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Ultra 3 LVD/SE 15 Line SCSI Terminator

Maxim > Solutions > RAID Data Storage Systems

Real-Time Clocks

DATA SHEETS
Display Title/Parts Key Advantages
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 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 8Mb Nonvolatile SRAM with Clock
DS3065W

QV  PDF I²C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
DS1374, DS1374C, DS1374U

Elapsed Time Counter Provides Power-On Reset, Watchdog or Alarm, and Square Wave
QV  PDF I²C RTC with 56-Byte NV RAM
DS1338, DS1338C, DS1338U, DS1338Z

QV  PDF I²C Serial Real-Time Clock
DS1339, DS1339C, DS1339U

RTC Provides System Flexibility with Multiple Programmable Features
QV  PDF 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1557

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

QV  PDF Y2K-Compliant Watchdog Real-Time Clocks
DS1501, DS1511

QV  PDF Y2K-Compliant Watchdog RTC with NV Control
DS1500




Key Specifications:  Non-Volatile RAM Controllers
Part Number CE Cntrl. Smart Socket w/Int. Batt. Li Batt. Monitor Pwr. Fail Out RAMs Controlled Reset Out VSUPPLY
(V)
RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
max w/pins
DS1500  Yes No Yes No 1 Yes
3.3
5
Yes
TSOP/32
168.1 -40 to +85
See All Non-Volatile RAM Controllers (13)

Key Specifications:  Timekeeping & Real-Time Clocks
Part Number Functions Date/ Time Format Interface VSUPPLY
(V)
Time Keeping Current
(nA)
CL
(pF)
Memory Type Memory Size
(Bytes)
Time of Day Alarms
hh = sec/100 typ
DS1374 
Elapsed Time Counter
Watchdog Timekeeper
Binary I2C
1.8
3
3.3
5
400 6 None - 1
DS1338  - YY-MM-DD/ HH:MM:SS I2C
1.8
3
3.3
5
800 12.5 NV SRAM 56 0
DS1339  - YY-MM-DD/ HH:MM:SS I2C
2
3
3.3
5
400 6 None - 2
DS1500 
NV SRAM Control
Watchdog Timekeeper
YY-MM-DD/ HH:MM:SS Bytewide
3.3
5
-
6
12.5
NV SRAM 256 1
DS1501  Watchdog Timekeeper YYYY-MM-DD/ HH:MM:SS Bytewide
3.3
5
-
6
12.5
NV SRAM 256 1
DS1511  Watchdog Timekeeper YYYY-MM-DD/ HH:MM:SS Bytewide
3.3
5
- - NV SRAM 256 1
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 (80)

Key Specifications:  Secure Supervisors
Part Number Analog Voltages Monitored Digital Inputs Monitored 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
DS3605  4 1 Yes Yes No Yes Yes
CSBGA/25
25 -40 to +85
See All Secure Supervisors (7)



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