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Maxim > Solutions > Security Systems

Battery Backup

DATA SHEETS
Display Title/Parts Key Advantages
QV    NV SRAM Security Manager with 128 Bytes of Internal Nonimprinting Memory, RTC, and Supervisor with Tamper Detection
MAX36051B

Single-Chip Solution Provides Security, Tamper Detection, and Encryption-Key Destruction in Event of Tamper
QV  PDF Low-Power μP Supervisory Circuits with Battery-Backup Circuit and Chip-Enable Gating
MAX16016, MAX16020, MAX16021

Industry's Most Sophisticated Battery-Backup Supervisory Circuits with Chip-Enable Gating and Power-Supply Monitoring
QV  PDF Low-Power Battery Backup Circuits in Small µDFN Packages
MAX16033, MAX16034, MAX16035, MAX16036, MAX16037, MAX16038, MAX16039, MAX16040

Industry's Smallest Supervisors Offer Precision Power-Supply Monitoring with Battery Backup
QV    Ultra-Low-Power Tamper-Detection Circuit with Nonimprinting Memory
DS3655

Single-Chip Solution Provides Security, Tamper Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper
QV    NV SRAM Controller, RTC, and Supervisor with Tamper Detection
DS3650

Single-Chip Solution Provides Security, Tamper Detection, and Encryption-Key Destruction in Event of Tamper
QV    SPI™-Compatible Secure Supervisor with 1kB Nonimprinting Key Memory
DS3641

Single-Chip Solution Provides Security, Tamper-Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper
QV    Secure Supervisor with 64B Nonimprinting, Battery-Backed Encryption Key SRAM
DS3600

Single-Chip Solution Provides Security, Tamper Detection, Encryption Key Storage, and Encryption Key Destruction in Event of Tamper
QV  PDF SOT23, Low-Power µP Supervisory Circuits with Battery Backup and Chip-Enable Gating
MAX6365, MAX6365H, MAX6365L, MAX6365P, MAX6366, MAX6366H, MAX6366L, MAX6366P, MAX6367, MAX6367H, MAX6367L, MAX6367P, MAX6368, MAX6368H, MAX6368L, MAX6368P

Industry's Only SOT23 µP Supervisory Circuit with Battery Backup and Chip-Enable Gating
QV  PDF SOT23, Low-Power Microprocessor Supervisory Circuits with Battery Backup
MAX6361, MAX6361H, MAX6361L, MAX6361P, MAX6362, MAX6362H, MAX6362L, MAX6362P, MAX6363, MAX6363H, MAX6363L, MAX6363P, MAX6364, MAX6364H, MAX6364L, MAX6364P
QV  PDF Microprocessor Supervisory Circuits
MAX690, MAX691, MAX692, MAX693, MAX694, MAX695

Industry-Standard, Full-Function µP Supervisor
QV  PDF 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits
MAX793, MAX793R, MAX793S, MAX793T, MAX794, MAX795, MAX795R, MAX795S, MAX795T

