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최신정보 제품 솔루션 설계 애플리케이션 노트 지원 구매 회사소개 MEMBERS


 
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 애플리케이션 노트
 
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Maxim > 솔루션 > 네트워크 허브, 스위치 및 라우터

비휘발성 메모리

데이터 시트
디스플레이 제목 / 부품번호 주요 성능 (이점)
QV  PDF 클록이 내장된 3.3V 단일 칩 1Mb 비휘발성 SRAM
DS3045W

DS3045W 3.3V 단일 칩 1M 비휘발성 SRAM (RTC 내장)
QV  PDF 3.3V 단일 칩 1Mb 비휘발성 SRAM
DS2045L
QV  PDF 3.3V 단일 칩 256kb 비휘발성 SRAM
DS2030L
QV  PDF 클록이 내장된 3.3V 단일 칩 8Mb 비휘발성 SRAM
DS3065W
QV  PDF 3.3V 단일 칩 8Mb 비휘발성 SRAM
DS2065W
QV  PDF 3.3V 단일 칩 4Mb 비휘발성 SRAM
DS2050W
QV  PDF 단일 칩 256kb 비휘발성 SRAM
DS2030AB, DS2030Y
QV  PDF 단일 칩 1Mb 비휘발성 SRAM
DS2045AB, DS2045Y
QV  PDF 3.3V 8Mb 비휘발성 SRAM
DS1265W
QV  PDF 3.3V 2048k 비휘발성 SRAM
DS1249W
QV  PDF 3.3V 16Mb 비휘발성 SRAM
DS1270W

최대 16Mb 밀도를 제공하는 3.3V 비휘발성 SRAM
QV  PDF Y2K 규격 만족, 비휘발성 계시 RAM
DS1747, DS1747P
QV  PDF Y2K 규격 만족, 비휘발성 계시 RAM
DS1746, DS1746P
QV  PDF 배터리 모니터를 가진 4096k 비휘발성 SRAM
DS1350AB, DS1350Y
QV  PDF 배터리 모니터를 가진 1024k 비휘발성 SRAM
DS1345AB, DS1345Y
QV  PDF 배터리 모니터를 가진 256k 비휘발성 SRAM
DS1330AB, DS1330Y
QV  PDF 16M 비휘발성 SRAM
DS1270AB, DS1270Y
QV  PDF 8M 비휘발성 SRAM
DS1265AB, DS1265Y
QV  PDF 128k x 16 비휘발성 SRAM
DS1258AB, DS1258Y
QV  PDF Phantom 클록이 내장된 2M x 8 NV SRAM
DS1254, DS1254W, DS1254Y
QV  PDF Phantom 클록이 내장된 4096k NV SRAM
DS1251, DS1251P
QV  PDF 4096k 비휘발성 SRAM
DS1250AB, DS1250Y
QV  PDF 2048k 비휘발성 SRAM
DS1249AB, DS1249Y
QV  PDF Phantom 클록이 내장된 1024k NV SRAM
DS1248, DS1248P
QV  PDF 1024k 비휘발성 SRAM
DS1245AB, DS1245Y
QV  PDF 256k 비휘발성 SRAM
DS1230AB, DS1230Y
QV  PDF 64k 비휘발성 SRAM
DS1225AB, DS1225AD
QV  PDF 16k 비휘발성 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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