Datasheet > DS1744

DS1744

更新时间： 2024-02-10 16:59:13

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

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技术参数
数据手册

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DS1744 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DMA
包装说明：	, MODULE,34LEAD,1.0	针数：	34
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.27
Is Samacsys：	N	Base Number Matches：	1

DS1744 数据手册

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: -40℃ to +85℃

PowerCap Module BOARD

z UL Recognized

(Uses DS9034PCX PowerCap)

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DS1744_10	MAXIM	Y2K-Compliant, Nonvolatile Timekeeping RAMs	获取价格
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DS1744+100	MAXIM	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, 0.700 INCH, LEAD FREE, EDIP-28	获取价格
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DS1744-70	MAXIM	Y2K-Compliant, Nonvolatile Timekeeping RAMs	获取价格
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