Overview








Microprocessor Supervisors



DATA SHEETS
Part Number Description Key Advantages
MAX6453, MAX6454, MAX6455,
...		 µP Supervisors with Separate VCC Reset and Manual Reset Outputs

µP Supervisors with Separate VCC Reset and Manual Reset Outputs Simplify Set-Top Box Design
MAX6443, MAX6444, MAX6445,
...		 µP Reset Circuits with Long Manual Reset Setup Period

µP Reset Circuits with Long Manual-Reset Setup Period Eliminate Unwanted Reset Conditions in Front-Panel Applications
MAX6457, MAX6458, MAX6459,
...		 High-Voltage, Low-Current Voltage Monitors in SOT Packages
DS1830, DS1830A Reset Sequence Pushbutton
DS1836 3.3V/5V MicroManager
DS1834, DS1834A, DS1834D Dual EconoReset with Pushbutton
DS1831, DS1831A, DS1831B Multisupply MicroMonitor™
DS1818 3.3V EconoReset with Pushbutton
DS1813 5V EconoReset with Pushbutton
DS1812 5V EconoReset with Active High Push-Pull Output
MAX6819, MAX6820 SOT23 Power-Supply Sequencers

Power Supply Sequencers for Dual/Multi-Voltage Systems Control Power On/Power Off Characteristics for Higher System Reliability
MAX6800, MAX6801, MAX6802 3-Pin, Low-Power µP Reset Circuits

3-Pin/4-Pin, Low-Power uP Reset Circuits with Manual Reset
MAX6701, MAX6701A, MAX6702,
...		 Low-Voltage, SOT23, µP Supervisors with Power-Fail In/Out, Manual Reset, and Watchdog Timer
MAX6381, MAX6382, MAX6383,
...		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
MAX6342, MAX6343, MAX6344,
...		 6-Pin µP Reset Circuit with Power-Fail Comparator
MAX6351, MAX6352, MAX6353,
...		 Dual/Triple-Voltage µP Supervisory Circuits

Industry's-First Multiple Voltage Supervisors in SOT Package
MAX823, MAX823L, MAX823M,
...		 5-Pin Microprocessor Supervisory Circuits with Watchdog Timer and Manual Reset

Industry's-First SOT Reset ICs with Watchdog and Manual Reset
MAX811, MAX812 4-Pin µP Voltage Monitors with Manual Reset Input

4-Pin SOT Reset ICs with Manual Reset
MAX803L, MAX803M, MAX803R,
...		 3-Pin Microprocessor Reset Circuits

Industry's-First 3-Pin SC70 Reset ICs



Key Specifications:

Pushbutton Devices
Part Number Monitored Voltages Manual Reset Feature MR1 Setup Time MR2 Setup Time Reset Thresh.
(V)		 Reset Out tRESET Reset Thresh. Accur.
(%)		 ICC
(µA)		 Package/Pins
min @ +25°C max
MAX6453  2 Independent Soft and Hard Reset Outputs 1µs -
1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/6
MAX6454  2 Independent Soft and Hard Reset Outputs 1µs -
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/6
MAX6455  2 Independent Soft and Hard Reset Outputs
1µs (Soft)
3.36s (Hard)
 -
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/6
MAX6456  2 Independent Soft and Hard Reset Outputs
1µs (Soft)
3.36s (Hard)
 -
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/6
MAX6443  1 Extended Setup Period 6.72s -
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/4
MAX6444  1 Extended Setup Period 6.72s -
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/4
MAX6445  1 Extended Setup Period 6.72s 6.72s
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/5
MAX6446  1 Extended Setup Period 6.72s 6.72s
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/5
MAX6447  1 Extended Setup Period 6.72s 1µs
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/5
MAX6448  1 Extended Setup Period 6.72s 1µs
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/5
MAX6449  2 Extended Setup Period 6.72s 6.72s
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/6
MAX6450  2 Extended Setup Period 6.72s 6.72s
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/6
MAX6451  2 Extended Setup Period 6.72s 1µs
Active Low
Push-Pull
 85ms to 300ms 2.5 16
SOT/6
MAX6452  2 Extended Setup Period 6.72s 1µs
Active Low
Open Drain
 85ms to 300ms 2.5 16
SOT/6
MAX6390  1 Single Soft/Hard Reset Output 1µs -
Active Low
Open Drain
 >1s 1.5 13
µDFN/6
SC70/4
See All Pushbutton Devices (17)

Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Industry Qualified Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
DS1830  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Reset Output Yes - -40 to +85
µMAX/8
PDIP(N)/8
SOIC(N)/8
 15.6
DS1830A  Reset Output - -40 to +85
µMAX/8
PDIP(N)/8
SOIC(N)/8
 15.6
MAX6819  Enable Input Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
MAX6820  - Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
See All Power-Supply Sequencers and Voltage Trackers (55)

Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX6457 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active Low
Open Drain
85ms to 300ms
<1ms
 No Watchdog -
High Voltage (>6V)
Latched Output
 - 12.5
MAX6458 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active Low
Open Drain
85ms to 300ms
<1ms
 No Watchdog -
High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
 - 12.5
MAX6460 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active High
Open Drain
 <1ms No Watchdog -
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
MAX803 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog - - 1.5 60
MAX809 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog - - 1.5 60
MAX810 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
 85ms to 300ms No Watchdog - - 1.5 60
MAX6800 
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
 No Watchdog - - - 12
MAX6801 
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
 No Watchdog - - - 12
MAX6802 
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
 No Watchdog - - - 12
DS1812  3.3 to 5.5
Active High
Push-Pull
 85ms to 300ms No Watchdog - - 2.5 40
DS1813  3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog - Manual Reset 2.5 40
DS1818  2.5 to 3.3
Active Low
Open Drain
 85ms to 300ms No Watchdog - Manual Reset 2.5 35
MAX6704 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Active Low
Push-Pull
 85ms to 300ms Input (WDI) 1s to 2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 - 25
MAX6705 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 - 25
MAX6706 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
 85ms to 300ms
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 - 25
MAX6707 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 - 25
MAX6708 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Active Low
Push-Pull
 85ms to 300ms No Watchdog -
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 - 25
MAX823 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms Input (WDI) 1s to 2s Manual Reset - 24
MAX824 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Active Low
Push-Pull
 85ms to 300ms Input (WDI) 1s to 2s - - 24
MAX825 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Active Low
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset - 12
MAX6381 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - - 1.5 13
MAX6382 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - - 1.5 13
MAX6383 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - - 1.5 13
MAX6384 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6385 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6386 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Manual Reset 1.5 13
MAX811 
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset 1.5 15
MAX812 
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset 1.5 15
MAX6342 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog -
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 1.5 40
MAX6343 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog -
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 1.5 40
MAX6344 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
 85ms to 300ms No Watchdog -
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 1.5 40
MAX6345 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Active Low
Push-Pull
 85ms to 300ms No Watchdog -
Adjustable Reset Input
Manual Reset
Power Fail Comparator/Low Battery Detect
 1.5 40
See All Supervisors (1 Monitored Voltage) (274)

Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX6459  R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active Low
Open Drain
 <1ms No Watchdog -
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
DS1834  Factory Fixed
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog -
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 50
DS1834A  Factory Fixed
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog -
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 50
DS1834D  Factory Fixed
2.5 to 3.3
3.3 to 5.5
 - 85ms to 300ms No Watchdog -
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 50
MAX6351  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset 1.5 50
MAX6352  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms No Watchdog - Manual Reset 1.5 50
MAX6353  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset 1.5 50
MAX6354  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms No Watchdog - Manual Reset 1.5 50
MAX6358  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 85ms to 300ms
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Manual Reset 1.5 50
MAX6359  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Manual Reset 1.5 50
MAX6360  Factory Fixed
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms
Extended Setup Period
Input (WDI)
1s to 2s
>2s
 Manual Reset 1.5 50
MAX6387 
Factory Fixed
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog -
Adjustable Reset Input
Manual Reset
 1.5 13
MAX6388 
Factory Fixed
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Adjustable Reset Input 1.5 13
MAX6389 
Factory Fixed
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 No Watchdog - Adjustable Reset Input 1.5 13
See All Supervisors (2 Monitored Voltages) (84)

Supervisors (3 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX6701 
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 85ms to 300ms
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s
Adjustable Reset Input
Manual Reset
 - 25
MAX6702 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s - 25
MAX6703 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
Input (WDI)
Input/Output (WDI/WDO)
 1s to 2s - 25
MAX6355 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
 No Watchdog - 1.5 50
MAX6356 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 No Watchdog - 1.5 50
MAX6357 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active Low
Push-Pull
 No Watchdog - 1.5 50
See All Supervisors (3 Monitored Voltages) (32)

Supervisors (4 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
DS1831A 
Factory Fixed
R/C Adjustable
2.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
15ms to 85ms
85ms to 300ms
300ms to 1s
Input/Output (WDI/WDO)
Pin Selectable
1s to 2s
<1s
 Manual Reset 2.5 100
DS1831B  No Watchdog -
See All Supervisors (4 Monitored Voltages) (26)





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