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Maxim > 方案 > 安全系统

NV SRAM

数据资料
显示 标题/型号 关键优势
QV    超低功耗篡改检测电路，带有无痕迹存储器
DS3655

具有安全、防篡改检测、加密存储功能的单芯片方案，发生篡改事件时擦除加密数据
QV    NV SRAM控制器、RTC及监控电路，带有篡改检测
DS3650

具有安全、防篡改检测的单芯片方案，发生篡改事件时擦除加密数据
QV    兼容于SPI™的安全监控电路，具有1kB加密保护存储器
DS3641

具有安全、防篡改检测、加密存储功能的单芯片方案，发生篡改事件时擦除加密数据
QV  PDF 3.3V、单芯片、16Mb非易失SRAM
DS2070W

业内首款、也是唯一的单芯片、可回流焊接的NV SRAM模块
QV    安全监控电路，带有64B电池备份、加密SRAM
DS3600

具有安全、防篡改检测、加密存储功能的单芯片方案，发生篡改事件时擦除加密数据
QV  PDF 3.3V、单芯片、256kb非易失SRAM，带有时钟
DS3030W

DS3030W 3.3V单芯片256k非易失SRAM，集成RTC
QV  PDF 3.3V、单芯片、16Mb非易失SRAM，带有时钟
DS3070W

业内首款、也是唯一的单芯片、可回流焊接的NV SRAM模块
QV  PDF 3.3V、单芯片、4Mb非易失SRAM
DS2050W
QV  PDF 3.3V、单芯片、1Mb非易失SRAM
DS2045W
QV  PDF 3.3V、单芯片、256kb非易失SRAM
DS2030W
QV  PDF 单芯片、256k位非易失SRAM
DS2030AB, DS2030Y
QV  PDF 单芯片、1M非易失SRAM
DS2045AB, DS2045Y
QV  PDF 3.3V、8Mb非易失SRAM
DS1265W
QV  PDF 8M非易失SRAM
DS1265AB, DS1265Y
QV  PDF 4096k非易失SRAM
DS1250AB, DS1250Y
QV  PDF 3.3V、4096k非易失SRAM
DS1250W
QV  PDF 1024k非易失SRAM
DS1245AB, DS1245Y
QV  PDF 3.3V、1024k非易失SRAM
DS1245W



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 Single Piece Module Features Supply Voltage (min) (V) Supply Voltage (max) (V) Package Operating Temp. Range (°C)
DS2070W  NV SRAM 2M x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 -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 -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 -40 to +85
DS2050W  NV SRAM 512K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 -40 to +85
DS2030AB  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 4.75 5.25 MOD/256 -40 to +85
DS2030W  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 -40 to +85
DS2030Y  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 4.5 5.5 MOD/256 -40 to +85
DS2045AB  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 4.75 5.25 MOD/256 -40 to +85
DS2045W  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 -40 to +85
DS2045Y  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 4.5 5.5 MOD/256 -40 to +85
DS1265W  NV SRAM 1M x 8 Parallel No Yes No No No No  -  3 3.6 MOD/36 -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 		-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 		-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 		-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 		-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 -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 -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 		-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 		-40 to +85
0 to +70
See All Memory (EPROM, 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 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 -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 -40 to +85
See All Timekeeping & Real-Time Clocks (86)


         


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