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Nonvolatile Memory (NV SRAM)



DATA SHEETS
Part Number Description Key Advantages
MAX36025 Tamper-Reactive Cryptographic-Node Controller with Nonimprinting Memory

Industry's First Security Manager with Dual Encryption Engines, Authentication, and Tamper-Detection Hierarchy
MAX36051 Security Manager with 128 Bytes of Nonimprinting Memory

Single-Chip Solution Provides Security, Tamper Detection, and Encryption-Key Destruction in Event of Tamper
DS3690 3.3V 26-Channel, Three-Stateable Transmission Gate

Highest Density Transmission Gate in the Industry; Needed for Higher Density SRAM
DS3644 1KB Secure Memory with Programmable Tamper Hierarchy

Industry's First Secure Memory with Tamper-Detection Hierarchy
DS3655 Ultra-Low-Power Tamper-Detection Circuit with Nonimprinting Memory

Single-Chip Solution Provides Security, Tamper Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper
DS3650 Security Manager with Thermal Tamper Detection

Single-Chip Solution Provides Security, Tamper Detection, and Encryption-Key Destruction in Event of Tamper
DS3640 I²C Secure Supervisor with 1KB Nonimprinting Battery-Backed Encryption Key SRAM

Single-Chip Solution Providing Security, Tamper Detection, Encryption Key Storage, and Encryption Key Destruction in Event of Tamper
MAX15006, MAX15007 40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO

Low 9µA Quiescent-Current Linear Regulators Ideal for Always-On Automotive Applications
DS3600 Secure Supervisor with 64B Nonimprinting, Battery-Backed Encryption Key SRAM

Single-Chip Solution Provides Security, Tamper Detection, Encryption Key Storage, and Encryption Key Destruction in Event of Tamper
DS1265W 3.3V 8Mb Nonvolatile SRAM

DS1249W 3.3V 2048kb Nonvolatile SRAM

DS1270W 3.3V 16Mb Nonvolatile SRAM

3.3V Nonvolatile SRAMs Provide Up to 16Mb Density
DS1743, DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs

DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1556, DS1556P 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1554 256k Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1350AB, DS1350Y 4096k Nonvolatile SRAM with Battery Monitor

DS1345AB, DS1345Y 1024k Nonvolatile SRAM with Battery Monitor

DS1330AB, DS1330Y 256k Nonvolatile SRAM with Battery Monitor

DS1270AB, DS1270Y 16M Nonvolatile SRAM

DS1265AB, DS1265Y 8M Nonvolatile SRAM

DS1250AB, DS1250Y 4096k Nonvolatile SRAM

DS1250W 3.3V 4096k Nonvolatile SRAM

DS1249AB, DS1249Y 2048k Nonvolatile SRAM

DS1245AB, DS1245Y 1024k Nonvolatile SRAM

DS1245W 3.3V 1024k Nonvolatile SRAM

DS1230AB, DS1230Y 256k Nonvolatile SRAM

DS1230W 3.3V 256k Nonvolatile SRAM

DS1225AB, DS1225AD 64k Nonvolatile SRAM

DS1220AB, DS1220AD 16k Nonvolatile SRAM




Key Specifications:

I/O Port Expanders
Part Number I/O Outputs VSUPPLY
(V)
VSUPPLY
(V)
min max
DS3690  26 26 2.7 3.6
See All I/O Port Expanders (35)

Linear Regulators
Part Number Regulators VIN
(V)
VIN
(V)
Preset VOUT
(V)
VDROPOUT @Rated ILOAD
(V)
Rated ILOAD
(mA)
ICC
(µA)
Output Voltage Noise
(µV RMS)
Ref. Bypass Low Batt./ Pwr. Fail Out Watchdog Reverse Batt. Protect. Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
min max typ max typ max w/pins
MAX15007  1 4 40
3.3
5
0.3 50 18 115 No No No No -40 to +125
SOIC(N)-EP/8
TDFN-EP/6
9.6
MAX15006  17
SOIC(N)-EP/8
TDFN-EP/6
See All Linear Regulators (146)

Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number Memory Type Memory Size Bus Type Real Time Clock DIP w/Int. Batt. Pwr. Cap Pckg. Battery Monitor GPIO VSUPPLY
(V)
VSUPPLY
(V)
min max
DS1249W  NV SRAM 256K x 8 Parallel No Yes No No No 3 3.6
DS1265W  1M x 8 Yes No No 3 3.6
DS1270W  2M x 8 Yes No No 3 3.6
DS1220AB  2K x 8 Yes No No 4.75 5.25
DS1220AD  2K x 8 Yes No No 4.5 5.5
DS1225AB  8K x 8 Yes No No 4.75 5.25
DS1225AD  8K x 8 Yes No No 4.5 5.5
DS1230AB  32K x 8 Yes Yes No 4.75 5.25
DS1230Y  32K x 8 Yes Yes No 4.5 5.5
DS1245AB  128K x 8 Yes Yes No 4.75 5.25
DS1245Y  128K x 8 Yes Yes No 4.5 5.5
DS1249AB  256K x 8 Yes No No 4.75 5.25
DS1249Y  256K x 8 Yes No No 4.5 5.5
DS1250AB  512K x 8 Yes Yes No 4.75 5.25
DS1250Y  512K x 8 Yes Yes No 4.5 5.5
DS1265AB  1M x 8 Yes No No 4.75 5.25
DS1265Y  1M x 8 Yes No No 4.5 5.5
DS1270AB  2M x 8 Yes No No 4.75 5.25
DS1270Y  2M x 8 Yes No No 4.5 5.5
DS1330AB  32K x 8 No Yes Yes 4.75 5.25
DS1330Y  32K x 8 No Yes Yes 4.5 5.5
DS1345AB  128K x 8 No Yes Yes 4.75 5.25
DS1345Y  128K x 8 No Yes Yes 4.5 5.5
DS1350AB  512K x 8 No Yes Yes 4.75 5.25
DS1350Y  512K x 8 No Yes Yes 4.5 5.5
DS1230W  32K x 8 Yes Yes No 3 3.6
DS1245W  128K x 8 Yes Yes No 3 3.6
DS1250W  512K x 8 Yes Yes No 3 3.6
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (58)

Timekeeping & Real-Time Clocks
Part Number Functions Date/ Time Format Interface VSUPPLY
(V)
Memory Type Memory Size
(Bytes)
Time of Day Alarms Integrated XTAL
hh = sec/100
DS1554  Watchdog Timekeeper YYYY-MM-DD/ HH:MM:SS Bytewide
3.3
5
NV SRAM 32K 1 No
DS1556  Watchdog Timekeeper 128K 1
DS1557  Watchdog Timekeeper 512K 1
DS1743  - 8K 0
See All Timekeeping & Real-Time Clocks (86)

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 RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
max w/pins
MAX36051  2 0 128 No No Yes Yes Yes
CSBGA/16
16 -40 to +85
DS3644  4 2 1024 Yes Yes Yes Yes
CSBGA/49
49 -55 to +95
DS3655  - 4 64 No No No No
CSBGA/16
16 -40 to +85
DS3650  2 - - No No Yes Yes
CSBGA/16
16 -40 to +85
DS3600  4 1 64 Yes Yes No Yes
CSBGA/25
25 -40 to +85
DS3640  5 3 1024 No Yes Yes Yes
CSBGA/25
25 -40 to +85
See All Security Managers (10)





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