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マキシム > ソリューション > ネットワークハブ、スイッチ、およびルータ

不揮発性メモリ

データシート
表示 タイトル/製品 主な特長
QV  PDF クロック付き、3.3Vシングルピース1Mb不揮発性SRAM
DS3045W

DS3045W:RTC内蔵、3.3Vシングルピース1M不揮発性SRAM
QV  PDF 3.3Vシングルピース1Mb不揮発性SRAM
DS2045L

QV  PDF 3.3Vシングルピース256kb不揮発性SRAM
DS2030L

QV  PDF クロック付き3.3Vシングルピース8Mb不揮発性SRAM
DS3065W

QV  PDF 3.3Vシングルピース8Mb不揮発性SRAM
DS2065W

QV  PDF 3.3Vシングルピース4Mb不揮発性SRAM
DS2050W

QV  PDF シングルピース256kb不揮発性SRAM
DS2030AB, DS2030Y

QV  PDF シングルピース1Mb不揮発性SRAM
DS2045AB, DS2045Y

QV  PDF 3.3V、8Mb不揮発性SRAM
DS1265W

QV  PDF 3.3V、2048k不揮発性SRAM
DS1249W

QV  PDF 3.3V、16Mb不揮発性SRAM
DS1270W

最高16Mb密度を提供する3.3V不揮発性SRAM
QV  PDF Y2K対応、不揮発性タイムキーピングRAM
DS1747, DS1747P

QV  PDF Y2K対応、不揮発性タイムキーピングRAM
DS1746, DS1746P

QV  PDF バッテリモニタ付き、4096k不揮発性SRAM
DS1350AB, DS1350Y

QV  PDF バッテリモニタ付き、1024k不揮発性SRAM
DS1345AB, DS1345Y

QV  PDF バッテリモニタ付き、256k不揮発性SRAM
DS1330AB, DS1330Y

QV  PDF 16M不揮発性SRAM
DS1270AB, DS1270Y

QV  PDF 8M不揮発性SRAM
DS1265AB, DS1265Y

QV  PDF 128k x 16不揮発性SRAM
DS1258AB, DS1258Y

QV  PDF ファントムクロック付き、2M x 8 NV SRAM
DS1254, DS1254W, DS1254Y

QV  PDF ファントムクロック付き、4096k NV SRAM
DS1251, DS1251P

QV  PDF 4096k不揮発性SRAM
DS1250AB, DS1250Y

QV  PDF 2048k不揮発性SRAM
DS1249AB, DS1249Y

QV  PDF ファントムクロック付き、1024k NV SRAM
DS1248, DS1248P

QV  PDF 1024k不揮発性SRAM
DS1245AB, DS1245Y

QV  PDF 256k不揮発性SRAM
DS1230AB, DS1230Y

QV  PDF 64k不揮発性SRAM
DS1225AB, DS1225AD

QV  PDF 16k不揮発性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) 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 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, 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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