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Maxim > Solutions > Computers: Desktops, Workstations, and Servers

Single, Low-Voltage Supervisors

DATA SHEETS
Display Title/Parts Key Advantages
QV    1k x 8 Secure Memory with Programmable Tamper-Detection Hierarchy and RTC
MAX36025B, MAX36025B+TRL

Industry's First Security Manager with Dual Encryption Engines, Authentication, and Tamper-Detection Hierarchy
QV    8k x 8 Secure Memory with Programmable Tamper-Response Hierarchy and RTC
DS3665

Industry's First 8kB Secure Memory with Tamper-Response Hierarchy
QV    1KB Secure Memory with Programmable Tamper Hierarchy
DS3644

Industry's First Secure Memory with Tamper-Detection Hierarchy
QV  PDF Low-Power, 1%-Accurate Battery Monitor in µDFN and SC70 Packages
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
QV  PDF Ultra-Low-Voltage µP Reset Circuits and Voltage Detectors
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845

Ultra-Low-Voltage SC70 µP Supervisors Monitor Supplies Down to 0.9V with No External Components
QV  PDF Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
QV  PDF Ultra-Low-Voltage SC70 Voltage Detectors and µP Reset Circuits
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840
QV  PDF SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390



Key Specifications:  Battery Protectors, Selectors and Monitors
Part Number Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max w/pins
MAX6775 
µDFN/6
SC70/5
 1.6 -40 to +85
See All Battery Protectors, Selectors and Monitors (26)

Key Specifications:  Pushbutton Devices
Part Number Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Thresh.
(V)		 Reset Out tRESET Reset Thresh. Accur.
(%)		 ICC
(µA)		 Package/Pins
min @ +25°C max
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
µDFN/6
SC70/4
See All Pushbutton Devices (17)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
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
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
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
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
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
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
See All Supervisors (2 Monitored Voltages) (84)



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