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Maxim > Solutions > PDAs and Handheld Equipment

Low Power µP Supervisors in Small Packages

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF High-Voltage, Adjustable Sequencing/Supervisory Circuits
MAX16052, MAX16053

Simple Reset and Supervisory Circuits Operate from High Voltage and are Fully Adjustable
QV  PDF Overvoltage-Protection Controller with a Low RON Internal FET
MAX4970, MAX4971, MAX4972

Up to +28V Input Voltage Protection Without External nFET in a small, 2mm x 1.5mm, 12-Bump WLP
QV  PDF Overvoltage Protector with Active Current Limit
MAX4978, MAX4979, MAX4980, MAX4981

Accurate Current Limiter with Up to +28V Input Voltage Protection in a Small, 2mm x 3mm, TDFN Package
QV  PDF Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer
MAX6854, MAX6855, MAX6856, MAX6858, MAX6860, MAX6861, MAX6862, MAX6863, MAX6864, MAX6865, MAX6866, MAX6867, MAX6868, MAX6869

Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer Ideal for Portable Applications
QV  PDF Microprocessor Supervisory Reset Circuits with Edge-Triggered, One-Shot Manual Reset
MAX6467, MAX6468
QV  PDF Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745

Low-Power, Dual-/Triple-Voltage SC70 µP Supervisory Circuits are Ideal for Portable Equipment
QV  PDF Ultra-Low-Voltage SC70 Voltage Detectors and µP Reset Circuits
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840
QV  PDF µP Supervisory Circuits in 4-Bump (2 x 2) Chip-Scale Package
MAX6400, MAX6401, MAX6402, MAX6403, MAX6404, MAX6405

Low-Power Microprocessor Supervisor in 4-Bump Chip Scale Package
QV  PDF SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390
QV  PDF 3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380

Industry's Smallest, Lowest-Power Voltage Detectors
QV  PDF 3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6326, MAX6327, MAX6328, MAX6346, MAX6347, MAX6348

Industry's Lowest-Power Reset IC Consumes Only 500nA with No External Components Required



Key Specifications:   Microprocessor Supervisors
Part Number Number of Monitored Voltages Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Industry Qualified Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6854  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6855  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6856  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6858  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1  -  SOT-23/5 9 -40 to +85
MAX6860  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1  -  SOT-23/5 9 -40 to +85
MAX6861  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6862  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6863  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6864  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6865  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6866  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6867  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6868  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6869  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1  -  SOT-23/5 9 -40 to +85
MAX6736  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6737  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6738  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input
Manual Reset 		3 10  -  SC-70/5 5 -40 to +85
0 to +70
MAX6739  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input
Manual Reset 		3 10  -  SC-70/5 5 -40 to +85
0 to +70
MAX6740  3 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input
Manual Reset 		3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6741  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6742  1
2 		0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset
Power Fail Comparator 		3 10  -  SC-70/5 5 -40 to +85
0 to +70
MAX6743  3 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input 3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6744  2 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -   -  3 30  -  SC-70/5 5 -40 to +85
0 to +70
MAX6745  1
2 		0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Power Fail Comparator 3 10  -  SC-70/5 5 -40 to +85
0 to +70
MAX6467  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 11 Automotive - General SC-70/3
SC-70/4
SOT-143/4 		5 -40 to +85
0 to +70
MAX6468  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 11 Automotive - General SC-70/3
SC-70/4
SOT-143/4 		5 -40 to +85
0 to +70
MAX6832  1 0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13  -  SC-70/3 5 -40 to +85
0 to +70
MAX6833  1 0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13  -  SC-70/3 5 -40 to +85
0 to +70
MAX6834  1 0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13  -  SC-70/3 5 -40 to +85
0 to +70
MAX6835  1 0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 2.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6836  1 0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 1.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6837  1 0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 1.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6838  1 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 1.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6839  1 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 2.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6840  1 0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 2.5 13  -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6400  1 1.8 to 2.5
2.5 to 3.3 		Push-Pull  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6401  1 1.8 to 2.5
2.5 to 3.3 		 -  Push-Pull 85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6402  1 1.8 to 2.5
2.5 to 3.3 		Open Drain  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6403  1 3.3 to 5.5 Push-Pull  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6404  1 3.3 to 5.5  -  Push-Pull 85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6405  1 3.3 to 5.5 Open Drain  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1  -  UCSP/4 1 -40 to +85
0 to +70
MAX6381  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Automotive - General MicroDFN/6
SC-70/3 		2 -40 to +125
-40 to +85
0 to +70
MAX6382  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Automotive - General SC-70/3 5 -40 to +125
-40 to +85
0 to +70
MAX6383  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Automotive - General MicroDFN/6
SC-70/3 		2 -40 to +125
-40 to +85
0 to +70
MAX6384  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6385  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6386  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		2 -40 to +125
-40 to +85
0 to +70
MAX6387  2 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input
Manual Reset 		1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6388  2 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input 1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6389  2 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Adjustable Reset Input 1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6390  1 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  >1s No Watchdog  -  Manual Reset 1.5 13 Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6375  1 1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6376  1 1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5  - 
MAX6377  1 1.8 to 2.5
2.5 to 3.3 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6378  1 2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6379  1 2.5 to 3.3
3.3 to 5.5 		Open Drain Push-Pull <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6380  1 2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6326  1 1.8 to 2.5
2.5 to 3.3 		Push-Pull  -  85ms to 300ms No Watchdog  -   -  1.5 1  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6327  1 1.8 to 2.5
2.5 to 3.3 		 -  Push-Pull 85ms to 300ms No Watchdog  -   -  1.5 1  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6328  1 1.8 to 2.5
2.5 to 3.3 		Open Drain  -  85ms to 300ms No Watchdog  -   -  1.5 1  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6346  1 3.3 to 5.5 Push-Pull  -  85ms to 300ms No Watchdog  -   -  1.5 1.75  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6347  1 3.3 to 5.5  -  Push-Pull 85ms to 300ms No Watchdog  -   -  1.5 1.75  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6348  1 3.3 to 5.5 Open Drain  -  85ms to 300ms No Watchdog  -   -  1.5 1.75  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
See All Microprocessor Supervisors (435)

