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Ultra 3 LVD/SE 15线SCSI端接器

Maxim > 方案 > RAID数据存储系统

实时时钟

数据资料
显示 标题/型号 关键优势
QV    NV SRAM控制器，带有实时时钟和篡改检测
DS3605

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、1Mb非易失SRAM，带有时钟
DS3045W

DS3045W 3.3V单芯片1M非易失SRAM，集成RTC
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、8Mb非易失SRAM，带有时钟
DS3065W
QV  PDF I²C、32位二进制计数器看门狗RTC，带有涓流充电器和复位输入/输出
DS1374, DS1374C, DS1374U

历时计数器，提供上电复位、看门狗或闹钟、方波输出
QV  PDF I²C RTC，带有56字节非易失RAM
DS1338, DS1338C, DS1338U, DS1338Z
QV  PDF I²C串行实时时钟
DS1339, DS1339C, DS1339U

RTC的多种可编程特性为系统提供更多灵活性
QV  PDF 4M、非易失、Y2K兼容的时钟RAM
DS1557
QV  PDF 1M、非易失、Y2K兼容的时钟RAM
DS1556, DS1556P
QV  PDF Y2K兼容、看门狗实时时钟
DS1501, DS1511
QV  PDF Y2K兼容、看门狗RTC，带有非易失控制
DS1500



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)
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
DS3045W  NV SRAM 128K x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6 MOD/256 -40 to +85
DS3065W  NV SRAM 1M x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6 MOD/256 -40 to +85
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (69)

Key Specifications:   Non-Volatile RAM Controllers
Part Number CE Control Smart-Socket with Internal Battery Li Battery Monitor Power Fail Output Number of RAMs Controlled RESET Output Supply Voltage (V) Package Operating Temp. Range (°C)
DS1500  Yes No Yes No 1 Yes 3.3
5 		TSOP/32 -40 to +85
See All Non-Volatile RAM Controllers (16)

Key Specifications:   Secure Supervisors
Part Number Analog Voltages Monitored Digital Inputs Monitored External Memory Control Random Number Generator Over-Voltage Monitor Battery Monitor Operating Temp. Range (°C)
DS3605  4 1 Yes Yes No Yes -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) Time- keeping Current (typ) (nA) CL, Load Capacitance (pF) Memory Type Memory Size (Bytes) Number of Time of Day Alarms Features Package Operating Temp. Range (°C)
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
DS3045W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3  -   -  NV SRAM 128K 1
•µP Reset
•Periodic Interrupt
 MOD/256 -40 to +85
DS3065W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3  -   -  NV SRAM 1M 1
•µP Reset
•Periodic Interrupt
 MOD/256 -40 to +85
DS1500 
•NV SRAM Control
•Watchdog Timekeeper
 HH:MM:SS YY-MM-DD Bytewide 3.3
5 		 -  12.5
6 		NV SRAM 256 1
•µP Reset
•Kick-Start
•Periodic Interrupt
•Square-Wave Output
•Wake-up
 TSOP/32 -40 to +85
DS1374 
•Elapsed Time Counter
•Watchdog Timekeeper
 Binary Binary I2C 1.8
3
3.3
5 		400 6 None  -  1
•µP Reset
•Periodic Interrupt
•SOIC Package with Integrated Crystal
•Trickle Charger
 SOIC/16
uSOP/10 		-40 to +85
DS1338   -  HH:MM:SS YY-MM-DD I2C 1.8
3
3.3
5 		800 12.5 NV SRAM 56 0
•SOIC Package with Integrated Crystal
•Square-Wave Output
 SOIC/16
SOIC/8
uSOP/8 		-40 to +85
DS1339   -  HH:MM:SS YY-MM-DD I2C 2
3
3.3
5 		400 6 None  -  2
•SOIC Package with Integrated Crystal
•Square-Wave Output
•Trickle Charger
 SOIC/16
uSOP/8 		-40 to +85
DS1501 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		 -  12.5
6 		NV SRAM 256 1
•µP Reset
•Kick-Start
•Periodic Interrupt
•Square-Wave Output
•Wake-up
 PDIP/28
SOIC/28
TSOP/28 		-40 to +85
DS1511 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		 -   -  NV SRAM 256 1
•µP Reset
•Battery + Crystal
•Kick-Start
•Periodic Interrupt
•Square-Wave Output
•Wake-up
 MOD/28 0 to +70
DS1556 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		 -   -  NV SRAM 128K 1
•µP Reset
•Battery + Crystal
•Periodic Interrupt
•PowerCap Package
 MOD/32
PWRCP/34 		-40 to +85
DS1557 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		 -   -  NV SRAM 512K 1
•µP Reset
•Periodic Interrupt
•PowerCap Package
 PWRCP/34 -40 to +85
See All Timekeeping & Real-Time Clocks (86)


         


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