Datasheet > DS1744W-120

DS1744W-120

更新时间： 2024-11-24 02:53:07

品牌	Logo	应用领域
ARTSCHIP		时钟双倍数据速率光电二极管外围集成电路
页数	文件大小	规格书
19页	413K
描述
Y2K-Compliant, Nonvolatile Timekeeping RAMs

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数据手册

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DS1744W-120 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)

www.artschip.com

12 3 4 5 6 7...19

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与DS1744W-120相关器件

型号	品牌	获取价格	描述	数据表
DS1744W-120+	MAXIM	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120IND	ARTSCHIP	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120IND	MAXIM	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120IND	DALLAS	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744W-120IND+	MAXIM	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744WP+120	MAXIM	获取价格	Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, LEAD FREE, POWERCAP MODULE-34
DS1744WP-120	DALLAS	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744WP-120	MAXIM	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744WP-120	ARTSCHIP	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs
DS1744WP-120+	MAXIM	获取价格	Y2K-Compliant, Nonvolatile Timekeeping RAMs