-Low)
0.95V~+10.0V 5.0uA (Max) 1.1V ~ 6.0V ±2.0% SOT-25 SOT-143
U7704* Nch Open Drain Output Voltage Detection, Low Quiescent Current, Adjustable delay time with external capacitor, Manual Reset 0.95V~+10.0V 0.9uA (Typ)/2.0uA (Max) 1.0V ~ 6.0V ±1.0% SOT-25 SOT-23-5 SOT-353
U7705* CMOS Output Voltage Detection, Low Quiescent Current,
Adjustable delay time with external capacitor, Manual Reset
0.95V~+10.0V 0.9uA (Typ)/2.0uA (Max) 1.0V ~ 6.0V ±1.0% SOT-25 SOT-23-5 SOT-353
UIC809 MICROPROCESSOR RESET CIRCUITS

* Voltage monitor for 3V or 3.3V or 5V power supplies
* Valid RESET remains with VCC as low as 1V
* Typical supply current: 5μA
* Fixed 140ms minimum reset pulse width
* With Manual reset input
-0.3V~+6.0V 10.0uA (Max) - - SOT-23-3
UIC811 Microprocessor Reset Circuits Include Manual Reset.
Built-in Delay Time: 140~560ms; Reset Out With Active Low

* Voltage monitor for 3V or 3.3V or 5V power supplies
* Valid RESET remains with VCC as low as 1V
* Typical supply current: 5μA
* Fixed 140ms minimum reset pulse width
* With Manual reset input
-0.3V~+6.0V 25.0uA (Max) 2.63V ~ 5.0V ±2.5% SOT-23 SOT-23-3 SOT-143
SOT-343
UIC812 4-PIN μP VOLTAGE MONITORS WITH MANUAL RESET INPUT

* Precision Monitoring of +3V, +3.3V, and +5V
Power-Supply Voltages
* Available in Three Output Configurations
Open-Drain RESET Output
* Typical supply current: 5μA
* 230 mS Min Power-On Reset Pulse Width
* Guaranteed Reset Valid to VCC=+1V
* Power Supply Transient Immunity
* Manual Reset Input
* 2% Threshold Accuracy
-0.3V~+6.0V 20.0uA (Max) 2.63V ~ 4.63V ±2.0% SOT-23-5 SOT-143
UIC813 3-PIN MICROPROCESSOR RESET CIRCUITS

* Voltage monitor for 3V or 3.3V or 5V power supplies
* Valid RESET remains with VCC as low as 1V
* Typical supply current: 10μA
* Fixed 140ms minimum reset pulse width
* Push-Pull Reset Active High Optput.
-0.3V~+6.0V 30.0uA (Max) 2.63V ~ 4.63V ±2.0% SOT-23 SOT-143
UTC812 Microprocessor Reset Circuits Include Manual Reset.
Built-in Delay Time: 140~560ms; Reset Out With Active Low

* Supply Current: 10μA
* Precision Monitoring of +5V, +3.3V, +3.0V Powered Circuits
* With the Two Configurations In The Following:
Push-Pull RESET Output
* Power-On Reset Pulse Width: 140ms (MIN.)
* Outputs Guaranteed To Be In The Correct Logic State for VCC
Down to 1V.
* Required No External Components
* Power Supply Transient Immunity
-0.3V~+6.0V 10.0uA (Typ)/ 23uA (Max) 2.63V ~ 5.0V ±2.5% SOT-23-3
*: Under  Development