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DS3030W PDF预览

DS3030W

更新时间: 2024-11-24 03:30:35
品牌 Logo 应用领域
达拉斯 - DALLAS 静态存储器时钟
页数 文件大小 规格书
18页 550K
描述
3.3V Single-Piece 256kb Nonvolatile SRAM with Clock

DS3030W 数据手册

 浏览型号DS3030W的Datasheet PDF文件第2页浏览型号DS3030W的Datasheet PDF文件第3页浏览型号DS3030W的Datasheet PDF文件第4页浏览型号DS3030W的Datasheet PDF文件第5页浏览型号DS3030W的Datasheet PDF文件第6页浏览型号DS3030W的Datasheet PDF文件第7页 
Rev 0; 6/05  
3.3V Single-Piece 256kb Nonvolatile SRAM  
with Clock  
General Description  
Features  
The DS3030W consists of a static RAM, a nonvolatile  
(NV) controller, a year 2000-compliant real-time clock  
(RTC), and an internal rechargeable manganese lithium  
(ML) battery. These components are encased in a sur-  
face-mount module with a 256-ball BGA footprint.  
Single-Piece, Reflowable, 27mm x 27mm BGA  
Package Footprint  
Internal Manganese Lithium Battery and Charger  
Integrated Real-Time Clock  
Whenever V  
is applied to the module, it recharges  
CC  
the ML battery, powers the clock and SRAM from the  
external power source, and allows the contents of the  
Unconditionally Write-Protects the Clock and  
clock registers or SRAM to be modified. When V  
is  
SRAM when V  
is Out-of-Tolerance  
CC  
CC  
powered down or out-of-tolerance, the controller write-  
protects the memory contents and powers the clock  
and SRAM from the battery. The DS3030W also con-  
tains a power-supply monitor output (RST), as well as a  
user-programmable interrupt output (IRQ/FT).  
Automatically Switches to Battery Supply when  
Power Failures Occur  
V
CC  
Reset Output can be Used as a CPU Supervisor  
Interrupt Output can be Used as a CPU Watchdog  
Applications  
Gaming  
Timer  
RAID Systems and Servers  
POS Terminals  
Industrial Temperature Range (-40°C to +85°C)  
UL Recognized  
Fire Alarms  
PLCs  
Industrial Controllers  
Data-Acquisition Systems  
Routers/Switches  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
PIN-PACKAGE  
SPEED  
SUPPLY VOLTAGE  
DS3030W-100  
256-ball 27mm x 27mm BGA Module  
100ns  
3.3V 0.3V  
Typical Operating Circuit  
CE  
CE  
WE  
OE  
CS  
WR  
RD  
CS  
DS3030W  
MICROPROCESSOR  
32k x 8  
NV SRAM  
OR DSP  
DATA  
DQ0–7  
8 BITS  
AND RTC  
15 BITS  
ADDRESS  
A0–14  
INT  
INT  
IRQ/FT  
RST  
Pin Configuration appears at end of data sheet.  
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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