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Maxim > Solutions > Security Systems

Battery Backup

DATA SHEETS
Display Title / Parts Key Advantages
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 Threshold Range (V) Active-Low Reset Output Active-High Reset Output Max. ICC (µA) Features Industry Qualified Package Operating Temp. Range (°C)
MAX16016  NEW! 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
  -  THIN QFN (Dual)/10 -40 to +85
MAX16020  NEW! 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
  -  THIN QFN/16 -40 to +85
MAX16021  NEW! 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
  -  THIN QFN/16 -40 to +85
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
  -  MicroDFN/10 -40 to +85
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
  -  MicroDFN/10 -40 to +85
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
  -  MicroDFN/10 -40 to +85
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
  -  MicroDFN/10 -40 to +85
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
  -  MicroDFN/8 -40 to +85
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
  -  MicroDFN/8 -40 to +85
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
  -  MicroDFN/8 -40 to +85
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
  -  MicroDFN/8 -40 to +85
MAX6365H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Chip Enable Gate
•Manual Reset
  -  SOT-23/8 -40 to +85
MAX6365L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Chip Enable Gate
•Manual Reset
  -  SOT-23/8 -40 to +85
MAX6365P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Chip Enable Gate
•Manual Reset
  -  SOT-23/8 -40 to +85
MAX6366H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Chip Enable Gate
•Watchdog
  -  SOT-23/8 -40 to +85
MAX6366L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Chip Enable Gate
•Watchdog
  -  SOT-23/8 -40 to +85
MAX6366P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Chip Enable Gate
•Watchdog
  -  SOT-23/8 -40 to +85
MAX6367H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Battery On
•Chip Enable Gate
  -  SOT-23/8 -40 to +85
MAX6367L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Battery On
•Chip Enable Gate
  -  SOT-23/8 -40 to +85
MAX6367P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Battery On
•Chip Enable Gate
  -  SOT-23/8 -40 to +85
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
  -  SOT-23/8 -40 to +85
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
  -  SOT-23/8 -40 to +85
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
  -  SOT-23/8 -40 to +85
MAX6361H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Manual Reset
  -  SOT-23/6 -40 to +85
MAX6361L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Manual Reset
  -  SOT-23/6 -40 to +85
MAX6361P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Manual Reset
  -  SOT-23/6 -40 to +85
MAX6362H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Watchdog
  -  SOT-23/6 -40 to +85
MAX6362L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Watchdog
  -  SOT-23/6 -40 to +85
MAX6362P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Watchdog
  -  SOT-23/6 -40 to +85
MAX6363H  2.5 to 3.3
3.3 to 5.5 		 -  Open Drain 50
•Battery On
  -  SOT-23/6 -40 to +85
MAX6363L  2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  50
•Battery On
  -  SOT-23/6 -40 to +85
MAX6363P  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  50
•Battery On
  -  SOT-23/6 -40 to +85
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
  -  SOT-23/6 -40 to +85
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
  -  SOT-23/6 -40 to +85
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
  -  SOT-23/6 -40 to +85
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
  -  PDIP/16
SOIC/16 		-40 to +85
0 to +70
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
  -  PDIP/16
SOIC/16 		-40 to +85
0 to +70
MAX795  2.5 to 3.3 Open Drain  -  50
•Battery On
•Chip Enable Gate
  -  PDIP/8
SOIC/8 		-40 to +85
0 to +70
MAX690  3.3 to 5.5 Push-Pull  -  5000
•Adjustable Reset Input
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/8
FPCK/10
LCC/20
PDIP/8 		-40 to +85
-55 to +125
0 to +70
MAX691  3.3 to 5.5 Push-Pull Push-Pull 5000
•Adjustable Reset Input
•Battery On
•Chip Enable Gate
•Low Line
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/16
LCC/20
PDIP/16
SOIC/16 		-40 to +85
-55 to +125
0 to +70
MAX692  3.3 to 5.5 Push-Pull  -  5000
•Adjustable Reset Input
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/8
PDIP/8 		-40 to +85
-55 to +125
0 to +70
MAX693  3.3 to 5.5 Push-Pull Push-Pull 5000
•Adjustable Reset Input
•Battery On
•Chip Enable Gate
•Low Line
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/16
LCC/20
PDIP/16
SOIC/16 		-40 to +85
-55 to +125
0 to +70
MAX694  3.3 to 5.5 Push-Pull  -  5000
•Adjustable Reset Input
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/8
LCC/20
PDIP/8 		-40 to +85
-55 to +125
0 to +70
MAX695  3.3 to 5.5 Push-Pull Push-Pull 5000
•Adjustable Reset Input
•Battery On
•Chip Enable Gate
•Low Line
•Power Fail Comparator
•Watchdog
 MIL-STD-883B Ceramic DIP/16
PDIP/16
SOIC/16 		-40 to +85
-55 to +125
0 to +70
See All Battery Backup Circuits (92)

Key Specifications:   Secure Supervisors
Part Number Analog Voltages Monitored Digital Inputs Monitored Internal Key Memory (Bytes) External Memory Control Random Number Generator Over-Voltage Monitor Battery Monitor Operating Temp. Range (°C)
DS3650  2  -   -  No No Yes Yes -40 to +85
DS3600  4 1 64 Yes Yes No Yes -40 to +85
DS3641  5 3 1024 No Yes Yes Yes -40 to +85
DS3655   -  4 64 No No No No -40 to +85
See All Secure Supervisors (7)


         


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