Key Specifications:   Sequencers/Trackers
Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6741  Sequence Factory Fixed
R/C Adjustable 		2 <6 SC-70/5 5 -40 to +85
0 to +70
MAX6744  Sequence Factory Fixed
R/C Adjustable 		2 <6 SC-70/5 5 -40 to +85
0 to +70
See All Sequencers/Trackers (50)

Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Supervisor Functions Industry Qualified Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6854  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6855  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6856  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6858  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6860  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6861  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6862  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6863  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  1ms to 15ms
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1 Simple Reset/ Power-On Reset  -  SOT-23/5 9 -40 to +85
MAX6864  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6865  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6866  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6867  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6868  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6869  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1 Simple Reset/ Power-On Reset
Watchdog Timer 		 -  SOT-23/5 9 -40 to +85
MAX6742  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset
Power Fail Comparator 		3 10 Multivoltage Monitor
Simple Reset/ Power-On Reset 		 -  SC-70/5 5 -40 to +85
0 to +70
MAX6745  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Power Fail Comparator 3 10 Multivoltage Monitor
Simple Reset/ Power-On Reset 		 -  SC-70/5 5 -40 to +85
0 to +70
MAX6467  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 11 Push-Button Device
Simple Reset/ Power-On Reset 		Automotive - General SC-70/3
SC-70/4
SOT-143/4 		5 -40 to +85
0 to +70
MAX6468  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 11 Push-Button Device
Simple Reset/ Power-On Reset 		Automotive - General SC-70/3
SC-70/4
SOT-143/4 		5 -40 to +85
0 to +70
MAX6832  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3 5 -40 to +85
0 to +70
MAX6833  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3 5 -40 to +85
0 to +70
MAX6834  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3 5 -40 to +85
0 to +70
MAX6835  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 2.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6836  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6837  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
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 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 1.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
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 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 2.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
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 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Adjustable Reset Input 2.5 13 Simple Reset/ Power-On Reset
Voltage Detector/ Battery Monitor 		 -  SC-70/3
SC-70/4 		5 -40 to +85
0 to +70
MAX6400  1.8 to 2.5
2.5 to 3.3 		Push-Pull  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6401  1.8 to 2.5
2.5 to 3.3 		 -  Push-Pull 85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6402  1.8 to 2.5
2.5 to 3.3 		Open Drain  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6403  3.3 to 5.5 Push-Pull  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6404  3.3 to 5.5  -  Push-Pull 85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6405  3.3 to 5.5 Open Drain  -  85ms to 300ms No Watchdog  -  Manual Reset  -  1 Simple Reset/ Power-On Reset  -  UCSP/4 1 -40 to +85
0 to +70
MAX6381  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset Automotive - General MicroDFN/6
SC-70/3 		2 -40 to +125
-40 to +85
0 to +70
MAX6382  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset Automotive - General SC-70/3 5 -40 to +125
-40 to +85
0 to +70
MAX6383  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -   -  1.5 13 Simple Reset/ Power-On Reset Automotive - General MicroDFN/6
SC-70/3 		2 -40 to +125
-40 to +85
0 to +70
MAX6384  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Simple Reset/ Power-On Reset Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6385  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Simple Reset/ Power-On Reset Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6386  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog  -  Manual Reset 1.5 13 Simple Reset/ Power-On Reset Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		2 -40 to +125
-40 to +85
0 to +70
MAX6390  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  >1s No Watchdog  -  Manual Reset 1.5 13 Push-Button Device
Simple Reset/ Power-On Reset 		Automotive - General SC-70/3
SC-70/4 		5 -40 to +125
-40 to +85
0 to +70
MAX6375  1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6376  1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5  - 
MAX6377  1.8 to 2.5
2.5 to 3.3 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6378  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6379  2.5 to 3.3
3.3 to 5.5 		Open Drain Push-Pull <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6380  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -   -  2.5 0.5 Voltage Detector/ Battery Monitor  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6326  1.8 to 2.5
2.5 to 3.3 		Push-Pull  -  85ms to 300ms No Watchdog  -   -  1.5 1 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6327  1.8 to 2.5
2.5 to 3.3 		 -  Push-Pull 85ms to 300ms No Watchdog  -   -  1.5 1 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6328  1.8 to 2.5
2.5 to 3.3 		Open Drain  -  85ms to 300ms No Watchdog  -   -  1.5 1 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6346  3.3 to 5.5 Push-Pull  -  85ms to 300ms No Watchdog  -   -  1.5 1.75 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6347  3.3 to 5.5  -  Push-Pull 85ms to 300ms No Watchdog  -   -  1.5 1.75 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
MAX6348  3.3 to 5.5 Open Drain  -  85ms to 300ms No Watchdog  -   -  1.5 1.75 Simple Reset/ Power-On Reset  -  SC-70/3
SOT-23/3 		5 -40 to +85
0 to +70
See All Supervisors (1 Monitored Voltage) (275)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Supervisor Functions Industry Qualified Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6736  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  85ms to 300ms
>1s 		No Watchdog Manual