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DS1744-70IND PDF预览

DS1744-70IND

更新时间: 2024-02-13 15:12:08
品牌 Logo 应用领域
ARTSCHIP 时钟双倍数据速率外围集成电路
页数 文件大小 规格书
19页 413K
描述
Y2K-Compliant, Nonvolatile Timekeeping RAMs

DS1744-70IND 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:MODULE包装说明:DIP, DIP32,.6
针数:28Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12最大时钟频率:0.032 MHz
外部数据总线宽度:8信息访问方法:PARALLEL, DIRECT ADDRESS
中断能力:NJESD-30 代码:R-XDMA-T28
JESD-609代码:e0长度:38.865 mm
端子数量:28计时器数量:
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:DIP
封装等效代码:DIP32,.6封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
座面最大高度:10.42 mm子类别:Timer or RTC
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
最短时间:SECONDS处于峰值回流温度下的最长时间:NOT SPECIFIED
易失性:NO宽度:15.24 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1744-70IND 数据手册

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DS1744/DS1744P  
Y2K-Compliant, Nonvolatile Timekeeping RAMs  
FEATURES  
z Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail  
Control Circuit, and Lithium Energy Source  
z Clock Registers are Accessed Identically to the Static RAM.  
These Registers are Resident in the Eight Top RAM  
Locations.  
PIN CONFIGURATIONS  
TOP VIEW  
z Century Byte Register (i.e., Y2K Compliant)  
z Totally Nonvolatile with Over 10 Years of Operation in the  
Absence of Power  
z BCD-Coded Century, Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap-Year  
Compensation Valid Up to the Year 2100  
z Battery Voltage-Level Indicator Flag  
z Power-Fail Write Protection Allows for ±10% Vcc  
Power-Supply Tolerance  
z Lithium Energy Source is Electrically Disconnected to  
Retain Freshness Until Power is Applied for the First Time  
z DIP Module Only  
EDIP  
Standard JEDEC Byte-Wide 32k x 8 Static RAM Pinout  
z PowerCap ® Module Board Only  
Surface-Mountable Package for Direct  
Connection to PowerCap Containing  
Battery and Crystal  
Replaceable Battery (PowerCap)  
Power-On Reset Output  
Pin-for-Pin Compatible with Other Densities of DS174xP  
Timekeeping RAM  
z Also Available in Industrial Temperature  
Range: -40to +85℃  
PowerCap Module BOARD  
z UL Recognized  
(Uses DS9034PCX PowerCap)  
www.artschip.com  
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