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Maxim > Solutions > Network Hubs, Switches, and Routers

Nonvolatile Memory

DATA SHEETS
Display Title / Parts Key Advantages
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 1Mb Nonvolatile SRAM
DS2045L
QV  PDF 3.3V Single-Piece 256Kb Nonvolatile SRAM
DS2030L
QV  PDF 3.3V Single-Piece 8Mb Nonvolatile SRAM with Clock
DS3065W
QV  PDF 3.3V Single-Piece 8Mb Nonvolatile SRAM
DS2065W
QV  PDF 3.3V Single-Piece 4Mb Nonvolatile SRAM
DS2050W
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 3.3V 2048k Nonvolatile SRAM
DS1249W
QV  PDF 3.3V 16Mb Nonvolatile SRAM
DS1270W

3.3V Nonvolatile SRAMs Provide Up to 16Mb Density
QV  PDF Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1747, DS1747P
QV  PDF Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1746, DS1746P
QV  PDF 4096k Nonvolatile SRAM with Battery Monitor
DS1350AB, DS1350Y
QV  PDF 1024k Nonvolatile SRAM with Battery Monitor
DS1345AB, DS1345Y
QV  PDF 256k Nonvolatile SRAM with Battery Monitor
DS1330AB, DS1330Y
QV  PDF 16M Nonvolatile SRAM
DS1270AB, DS1270Y
QV  PDF 8M Nonvolatile SRAM
DS1265AB, DS1265Y
QV  PDF 128k x 16 Nonvolatile SRAM
DS1258AB, DS1258Y
QV  PDF 2M x 8 NV SRAM with Phantom Clock
DS1254, DS1254W, DS1254Y
QV  PDF 4096k NV SRAM with Phantom Clock
DS1251, DS1251P
QV  PDF 4096k Nonvolatile SRAM
DS1250AB, DS1250Y
QV  PDF 2048k Nonvolatile SRAM
DS1249AB, DS1249Y
QV  PDF 1024k NV SRAM with Phantom Clock
DS1248, DS1248P
QV  PDF 1024k Nonvolatile SRAM
DS1245AB, DS1245Y
QV  PDF 256k Nonvolatile SRAM
DS1230AB, DS1230Y
QV  PDF 64k Nonvolatile SRAM
DS1225AB, DS1225AD
QV  PDF 16k Nonvolatile SRAM
DS1220AB, DS1220AD



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)
DS3045W  NV SRAM 128K x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6
DS2030L  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6
DS2045L  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6
DS3065W  NV SRAM 1M x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6
DS2050W  NV SRAM 512K x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6
DS2065W  NV SRAM 1M x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6
DS2030AB  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 4.75 5.25
DS2030Y  NV SRAM 32K x 8 Parallel No No No No No Yes
•µP Reset
 4.5 5.5
DS2045AB  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 4.75 5.25
DS2045Y  NV SRAM 128K x 8 Parallel No No No No No Yes
•µP Reset
 4.5 5.5
DS1249W  NV SRAM 256K x 8 Parallel No Yes No No No No  -  3 3.6
DS1265W  NV SRAM 1M x 8 Parallel No Yes No No No No  -  3 3.6
DS1270W  NV SRAM 2M x 8 Parallel No Yes No No No No  -  3 3.6
DS1220AB  NV SRAM 2K x 8 Parallel No Yes No No No No  -  4.75 5.25
DS1220AD  NV SRAM 2K x 8 Parallel No Yes No No No No  -  4.5 5.5
DS1225AB  NV SRAM 8K x 8 Parallel No Yes No No No No  -  4.75 5.25
DS1225AD  NV SRAM 8K x 8 Parallel No Yes No No No No  -  4.5 5.5
DS1230AB  NV SRAM 32K x 8 Parallel No Yes Yes No No No  -  4.75 5.25
DS1230Y  NV SRAM 32K x 8 Parallel No Yes Yes No No No  -  4.5 5.5
DS1245AB  NV SRAM 128K x 8 Parallel No Yes Yes No No No  -  4.75 5.25
DS1245Y  NV SRAM 128K x 8 Parallel No Yes Yes No No No  -  4.5 5.5
DS1249AB  NV SRAM 256K x 8 Parallel No Yes No No No No  -  4.75 5.25
DS1249Y  NV SRAM 256K x 8 Parallel No Yes No No No No  -  4.5 5.5
DS1250AB  NV SRAM 512K x 8 Parallel No Yes Yes No No No  -  4.75 5.25
DS1250Y  NV SRAM 512K x 8 Parallel No Yes Yes No No No  -  4.5 5.5
DS1258AB  NV SRAM 128K x 16 Parallel No Yes No No No No  -  4.75 5.25
DS1258Y  NV SRAM 128K x 16 Parallel No Yes No No No No  -  4.5 5.5
DS1265AB  NV SRAM 1M x 8 Parallel No Yes No No No No  -  4.75 5.25
DS1265Y  NV SRAM 1M x 8 Parallel No Yes No No No No  -  4.5 5.5
DS1270AB  NV SRAM 2M x 8 Parallel No Yes No No No No  -  4.75 5.25
DS1270Y  NV SRAM 2M x 8 Parallel No Yes No No No No  -  4.5 5.5
DS1330AB  NV SRAM 32K x 8 Parallel No No Yes Yes No No  -  4.75 5.25
DS1330Y  NV SRAM 32K x 8 Parallel No No Yes Yes No No  -  4.5 5.5
DS1345AB  NV SRAM 128K x 8 Parallel No No Yes Yes No No  -  4.75 5.25
DS1345Y  NV SRAM 128K x 8 Parallel No No Yes Yes No No  -  4.5 5.5
DS1350AB  NV SRAM 512K x 8 Parallel No No Yes Yes No No  -  4.75 5.25
DS1350Y  NV SRAM 512K x 8 Parallel No No Yes Yes No No  -  4.5 5.5
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (69)

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
DS3045W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 128K 1
DS3065W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 1M 1
DS1248   -  HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 128K 0
DS1251   -  HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 512K 0
DS1254 
•Clip-On Battery+Crystal Cap
 HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 2M 0
DS1746   -  HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		NV SRAM 128K 0
DS1747   -  HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		NV SRAM 512K 0
See All Timekeeping & Real-Time Clocks (86)


         


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