Full-Function Battery-Backup ICs for 3V/3.3V Systems



Key Specifications:  Battery Backup Circuits
Part Number Reset Thresh.
(V)		 Reset Out Reset Out ICC
(µA)		 Features RoHS Available Industry Qualified Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)
Active Low Active High max max w/pins
MAX16016 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 5
Batt Freshness Seal
Battery On
Manual Reset
Power Fail Comparator
Watchdog
 Yes - -40 to +85
TDFN-EP/10
 9.6
MAX16020 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 5
Batt Freshness Seal
Battery On
Chip Enable Gate
Low Line
Manual Reset
Power Fail Comparator
Watchdog
 - -40 to +85
TQFN/16
 16.8
MAX16021 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
Open Drain
Push-Pull
 5
Batt Freshness Seal
Battery On
Chip Enable Gate
Low Line
Manual Reset
Power Fail Comparator
Watchdog
 - -40 to +85
TQFN/16
 16.8
MAX16033 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Chip Enable Gate
Manual Reset
Power Fail Comparator
 - -40 to +85
µDFN/10
 4.2
MAX16034 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Chip Enable Gate
Power Fail Comparator
Watchdog
 - -40 to +85
µDFN/10
 4.2
MAX16035 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Battery On
Chip Enable Gate
Power Fail Comparator
 - -40 to +85
µDFN/10
 4.2
MAX16036 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Adjustable Reset Input
Chip Enable Gate
Power Fail Comparator
 - -40 to +85
µDFN/10
 4.2
MAX16037 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Manual Reset
Power Fail Comparator
 - -40 to +85
µDFN/8
 4.2
MAX16038 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Power Fail Comparator
Watchdog
 - -40 to +85
µDFN/8
 4.2
MAX16039 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Battery On
Power Fail Comparator
 - -40 to +85
µDFN/8
 4.2
MAX16040 
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Open Drain
Push-Pull
 - 50
Adjustable Reset Input
Power Fail Comparator
 - -40 to +85
µDFN/8
 4.2
MAX6365H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50
Chip Enable Gate
Manual Reset
 - -40 to +85
SOT/8
 9
MAX6365L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50
Chip Enable Gate
Manual Reset
 - -40 to +85
SOT/8
 9
MAX6365P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50
Chip Enable Gate
Manual Reset
 - -40 to +85
SOT/8
 9
MAX6366H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50
Chip Enable Gate
Watchdog
 - -40 to +85
SOT/8
 9
MAX6366L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50
Chip Enable Gate
Watchdog
 - -40 to +85
SOT/8
 9
MAX6366P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50
Chip Enable Gate
Watchdog
 - -40 to +85
SOT/8
 9
MAX6367H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50
Battery On
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6367L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50
Battery On
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6367P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50
Battery On
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6368H 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50
Adjustable Reset Input
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6368L 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50
Adjustable Reset Input
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6368P 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50
Adjustable Reset Input
Chip Enable Gate
 - -40 to +85
SOT/8
 9
MAX6361H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50 Manual Reset - -40 to +85
SOT/6
 9
MAX6361L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50 Manual Reset - -40 to +85
SOT/6
 9
MAX6361P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50 Manual Reset - -40 to +85
SOT/6
 9
MAX6362H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50 Watchdog - -40 to +85
SOT/6
 9
MAX6362L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50 Watchdog - -40 to +85
SOT/6
 9
MAX6362P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50 Watchdog - -40 to +85
SOT/6
 9
MAX6363H 
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50 Battery On - -40 to +85
SOT/6
 9
MAX6363L 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50 Battery On - -40 to +85
SOT/6
 9
MAX6363P 
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50 Battery On - -40 to +85
SOT/6
 9
MAX6364H 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 - Open Drain 50 Adjustable Reset Input - -40 to +85
SOT/6
 9
MAX6364L 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 50 Adjustable Reset Input - -40 to +85
SOT/6
 9
MAX6364P 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - 50 Adjustable Reset Input - -40 to +85
SOT/6
 9
MAX793  2.5 to 3.3 Open Drain Push-Pull 60
Adjustable Reset Input
Battery On
Chip Enable Gate
Low Line
Manual Reset
Power Fail Comparator
Watchdog
 -
-40 to +85
0 to +70
PDIP(N)/16
SOIC(N)/16
 61.9
MAX794 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain Push-Pull 60
Adjustable Reset Input
Battery On
Chip Enable Gate
Low Line
Manual Reset
Power Fail Comparator
Watchdog
 -
-40 to +85
0 to +70
PDIP(N)/16
SOIC(N)/16
 158.4
MAX795  2.5 to 3.3 Open Drain - 50
Battery On
Chip Enable Gate
 -
-40 to +85
0 to +70
PDIP(N)/8
SOIC(N)/8
 81.9
MAX690  4.5 to 5.0 Push-Pull - 5000
Adjustable Reset Input
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/8
FPCK/10
LCC/20
PDIP(N)/8
 79.7
MAX691  4.5 to 5.0 Push-Pull Push-Pull 5000
Adjustable Reset Input
Battery On
Chip Enable Gate
Low Line
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/16
LCC/20
PDIP(N)/16
SOIC(W)/16
 158.4
MAX692  4.0 to 4.5 Push-Pull - 5000
Adjustable Reset Input
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/8
PDIP(N)/8
 79.7
MAX693  4.0 to 4.5 Push-Pull Push-Pull 5000
Adjustable Reset Input
Battery On
Chip Enable Gate
Low Line
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/16
LCC/20
PDIP(N)/16
SOIC(W)/16
 158.4
MAX694  4.5 to 5.0 Push-Pull - 5000
Adjustable Reset Input
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/8
LCC/20
PDIP(N)/8
 79.7
MAX695  4.5 to 5.0 Push-Pull Push-Pull 5000
Adjustable Reset Input
Battery On
Chip Enable Gate
Low Line
Power Fail Comparator
Watchdog
 MIL-STD-883B
-55 to +125
-40 to +85
0 to +70
CDIP(N)/16
PDIP(N)/16
SOIC(W)/16
 158.4
See All Battery Backup Circuits (86)

Key Specifications:  Secure Supervisors
Part Number Analog Voltages Monitored Digital Inputs Monitored Internal Key Memory
(Bytes)		 Ext. Memory Cntrl. Random Number Gen. Over Voltage Monitor Battery Monitor RoHS Available Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max w/pins
DS3655  - 4 64 No No No No Yes
CSBGA/16
 16 -40 to +85
DS3650  2 - - No No Yes Yes
CSBGA/16
 16
DS3600  4 1 64 Yes Yes No Yes
CSBGA/25
 25
DS3641  5 3 1024 No Yes Yes Yes
CSBGA/25
 25
See All Secure Supervisors (7)



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