Overview
Suggested Components
Application Notes
New Product Announcements







Single, Low-Voltage Supervisors



Data Sheets
Part Number Description Key Advantages
MAX36025 DeepCover Security Manager for Tamper-Reactive Cryptographic-Node Control with AES Encryption

Advanced Physical Security and Hardware Encryption Provide Highest Level of Security and Encryption Key Protection 
DS3644 DeepCover Security Manager with 1KB Secure Memory and Programmable Tamper Hierarchy

Tamper-Detection Hierarchy with On-Chip Nonimprinting Memory Safeguard Critical Data 
MAX6775, MAX6776, MAX6777,
...		 Low-Power, 1%-Accurate Battery Monitor in µDFN and SC70 Packages

 
MAX6841, MAX6842, MAX6843,
...		 Ultra-Low-Voltage µP Reset Circuits and Voltage Detectors

Ultra-Low-Voltage SC70 µP Supervisors Monitor Supplies Down to 0.9V with No External Components 
MAX6461, MAX6462, MAX6463,
...		 Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits

 
MAX6832, MAX6833, MAX6834,
...		 Ultra-Low-Voltage SC70 Voltage Detectors and µP Reset Circuits

 
MAX6381, MAX6382, MAX6383,
...		 SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits

 



Key Specifications:

Battery Monitors, Protectors, and Selectors
Part Number Oper. Temp.
(°C)		 Budgetary
Price
See Notes
MAX6775  -40 to +85 $1.26 @1k
See All Battery Monitors, Protectors, and Selectors (35)


Pushbutton Devices
Part Number Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Thresh.
(V)		 Reset Out tRESET Reset Thresh. Accur.
(%)		 ICC
(µA)		 Budgetary
Price
min @ +25°C max See Notes
MAX6390  1 Single Soft/Hard Reset Output 1µs
1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99
Active Low
Open Drain
 >1s 1.5 13 $1.15 @1k
See All Pushbutton Devices (17)


Security Managers
Part Number Analog Voltages Monitored Digital Inputs Monitored Internal Key Memory
(Bytes)		 Ext. Memory Cntrl. Random Number Gen. Over Voltage Monitor Battery Monitor Oper. Temp.
(°C)
MAX36025  4 2 1024 Yes Yes Yes Yes -55 to +95
DS3644 
See All Security Managers (11)


Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)		 Budgetary
Price
min @ +25°C max See Notes
MAX6775 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active Low
Push-Pull
 <1ms No Watchdog Power Fail Comparator/Low Battery Detect 1 7 $1.26 @1k
MAX6776 
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 Power Fail Comparator/Low Battery Detect 1 7 $1.24 @1k
MAX6777 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Active Low
Push-Pull
 <1ms Power Fail Comparator/Low Battery Detect 1 7 $1.63 @1k
MAX6778 
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 Power Fail Comparator/Low Battery Detect 1 7 $1.24 @1k
MAX6841 
0 to 1.2
1.2 to 1.8
Active High
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Manual Reset 2.5 20 $1.36 @1k
MAX6842 
0 to 1.2
1.2 to 1.8
Active High
Active Low
Open Drain
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Manual Reset 2.5 20 $1.42 @1k
MAX6843 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
Adjustable Reset Input
Manual Reset
 2.5 20 $1.21 @1k
MAX6844 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
Adjustable Reset Input
Manual Reset
 2.5 20 $1.36 @1k
MAX6845 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
Adjustable Reset Input
Manual Reset
 2.5 20 $1.21 @1k
MAX6461 
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 - 1 3.5 $1.24 @1k
MAX6462 
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 - 1 3.5 $1.07 @1k
MAX6463 
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 - 1 3.5 $1.24 @1k
MAX6464 
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 - 2.5 3.5 $1.42 @1k
MAX6465 
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 - 2.5 3.5 $1.07 @1k
MAX6466 
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 - 2.5 3.5 $1.42 @1k
MAX6832 
0 to 1.2
1.2 to 1.8
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 - 1.5 13 $1.16 @1k
MAX6833 
0 to 1.2
1.2 to 1.8
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 - 1.5 13 $1.13 @1k
MAX6834 
0 to 1.2
1.2 to 1.8
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 - 1.5 13 $1.16 @1k
MAX6835 
0 to 1.2
1.2 to 1.8
Active Low
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Manual Reset 2.5 13 $1.42 @1k
MAX6836 
0 to 1.2
1.2 to 1.8
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Manual Reset 1.5 13 $1.54 @1k
MAX6837 
0 to 1.2
1.2 to 1.8
Active Low
Open Drain
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Manual Reset 1.5 13 $1.16 @1k
MAX6838 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Adjustable Reset Input 1.5 13 $1.16 @1k
MAX6839 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Adjustable Reset Input 2.5 13 $1.13 @1k
MAX6840 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 Adjustable Reset Input 2.5 13 $1.42 @1k
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
 - 1.5 13 $1.00 @1k
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
 - 1.5 13 $1.15 @1k
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
 - 1.5 13 $0.95 @1k
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
 Manual Reset 1.5 13 $1.00 @1k
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
 Manual Reset 1.5 13 $1.15 @1k
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
 Manual Reset 1.5 13 $1.13 @1k
See All Supervisors (1 Monitored Voltage) (275)


Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)		 Budgetary
Price
min @ +25°C max See Notes
MAX6779  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
Push-Pull
 <1ms No Watchdog Power Fail Comparator/Low Battery Detect 1 7 $1.63 @1k
MAX6780  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 Power Fail Comparator/Low Battery Detect 1 7 $1.63 @1k
MAX6781  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
Push-Pull
 <1ms Power Fail Comparator/Low Battery Detect 1 7 $1.63 @1k
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
Adjustable Reset Input
Manual Reset
 1.5 13 $1.00 @1k
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
 Adjustable Reset Input 1.5 13 $2.01 @1k
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
 Adjustable Reset Input 1.5 13 $1.15 @1k
See All Supervisors (2 Monitored Voltages) (84)