ENGLISH 简体中文 日本語 한국어 



 
Overview

 


Suggested Components

 
Application Notes
 
New Product Announcements







Maxim > Solutions > Security Systems

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  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 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 8Mb Nonvolatile SRAM
DS1265W

QV  PDF 8M Nonvolatile SRAM
DS1265AB, DS1265Y

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




Key Specifications:   Memory (EPROM, SRAM, 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 Single Piece Module Features Supply Voltage (min) (V) Supply Voltage (max) (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2070W  NV SRAM 2M x 8 Parallel No No No No No Yes
µP Reset
3 3.6 MOD/256 729 -40 to +85
DS3070W  NV SRAM 2M x 8 Parallel Yes No No No No Yes
µP Reset
Periodic Interrupt
3 3.6 MOD/256 729 -40 to +85
DS3030W  NV SRAM 32k x 8 Parallel Yes No No No No Yes
µP Reset
Periodic Interrupt
3 3.6 MOD/256 729 -40 to +85
DS2050W  NV SRAM 512k x 8 Parallel No No No No No Yes
µP Reset
3 3.6 MOD/256 729 -40 to +85
DS2030AB  NV SRAM 32k x 8 Parallel No No No No No Yes
µP Reset
4.75 5.25 MOD/256 729 -40 to +85
DS2030W  NV SRAM 32k x 8 Parallel No No No No No Yes
µP Reset
3 3.6 MOD/256 729 -40 to +85
DS2030Y  NV SRAM 32k x 8 Parallel No No No No No Yes
µP Reset
4.5 5.5 MOD/256 729 -40 to +85
DS2045AB  NV SRAM 128k x 8 Parallel No No No No No Yes
µP Reset
4.75 5.25 MOD/256 729 -40 to +85
DS2045W  NV SRAM 128k x 8 Parallel No No No No No Yes
µP Reset
3 3.6 MOD/256 729 -40 to +85
DS2045Y  NV SRAM 128k x 8 Parallel No No No No No Yes
µP Reset
4.5 5.5 MOD/256 729 -40 to +85
DS1265W  NV SRAM 1M x 8 Parallel No Yes No No No No  -  3 3.6 MOD/36 862 -40 to +85
0 to +70
DS1245AB  NV SRAM 128k x 8 Parallel No Yes Yes No No No  -  4.75 5.25 MOD/32
PWRCP/34
607 -40 to +85
0 to +70
DS1245Y  NV SRAM 128k x 8 Parallel No Yes Yes No No No  -  4.5 5.5 LPM/34
MOD/32
PWRCP/34
607 -40 to +85
0 to +70
DS1250AB  NV SRAM 512k x 8 Parallel No Yes Yes No No No  -  4.75 5.25 MOD/32
PWRCP/34
607 -40 to +85
0 to +70
DS1250Y  NV SRAM 512k x 8 Parallel No Yes Yes No No No  -  4.5 5.5 LPM/34
MOD/32
PWRCP/34
607 -40 to +85
0 to +70
DS1265AB  NV SRAM 1M x 8 Parallel No Yes No No No No  -  4.75 5.25 MOD/36 862 -40 to +85
0 to +70
DS1265Y  NV SRAM 1M x 8 Parallel No Yes No No No No  -  4.5 5.5 MOD/36 862 -40 to +85
0 to +70
DS1245W  NV SRAM 128k x 8 Parallel No Yes Yes No No No  -  3 3.6 MOD/32
PWRCP/34
607 -40 to +85
0 to +70
DS1250W  NV SRAM 512k x 8 Parallel No Yes Yes No No No  -  3 3.6 MOD/32
PWRCP/34
607 -40 to +85
0 to +70
See All Memory (EPROM, SRAM, EEPROM, ROM, NV SRAM) (69)

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)

Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Functions Time Format (hh = sec/100) Date Format Interface Supply Voltage (V) Memory Type Memory Size (Bytes) Number of Time of Day Alarms Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS3070W 
Watchdog Timekeeper
HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 2M 1
µP Reset
Periodic Interrupt
MOD/256 729 -40 to +85
DS3030W 
Watchdog Timekeeper
HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 32k 1
µP Reset
Periodic Interrupt
MOD/256 729 -40 to +85
See All Timekeeping & Real-Time Clocks (86)





         


      Privacy Policy    Legal Notices

      Copyright © 2008 by Maxim Integrated Products, Dallas Semiconductor