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Maxim > Solutions > Base Station/Wireless Infrastructure

NV SRAM

DATA SHEETS
Display Title / Parts Key Advantages
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 256K 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 with Internal Battery PowerCap Package Battery Monitor With GPIO Supply Voltage (min) (V) Supply Voltage (max) (V)
DS1249W  NV SRAM 256K x 8 Parallel No Yes No No No 3 3.6
DS1270W  NV SRAM 2M x 8 Parallel No Yes No No No 3 3.6
DS1230AB  NV SRAM 32K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1230Y  NV SRAM 32K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1245AB  NV SRAM 128K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1245Y  NV SRAM 128K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1250AB  NV SRAM 512K x 8 Parallel No Yes Yes No No 4.75 5.25
DS1250Y  NV SRAM 512K x 8 Parallel No Yes Yes No No 4.5 5.5
DS1230W  NV SRAM 32K x 8 Parallel No Yes Yes No No 3 3.6
DS1245W  NV SRAM 128K x 8 Parallel No Yes Yes No No 3 3.6
DS1250W  NV SRAM 512K x 8 Parallel No Yes Yes No No 3 3.6
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (54)

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 Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
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
DS3605  4 1  -  Yes Yes No Yes 0/0  -  -40 to +85
DS3600  4 1 64 Yes Yes No Yes 0/0  -  -40 to +85
DS3641  5 3 1024 No Yes Yes Yes 0/0  -  -40 to +85
See All Secure Supervisors (7)

Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Functions Date/ Time Format (hh = sec/100) Interface Supply Voltage (V) Memory Type Memory Size (Bytes) Number of Time of Day Alarms
DS1556 
Watchdog Timekeeper
YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5
NV SRAM 128K 1
DS1557 
Watchdog Timekeeper
YYYY-MM-DD/ HH:MM:SS Bytewide 3.3
5
NV SRAM 512K 1
See All Timekeeping & Real-Time Clocks (85)



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