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Maxim > 方案 > 网络集线器、交换机和路由器

非易失存储器

数据资料
显示 标题/型号 关键优势
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、1Mb非易失SRAM
DS2045L
QV  PDF 3.3V、单芯片、256kb非易失SRAM
DS2030L
QV  PDF 3.3V、单芯片、8Mb非易失SRAM，带有时钟
DS3065W
QV  PDF 3.3V、单芯片、8Mb非易失SRAM
DS2065W
QV  PDF 3.3V、单芯片、4Mb非易失SRAM
DS2050W
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 3.3V、2048k非易失SRAM
DS1249W
QV  PDF 3.3V、16Mb非易失SRAM
DS1270W

3.3V非易失SRAM，提供16Mb存储容量
QV  PDF Y2K兼容、非易失时钟RAM
DS1747, DS1747P
QV  PDF Y2K兼容、非易失时钟RAM
DS1746, DS1746P
QV  PDF 4096k非易失SRAM，带有电池监视器
DS1350AB, DS1350Y
QV  PDF 1024k非易失SRAM，带有电池监视器
DS1345AB, DS1345Y
QV  PDF 256k非易失SRAM，带有电池监控器
DS1330AB, DS1330Y
QV  PDF 16M非易失SRAM
DS1270AB, DS1270Y
QV  PDF 8M非易失SRAM
DS1265AB, DS1265Y
QV  PDF 128k x 16非易失SRAM
DS1258AB, DS1258Y
QV  PDF 2M x 8非易失SRAM，带有隐含时钟
DS1254, DS1254W, DS1254Y
QV  PDF 4096k非易失SRAM，带有隐含时钟
DS1251, DS1251P
QV  PDF 4096k非易失SRAM
DS1250AB, DS1250Y
QV  PDF 2048k非易失SRAM
DS1249AB, DS1249Y
QV  PDF 1024k非易失SRAM，带有隐含时钟
DS1248, DS1248P
QV  PDF 1024k非易失SRAM
DS1245AB, DS1245Y
QV  PDF 256k非易失SRAM
DS1230AB, DS1230Y
QV  PDF 64k非易失SRAM
DS1225AB, DS1225AD
QV  PDF 16k非易失SRAM
DS1220AB, DS1220AD



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)
DS3045W  NV SRAM 128k x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6 MOD/256 729 -40 to +85
DS2030L  NV SRAM 32k x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 729 -40 to +85
DS2045L  NV SRAM 128k x 8 Parallel No No No No No Yes
•µP Reset
 3 3.6 MOD/256 729 -40 to +85
DS3065W  NV SRAM 1M x 8 Parallel Yes No No No No Yes
•µP Reset
•Periodic Interrupt
 3 3.6 MOD/256 729 -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
DS2065W  NV SRAM 1M 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
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
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
DS1249W  NV SRAM 256k x 8 Parallel No Yes No No No No  -  3 3.6 MOD/32 707 -40 to +85
0 to +70
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
DS1270W  NV SRAM 2M x 8 Parallel No Yes No No No No  -  3 3.6 MOD/36 862 -40 to +85
0 to +70
DS1220AB  NV SRAM 2k x 8 Parallel No Yes No No No No  -  4.75 5.25 MOD/24 610 -40 to +85
0 to +70
DS1220AD  NV SRAM 2k x 8 Parallel No Yes No No No No  -  4.5 5.5 MOD/24 610 -40 to +85
0 to +70
DS1225AB  NV SRAM 8k x 8 Parallel No Yes No No No No  -  4.75 5.25 MOD/28 630 -40 to +85
0 to +70
DS1225AD  NV SRAM 8k x 8 Parallel No Yes No No No No  -  4.5 5.5 MOD/28 630 -40 to +85
0 to +70
DS1230AB  NV SRAM 32k x 8 Parallel No Yes Yes No No No  -  4.75 5.25 MOD/28
PWRCP/34 		607 -40 to +85
0 to +70
DS1230Y  NV SRAM 32k x 8 Parallel No Yes Yes No No No  -  4.5 5.5 LPM/34
MOD/28
PWRCP/34 		607 -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
DS1249AB  NV SRAM 256k x 8 Parallel No Yes No No No No  -  4.75 5.25 MOD/32 707 -40 to +85
0 to +70
DS1249Y  NV SRAM 256k x 8 Parallel No Yes No No No No  -  4.5 5.5 MOD/32 707 -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
DS1258AB  NV SRAM 128k x 16 Parallel No Yes No No No No  -  4.75 5.25 MOD/40 862 -40 to +85
0 to +70
DS1258Y  NV SRAM 128k x 16 Parallel No Yes No No No No  -  4.5 5.5 MOD/40 862 -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
DS1270AB  NV SRAM 2M x 8 Parallel No Yes No No No No  -  4.75 5.25 MOD/36 862 -40 to +85
0 to +70
DS1270Y  NV SRAM 2M x 8 Parallel No Yes No No No No  -  4.5 5.5 MOD/36 862 -40 to +85
0 to +70
DS1330AB  NV SRAM 32k x 8 Parallel No No Yes Yes No No  -  4.75 5.25 PWRCP/34 607 -40 to +85
0 to +70
DS1330Y  NV SRAM 32k x 8 Parallel No No Yes Yes No No  -  4.5 5.5 LPM/34
PWRCP/34 		607 -40 to +85
0 to +70
DS1345AB  NV SRAM 128k x 8 Parallel No No Yes Yes No No  -  4.75 5.25 PWRCP/34 607 -40 to +85
0 to +70
DS1345Y  NV SRAM 128k x 8 Parallel No No Yes Yes No No  -  4.5 5.5 LPM/34
PWRCP/34 		607 -40 to +85
0 to +70
DS1350AB  NV SRAM 512k x 8 Parallel No No Yes Yes No No  -  4.75 5.25 PWRCP/34 607 -40 to +85
0 to +70
DS1350Y  NV SRAM 512k x 8 Parallel No No Yes Yes No No  -  4.5 5.5 PWRCP/34 607 -40 to +85
0 to +70
See All Memory (EPROM, SRAM, 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 Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS3045W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 128k 1
•µP Reset
•Periodic Interrupt
 MOD/256 729 -40 to +85
DS3065W 
•Watchdog Timekeeper
 HH:MM:SS YYYY-MM-DD Bytewide 3.3 NV SRAM 1M 1
•µP Reset
•Periodic Interrupt
 MOD/256 729 -40 to +85
DS1248   -  HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 128k 0
•PowerCap Package
 MOD/32
PWRCP/34 		607 -40 to +85
DS1251   -  HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 512k 0
•PowerCap Package
 MOD/32
PWRCP/34 		607 -40 to +85
DS1254 
•Clip-On Battery+Crystal Cap
 HH:MM:SS:hh YY-MM-DD Bytewide
Phantom Clock 		3.3
5 		NV SRAM 2M 0
•PowerCap Package
 See Data Sheet  -  0 to +70
DS1746   -  HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		NV SRAM 128k 0
•Battery + Crystal
•PowerCap Package
 MOD/32
PWRCP/34 		607 0 to +70
DS1747   -  HH:MM:SS YYYY-MM-DD Bytewide 3.3
5 		NV SRAM 512k 0
•Battery + Crystal
•PowerCap Package
 MOD/32
PWRCP/34 		607 0 to +70
See All Timekeeping & Real-Time Clocks (86)


         


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