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Maxim > Solutions > Base Station/Wireless Infrastructure

NV SRAM

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    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    NV SRAM Controller with Real-Time Clock and Thermal Tamper Detection
DS3605

Single-Chip Solution Provides Security, Tamper Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper
QV  PDF 3.3V Single-Piece 16Mb Nonvolatile SRAM
DS2070W

Industry's First and Only Single-Piece, Reflowable NVSRAM Module
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 3.3V Single-Piece 1Mb Nonvolatile SRAM with Clock
DS3045W

DS3045W 3.3V Single Piece 1M Nonvolatile SRAM with Integrated RTC
QV  PDF 3.3V Single-Piece 256kb Nonvolatile SRAM with Clock
DS3030W

DS3030W 3.3V Single Piece 256kb Nonvolatile SRAM with Integrated RTC
QV  PDF 3.3V Single-Piece 16Mb Nonvolatile SRAM with clock
DS3070W

Industry's First and Only Single-Piece, Reflowable NVSRAM Module
QV  PDF 3.3V Single-Piece 4Mb Nonvolatile SRAM
DS2050W

QV  PDF 3.3V Single-Piece 1Mb Nonvolatile SRAM
DS2045W

QV  PDF 3.3V Single-Piece 256kb Nonvolatile SRAM
DS2030W

QV  PDF Single-Piece 256Kb Nonvolatile SRAM
DS2030AB, DS2030Y

QV  PDF Single-Piece 1Mb Nonvolatile SRAM
DS2045AB, DS2045Y

QV  PDF 3.3V 2048kb Nonvolatile SRAM
DS1249W

QV  PDF 3.3V 16Mb Nonvolatile SRAM
DS1270W

3.3V Nonvolatile SRAMs Provide Up to 16Mb Density
QV  PDF 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1557

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

QV  PDF 4096k Nonvolatile SRAM
DS1250AB, DS1250Y

QV  PDF 3.3V 4096k Nonvolatile SRAM
DS1250W

QV  PDF 1024k Nonvolatile SRAM
DS1245AB, DS1245Y

QV  PDF 3.3V 1024k Nonvolatile SRAM
DS1245W

QV  PDF 256k Nonvolatile SRAM
DS1230AB, DS1230Y

QV  PDF 3.3V 256k Nonvolatile SRAM
DS1230W




Key Specifications:  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 With GPIO VSUPPLY
(V)
VSUPPLY
(V)
min max
DS1249W  NV SRAM 256K x 8 Parallel No Yes No No No 3 3.6
DS1270W  2M x 8 No 3 3.6
DS1230AB  32K x 8 Yes 4.75 5.25
DS1230Y  32K x 8 Yes 4.5 5.5
DS1245AB  128K x 8 Yes 4.75 5.25
DS1245Y  128K x 8 Yes 4.5 5.5
DS1250AB  512K x 8 Yes 4.75 5.25
DS1250Y  512K x 8 Yes 4.5 5.5
DS1230W  32K x 8 Yes 3 3.6
DS1245W  128K x 8 Yes 3 3.6
DS1250W  512K x 8 Yes 3 3.6
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (52)

Key Specifications:  Timekeeping & Real-Time Clocks
Part Number Functions Date/ Time Format Interface VSUPPLY
(V)
Memory Type Memory Size
(Bytes)
Time of Day Alarms
hh = sec/100
DS1556  Watchdog Timekeeper YYYY-MM-DD/ HH:MM:SS Bytewide
3.3
5
NV SRAM 128K 1
DS1557  512K
See All Timekeeping & Real-Time Clocks (80)

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
DS3605  4 1 - Yes Yes No Yes
CSBGA/25
25
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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